Alan Roy Katritzky

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Alan Roy Katritzky

Bibliography

Alan Roy Katritzky

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Alan Roy Katritzky—Bibliography Research papers (1) 1953 (With S.G.P. Plant) Experiments on the preparation of indolocarbazoles. Part VI. Compounds from

two of the amino-1-phenylbenzotriazoles. J. Chem. Soc. 412-416. (2) 1954 The tuberculostatic activity of pyridine-acid hydrazides. J. Chem. Soc. 4038. (3) 1955 The representation of the so-called mesoionic compounds. Chem. Ind. (London), 521-522. (4) (With P.H. Carter & S.G.P. Plant) Experiments on the preparation of indolocarbazoles. Part 7. Some

derivatives of 5-amino-1-phenylbenzotriazole. J. Chem. Soc. 337-340. (5) (With R. Robinson) The reaction of indolymagnesium iodide with enol-lactones of γ-keto-acids. J.

Chem. Soc. 2481-2485. (6) An attempt to simulate the biogenesis of strychnine. Part 1. Experiments with 4-(2'-

aminoethyl)pyridine. J. Chem. Soc. 2581-2586. (7) An attempt to simulate the biogenesis of strychnine. Part 2. Preparation and transformations of 3-[2-

(4'-pyridylacetamido)ethyl]indole. J. Chem. Soc. 2586-2593. (8) 1956 The preparation and properties of pyridino(1':2'-2:3)-1-oxa-2:4-diazol-5-one. J. Chem. Soc. 2063-

2066. (9) The preparation of some substituted pyridine 1-oxides. J. Chem. Soc. 2404-2408. (10) The chemistry of the aromatic heterocyclic N-oxides. Quart. Rev. Chem. Soc. 10, 395-406. (11) 1957 The structure and reactivity of 2-aminopyridine 1-oxide. J. Chem. Soc. 191-197. (12) (With E.W. Randall & L.E. Sutton) The electric dipole moments of a series of 4-substituted pyridines

and pyridine 1-oxides. J. Chem. Soc. 1769-1775. (13) (With J.N. Gardner) N-Oxides and related compounds. Part 5. The tautomerism of 2- and 4-amino-

and -hydroxy-pyridine 1-oxide. J. Chem. Soc. 4375-4385. (14) N-Oxides and related compounds. Part 6. Some derivatives of 2-aminopyridine 1-oxide. J. Chem. Soc.

4385-4408. (15) 1958 (With A.M. Monro) N-Oxides and related compounds. Part 7. Per-acid oxidation of some conjugated

pyridines. J. Chem. Soc. 150-153. (16) (With C.M. Bax & L.E. Sutton) N-Oxides and related compounds. Part 8. The electric dipole

moments of some 4-substituted pyridine-boron chloride complexes. J. Chem. Soc. 1254-1257. (17) (With C.M. Bax & L.E. Sutton) N-Oxides and related compounds. Part 9. The electric dipole

moments of pyridine- and trimethylamine-boron trihydride and trihalide complexes. J. Chem. Soc. 1258-1263.

(18) (With A.M. Monro) N-Oxides and related compounds. Part 10. The hydrogenation of some pyridine 1-oxides. J. Chem. Soc. 1263-1266.

(19) (With A.R. Hands) N-Oxides and related compounds. Part 11. Mononitration of 2, 3- and 4-phenyl- and 2- and 4-benzyl-pyridine 1-oxide J. Chem. Soc. 1754-1762.

(20) (With A. M. Monro, J. A. T. Beard, D. P. Dearnaley & N. J. Earl) N-Oxides and related compounds. Part 12, Infrared spectra of some carbonyl compounds. J. Chem. Soc. 2182-2191.

(21) (With J.N. Gardner) N-Oxides and related compounds. Part 13. Infrared spectra of 4-substituted pyridine 1-oxides. J. Chem. Soc. 2192-2195.

(22) (With A.R. Hands) N-Oxides and related compounds. Part 14. Infrared spectra of 3-substituted pyridine 1-oxides. J. Chem. Soc. 2195-2198.

(23) (With J.N. Gardner) Infrared studies of heterocyclic compounds. Part 1. 4-Substituted pyridines. J. Chem. Soc. 2198-2202.

(24) (With A.R. Hands) Infrared studies of heterocyclic compounds. Part 2. 2-Monosubstituted pyridines. J. Chem. Soc. 2202-2204.

(25) (With A.R. Hands and R.A. Jones) Infrared studies of heterocyclic compounds. Part 3. 3-Monosubstituted pyridines. J. Chem. Soc. 3165-3167.

(26) (With R.A. Jones) Tautomeric pyridines. Part 1. Pyrid-2- and -4-thione. J. Chem. Soc. 3610-3613. (27) (With A.M. Monro & J.A.T. Beard) N-Oxides and related compounds. Part 15. Ultraviolet spectra of

2'-(carbamoyl- and ethoxycarbonyl-)vinylpyridines and their 1-oxides. J. Chem. Soc. 3721. (28) (With J.M. Lagowski) Infrared absorption of heteroaromatic and benzenoid six-membered,

monocyclic nuclei. Part 4. Monosubstituted benzenes. J. Chem. Soc. 4155-4162. (29) Infrared absorption of heteroaromatic and benzenoid six-membered monocyclic nuclei. Part 5. The

correlation of intensities of CC and CN ring stretching frequencies with charge disturbance in the ring. J. Chem. Soc. 4162-4167.

(30) 1959 (With J.M. Lagowski) Infrared absorption of heteroaromatic, five-membered monocyclic nuclei. Part 1. 2-monosubstituted furans. J. Chem. Soc. 657-660.

(31) (With R.A. Jones) Potentially tautomeric pyridines. Part 2. 2-, 3-, and 4-acetamido- and -benzamido-pyridines. J. Chem. Soc. 1317-1323.

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(32) Infrared absorption of heteroaromatic and benzenoid six-membered monocyclic nuclei. Part 6. Pyridine boron complexes. J. Chem. Soc. 2049-2051.

(33) (With P. Simmons) Infrared absorption of heteroaromatic and benzenoid six-membered monocyclic nuclei. Part 7. para-Disubstituted benzenes. J. Chem. Soc. 2051-2057.

(34) (With P. Simmons) Infrared absorption of heteroaromatic and benzenoid six-membered monocyclic nuclei. Part 8. meta-disubstituted benzenes. J. Chem. Soc. 2058-2062.

(35) (With N.A. Coats) Infrared absorption of substituents in aromatic systems. Part 1. methoxy- and ethoxy-compounds. J. Chem. Soc. 2062-2066.

(36) (With R.A. Jones) Infrared absorption of substituents in aromatic systems. Part 2. acylamino-compounds. J. Chem. Soc. 2067-2071.

(37) (With A.J. Boulton) Infrared absorption of heteroaromatic, five-membered monocyclic nuclei. Part 2. 2-Monosubstituted thiophenes. J. Chem. Soc. 3500-3502.

(38) (With R.A. Jones) Infrared absorption of heteroaromatic and benzenoid six-membered, monocyclic nuclei. Part 9. ortho-Disubstituted benzenes. J. Chem. Soc. 3670-3674.

(39) (With R.A. Jones) Infrared absorption of substitutents in heteroaromatic systems. Part 3. amino-, methylamino-, and dimethylamino compounds. J. Chem. Soc. 3674-3679.

(40) (With J.A.T. Beard & N.A. Coats) N-Oxides and related compounds. Part 16. Infrared spectra of 3-substituted pyridine 1-oxides. J. Chem. Soc. 3680-3683.

(41) (With R.A.Y. Jones & J. Michalski) The structure of tetraethyl monothiopyrophosphate and monoselenopyrophosphate. Proc. Chem. Soc. 321.

(42) The infrared spectra of heteroaromatic compounds. Quart. Rev. Chem. Soc. 13, 353-373. (43) (With J.A.T. Beard) 3-Styrylpyridine. Rec. Trav. Chim. Pays-Bas 78, 592. (44) Electron-donor properties of the pyridine 1-oxide ring. Rec. Trav. Chim. Pays-Bas 78, 995-998. (45) (With N.A. Coats) Some reactions of 1-methoxypyridinium salts and a color test for N-oxides. J. Org.

Chem. 24, 1836-1837. (46) 1960 (With R.A. Jones) Infrared absorption of substituents in heteroaromatic systems. Part 4. Ethyl N-

arylurethanes. J. Chem. Soc. 676-679. (47) (With P. Simmons) Interaction at a distance in conjugated systems. Part 1. The basicities of (amino-

and nitro-phenyl)-pyridines and -pyridine 1-oxides. J. Chem. Soc. 1511-2526. (48) (With D.J. Short & A.J. Boulton) Interaction at a distance in conjugated systems. Part 2. The

preparation and basicities of a series of 4-styryl- and 4-phenylethynyl-pyridines. J. Chem. Soc. 1516-1518.

(49) (With A.J. Boulton & D.J. Short) Interaction at a distance in conjugated systems. Part 3. Effect of aryl and heteroaryl groups on the infrared intensities of C=C and C≡C stretching bands. J. Chem. Soc. 1519-1523.

(50) (With R.A.Y. Jones & S.S. Bhatnagar) The identity of chakranine with isocorydine methochloride, and a note on strong hydrogen bonding between methoxyl and hydroxyl groups in the 4,5-positions of phenanthrene. J. Chem. Soc. 1950-1952.

(51) (With J.M. Lagowski) Infrared absorption of substitutents in aromatic systems. Part 5. Halogeno-compounds. J. Chem. Soc. 2421-2422.

(52) (With R.A. Jones) N-Oxides and related compounds. Part 17. The tautomerism of mercapto- and acylamino-pyridine 1-oxides.J. Chem. Soc. 2937-2941.

(53) (With R.A. Jones) The infrared spectra of polycyclic heteroaromatic compounds. Part 1. Monosubstituted quinolines. J. Chem. Soc. 2942-2946.

(54) (With R.A. Jones) Infrared absorption of heteroaromatic and benzenoid six-membered monocyclic nuclei. Part 10. Pyridones and pyridthiones. J. Chem. Soc. 2947-2953.

(55) (With A.J. Boulton & D.J. Short) Interaction at a distance in conjugated systems. Part 4. The ultraviolet spectra of 4-p-substituted styryl- and phenylethynyl-pyridines and their 1-oxides and benzenoid analogues. J. Chem. Soc. 2954-2957.

(56) (With R.A.Y. Jones) Infrared and nuclear magnetic resonance spectra of some cyclic phosphorus compounds. J. Chem. Soc. 4376-4379.

(57) (With R.A. Jones) Infrared absorption of substituents in aromatic systems. Part 6. Methanesulphonamides. J. Chem. Soc. 4497-4499.

(58) (With P. Simmons) Interaction at a distance in conjugated systems. Part 5. The ultraviolet spectra of phenyl-pyridines and -pyridine 1-oxides and their 3'- and 4'-nitro- and -amino-derivatives. J. Chem. Soc. 4901-4903.

(59) (With R.A.Y. Jones) The structure of pyridone cations. Proc. Chem. Soc. 313. (60) (With R.A. Jones & J.M. Lagowski) Investigation of tautomeric equilibria by proton magnetic

resonance spectroscopy. Chem. Ind. (London), 870. (61) (With R.A.Y. Jones) A correlation between the degree of ionization of phosphates and the frequency

of phosphorus magnetic resonance. J. Inorg. Nucl. Chem. 15, 193.

Alan Roy Katritzky

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(62) (With P. Simmons) The infrared spectra of benzenoid and heteroaromatic nitro-compounds. Rec. Trav. Chim. Pays-Bas 79, 361-368.

(63) (With J.M. Lagowski & J.A.T. Beard) The infrared spectra of esters. 1. Methyl, ethyl, n- and i-propyl, and n-, i- and s-butyl esters. Spectrochim. Acta 16, 954-963

(64) (With J.M. Lagowski & J.A.T. Beard) The infrared spectra of esters. 2. Acetates, propionates, n-butyrates, β-arylpropionates, acrylates, methacrylates, crotonates, β-arylacrylates, formates, chloroformates, and carbonates. Spectrochim. Acta 16, 964.

(65) 1961 (With J.M. Lagowski) N-Oxides and related compounds. Part 18. Proton nuclear magnetic resonance spectra of 4-substituted pyridines and pyridine 1-oxides. J. Chem. Soc., 43-46.

(66) (With R.A. Jones) Potentially tautomeric pyridines. Part 3. Methylsulphonamidopyridines. J. Chem. Soc., 378-384.

(67) (With G.W.H. Cheeseman & S. Øksne) The infrared spectra of polycyclic heteroaromatic compounds. Part 2. Quinoxaline-2,3-diones. J. Chem. Soc. 3983-3985.

(68) (With T.M. Moynehan, K. Schofield & R.A.Y. Jones) Quinolizidine stereochemistry. Proc. Chem. Soc. 218.

(69) (With S. Øksne) The reaction of β-keto esters with hydroxylamine. Proc. Chem. Soc. 387. (70) (With R.A.Y. Jones) The protonation of amides and their heterocyclic analogues. Chem. Ind.

(London), 722. (71) (With S. Øksne & R.K. Harris) The structure of benzofuroxans. Chem. Ind. (London), 990. (72) The ultraviolet spectra of disubstituted benzenes. Chem. Ind. (London), 1267. (73) (With G. Fodor) Mechanism of the Wallach rearrangement of chloral to dichloracetic acid. Chem.

Ind. (London), 1530. (74) (With H. Götz, E. Heilbronner & R.A. Jones) Untersuchungen in der Benztropylium-Reihe. 14.

Identifizierung der Carbonylbände in den IR-Spektren des Tropons und seiner Benzologen. Helv. Chim. Acta 44, 387-394.

(75) (With R.A. Jones) Infrared absorption of heteroaromatic and benzenoid six-membered monocyclic nuclei. 11. Pyr-4-ones and pyr-4-thiones. Spectrochim. Acta 17, 64.

(76) (With A.J. Boulton) Infrared absorption of heteroaromatic, five-membered, monocyclic nuclei. 3. Isoxazoles. Spectrochim. Acta 17, 238-247.

(77) (With S. Øksne) The infrared spectra of some simple aliphatic ketones. Spectrochim. Acta 17, 1286. (78) (With A.J. Boulton) The tautomerism of heteroaromatic compounds with five-membered rings. 1.

Isoxazol-5-ones. Tetrahedron 12, 41-50. (79) (With A.J. Boulton) The tautomerism of heteroaromatic compounds with five-membered rings. 2. 3-,

4- and 5-Amino- and –acetamido-isoxazoles. Tetrahedron 12, 51-55. (80) 1962 (With A.J. Waring) Tautomeric azines. Part 1. 5-Methyluracil and 5-bromo-1-methyluracil. J. Chem.

Soc., 1540-1544. (81) (With A.J. Waring) Tautomeric azines. Part 2. The structure of "malonyl α-amino-pyridine" and its

alkylation products: mesomeric betaines with a six-membered ring. J. Chem. Soc., 1544-1548. (82) (With A.J. Boulton) Conversion of an isoxazole into a triazole. J. Chem. Soc. 2083-2064. (83) (With R.A.Y. Jones, J.N. Murrell & N. Sheppard) Internal reference standards for proton magnetic

resonance spectroscopy in aqueous solution. J. Chem. Soc. 2576-2578. (84) (With R.M. Moynehan, K. Schofield & R.A.Y. Jones) The synthesis and stereochemistry of

quinolizidine and the monomethylquinolizidines and their salts and quaternary salts. J. Chem. Soc. 2637-2658.

(85) (With A.T. Balaban, P.T. Frangopol & C.D. Nenitzescu) Pyrylium salts obtained by the diacylation of olefines. Part 9. Formation of vinylogous pyrones by triacylation of isobutene. J. Chem. Soc. 3889-3895.

(86) (With B.J. Ridgewell) The mechanism of electrophilic hydrogen exchange in pyridine derivatives. Proc. Chem. Soc. 114.

(87) (With A.J. Boulton) A new heterocyclic rearrangement. Proc. Chem. Soc. 257. (88) Characteristic infrared absorption of heterocyclic compounds. Adv. Mol. Spectrosc. 834. (89) (With R.A.Y. Jones) Phosphorus nuclear magnetic resonance. Angew. Chem. 74, 60, Angew. Chem.

Int. Ed. 1, 32. (90) (With R.A.Y. Jones) Recent applications of nuclear magnetic resonance spectroscopy to problems of

organic chemistry. Chem. Ind. (London), 522. (91) (With A.J. Waring) Dangers in the application of proton resonance spectroscopy to tautomeric

systems. Chem. Ind. (London), 695. (92) (With H. Plieninger & H. Bauer) Uber Δ3-Pyrrolone und Alkoxypyrrole. Liebigs Ann. Chem. 654,

165. (93) (With J. Derkosch) Uber das NMR Spektrum eines Benzofuranaminocarbonsaure Esters. Monatsh.

Chem. 93, 541-543.

Alan Roy Katritzky

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(94) (With A.J. Boulton) N-Oxides and related compounds. Part 22. The rearrangement of 4-nitrobenzofuroxans to 7-nitrobenzofuroxans. Rev. Roumaine Chim. 7, 691-697.

(95) Some applications of NMR spectroscopy to organic chemistry. Rec. Chem. Prog. 23, 22. (96) (With R.G. Shepherd & A.J. Waring) Quantitative infrared analysis for sulphonate and sulphate esters

and a note on the alkylation of nucleoside analogues. Rec. Trav. Chim. Pays-Bas 81, 443-450. (97) (With S. Øksne & A.J. Boulton) The tautomerism of heteroaromatic compounds with five-membered

rings. 3. Further isoxazol-5-ones. Tetrahedron 18, 777-790. (98) 1963 (With R.K. Harris, S. Oksne, A.S. Bailey & W.G. Patterson) N-Oxides and related compounds. Part

19. Proton resonance spectra and the structure of benzofuroxan and its nitro-derivatives. J. Chem. Soc. 197-203.

(99) (With R.E. Reavill) Applications of proton resonance spectroscopy to structural problems. Part 8. 2-Pyridone cations. J. Chem. Soc. 753.

(100) (With A.J. Waring) Tautomeric azines. Part 3. The Structure of cytosine and its mono-cation. J. Chem. Soc. 3046-3051.

(101) (With B.J. Ridgewell) The mechanism of electrophilic substitution of heteroaromatic compounds. Part 1. Acid-catalyzed hydrogen exchange of lutidine and collidine. J. Chem. Soc. 3753-3764.

(102) (With G.W.H. Cheeseman & B.J. Ridgewell) The infrared spectra of polycyclic heteroaromatic compounds. Part 3. 2-, 5-, and 6-Substituted quinoxalines. J. Chem. Soc. 3764-3767.

(103) (With S. Gronowitz & R.E. Reavill) Infrared absorption of heteroaromatic, five-membered, monocyclic nuclei. Part 4. 3-Monosubstituted thiophenes. J. Chem. Soc. 3881.

(104) (With B.J. Ridgewell) The mechanism of electrophilic substitution of heteroaromatic compounds. Part 2. Nitration of bis-1,2,4,6-tetramethylpyridinium sulphate. J. Chem. Soc. 3882.

(105) (With G.R. Bedford & H.M. Wuest) N-Oxides and related compounds. Part 23. Some pyridoxine analogues. J. Chem. Soc. 4600.

(106) (With J.M. Lagowski) Prototropic tautomerism of heteroaromatic compounds: 1. General discussion and methods of study. Adv. Heterocycl. Chem. 1, 312-340.

(107) (With J.M. Lagowski) Prototropic tautomerism of heteroaromatic compounds: 2. Six-membered rings. Adv. Heterocycl. Chem. 1, 341-422.

(108) (With J.M. Lagowski) Prototropic tautomerism of heteroaromatic compounds: 3. Five-membered rings and one hetero atom. Adv. Heterocycl. Chem. 2, 1-26.

(109) (With J.M. Lagowski) Prototropic tautomerism of heteroaromatic compounds: 4. Five-membered rings with two or more hetero atoms. Adv. Heterocycl. Chem. 2, 27-81.

(110) (With A.J. Boulton & P.B. Ghosh) Heterocyclic rearrangements. Part 3. A general rearrangement of heterocycles and novel syntheses of the benzotriazole, benzofurazan, and anthranil systems. Angew. Chem. 75, 816-817; Angew. Chem. Int. Ed. 2, 693.

(111) (With A.P. Ambler) Infrared spectra. Physical Meth. Heterocycl. Chem. 2, 161- (112) (With R.A.Y. Jones) Recent applications of NMR spectroscopy to problems of organic chemistry. 2.

Chem. Ind. (London), 99. (113) Chemistry at the University of East Anglia. Chem. Ind. (London), 1100. (114) Printing priorities: science or sensationalism? Chem. Ind. (London), 1944. (115) Some new approaches to the teaching of chemistry at a new university. School Science Review, 261. (116) (With G.R. Bedford) Degradation products from elastin. Nature 200, 651. (117) (With K.L. Wierzchowski & D. Shugar) Primary photoproduct of 2,6-dimethyl-4-aminopyrimidine. J.

Am. Chem. Soc. 85, 827-828. (118) (With M. Avram & G.R. Bedford) Applications of proton resonance spectroscopy to structural

problems. Part 9. 3,6-Dicarbomethoxydihydropyridazine. Rec. Trav. Chim. Pays-Bas 82, 1053-1054. (119) (With A.J. Waring & K. Yates) The Hammett acidity function and its non-applicability to amides.

Tetrahedron 19, 465-469. (120) Einige Anwendungen der Kernresonanz Spektroskopie in der Organischen Chemie. Zeitschr. Chem.

3, 81. (121) 1964 (With H. Bauer & G.R. Bedford) N-Oxides and related compounds. Part 24. The structure of ortho-

bisazo-compounds. J. Chem. Soc. 751-755. (122) (With A.J. Waring) Application of proton resonance spectroscopy to structural problems. Part 11. The

structure of maleic hydrazide. J. Chem. Soc. 1523. (123) (With A.T. Balaban & G.R. Bedford) The nuclear magnetic resonance of heterocyclic systems. Part 1.

Pyrylium salts. J. Chem. Soc. 1646-1649. (124) (With H. Bauer) N-Oxides and related compounds. Part 25. The so-called "dihydrobenzo-1,2,3,4-

tetrazines". J. Chem. Soc. 4394-4395. (125) (With J.P. Baker & T.M. Moynehan) The self-quaternization of 1-(4'-iodobutyl)-4-pyridone. J. Chem.

Soc. (S2) 6138-6141.

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(126) (With R.J. Bishop, L.E. Sutton, D. Dineen & R.A.Y. Jones) Conformational analysis of heterocycles: steric requirements of the piperidine lone-pair. Proc. Chem. Soc. 257.

(127) (With K. Brown & A.J. Waring) Conformational analysis of heterocycles: steric requirements of solvated and free lone-pairs. Proc. Chem. Soc. 257.

(128) (With B.J. Ridgewell & A.M. White) Mechanism of electrophilic substitution of heteroaromatic compounds. Part 3. Acid-catalysed hydrogen exchange of pyridine 1-oxides. Chem. Ind. (London), 1576.

(129) (With B. Wallis) Nuclear magnetic resonance spectra of 2:3,6:7-dibenzobicyclo(3.2.1)octa-2,6-diene. Chem. Ind. (London), 2025.

(130) (With R.A. Jones) Potentially tautomeric pyridines. 4. Ethyl 2-, 3-, and 4-pyridylacetate. Austral. J. Chem., 17, 455-460

(131) (With R.E. Reavill) Proton resonance spectra of 3-cyanoacetylacetone and its nitrogen analogues. Bull. Acad. Pol. Sci. 12, 359.

(132) (With K. Yates & J.B. Stevens) The ionization behavior of amides in concentrated sulphuric acids. 1. a new acidity function based on a set of primary amide indicators. Can. J. Chem. 42, 1957-1970.

(133) NMR: Some applications to organic chemistry. Laboratory Practice, 943. (134) (With G.R. Bedford, H. Dorn & G. Hilgetag) Applications of proton resonance spectroscopy to

structural problems. Part 10. Disulphonyl derivatives of 2-aminopyridine. Rec. Trav. Chim. Pays-Bas 83, 189-192.

(135) (With R.E. Reavill) Applications of proton resonance spectroscopy to structural problems. Part 17. Nuclear magnetic resonance evidence for partial bond fixation in biphenylene. Rec. Trav. Chim. Pays-Bas 83, 1230-1232.

(136) (With B.J. Ridgewell) Infrared absorption of substituents in heteroaromatic systems. Part 8. A diagnostic test for the orientation of methoxy and nitro groups in azanaphthalene systems. Spectrochim. Acta 20, 589-591.

(137) (With W.L.F. Armarego & B.J. Ridgewell) The infra-red spectra of polycyclic heteroaromatic compounds. 4. Monosubstituted quinazolines. Spectrochim. Acta 20, 593-596.

(138) (With G. Fodor & O. Fuchs) The structure of boroxazolidines related to threo-l-phenyl-2-aminopropane-1,3-diol. Tetrahedron 20, 293-298.

(139) (With F.W. Maine) The tautomerism of heteroaromatic compounds with five-membered rings. 4. 1-Substituted pyrazolin-5-ones. Tetrahedron 20, 299-314.

(140) (With F.W. Maine) The tautomerism of heteroaromatic compounds with five-membered rings. 5. 1-Substituted 3-hydroxypyrazoles. Tetrahedron 20, 315-322.

(141) (With A.J. Boulton, A. Majid Hamid & S. Øksne) The tautomerism of heteroaromatic compounds with five-membered rings. 7. Isoxazolin-3-ones – 3-hydroxyisoxazoles. Tetrahedron 20, 2835-2840.

(142) (With K. Brown) Immonium: a para-directing group with a positive pole adjacent to the ring. Tetrahedron Lett. 5, 803-804.

(143) (With S.F. Mason & N. Sheppard) Teaching plan for the School of Chemical Sciences, the University of East Anglia. Education in Chemistry 1, 202.

(144) 1965 (With H. Dorn, G.R. Bedford & G. Hilgetag) Applications of proton resonance spectroscopy to structural problems. Part 16. The structure of dialkanesulphonyl derivatives of 2-aminothiazole. J. Chem. Soc. 1219-1224.

(145) (With S. Golding & H.Z. Kucharska) Potentially tautomeric pyridines. Part 5. Phenyl 2-, 3-, and 4-picolyl sulphones. J. Chem. Soc.3090-3092.

(146) (With H.Z. Kucharska & J.D. Rowe) Potentially tautomeric pyridines. Part 6. 2-, 3-, and 4- phenylacylpyridines. J. Chem. Soc.3093-3096.

(147) (With R.E. Reavill) Applications of proton resonance spectroscopy to structural problems. Part 21. The cations of thiopyridones and aminopyridines. J. Chem. Soc. 3825-3827.

(148) (With J.F. Cavalla, M.J. Sewell & G.R. Bedford) Applications of proton resonance spectroscopy to structural problems. Part 22. 3-Amino-4-cyanopyrrolines and their transformation products. J. Chem. Soc. 4546-4549.

(149) (With N. Bacon, A.J. Boulton, R.T.C. Brownlee & R.D. Topsom) Infrared absorption of substituents in heterocyclic systems. Part 9. Amine-imine tautomerism by infrared spectroscopy. J. Chem. Soc. 5230-5232

(150) Applications of proton resonance spectroscopy. Part 18. Two dimers of cyclohexanethione. J. Chem. Soc. 5953-5957.

(151) (With A.J. Boulton & A.C. Gripper-Gray) Heterocyclic rearrangements. Part 4. Furoxano- and furazano-benzofuroxan. J. Chem. Soc. 5958-5964.

(152) (With F.J. Swinbourne) Applications of proton resonance specroscopy to structural problems. Part 23. Determination of Hammett σ-constants for heterocycles. J. Chem. Soc. 6707-6709.

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(153) (With C.D. Johnson, R.A.Y. Jones, C.R. Palmer, K. Schofield & R.J. Wells) A re-examination of the stereochemistry of quinolizidine and the methylquinolizidines through measurement of their rates of quaternization and those of the hexahydrojulolidines. J. Chem. Soc. 6797-6806.

(154) (With J.H. Bishop, J.M.E. Goldschmidt & R.A. Shaw) Compounds of silicon. Part 5. Octaisopropylsilsesquioxane, its bromination, and 1H nuclear magnetic resonance spectroscopy. J. Chem. Soc. 7325-7328.

(155) (With A.M. Monro, G.W.H. Potter, R.E. Reavill & M.J. Sewell) Conformations and eliminations in 1,4-benzodioxans and the preparation of a 1,4-benzodioxin. Chem. Commun. (London), 58-59.

(156) (With R.T.C. Brownlee & R.D. Topsom) Direct infrared determination of the resonance interaction in monosubstituted benzenes. J. Am. Chem. Soc. 87, 3260-3261.

(157) (With S. Golding) Heterocycloniumyl zwitterions. Part 1. The alkali-catalyzed cleavage of 2-hydroxymethyl- and 2-formyl-pyridinium cations. Can. J. Chem. 43, 1250-1252.

(158) "Call a spade a spade". (Book review) Chem. Ind. (London), 331. (159) To call things by their real names. Chem. Ind. (London), 722. (160) (With P. Bellingham & C.D. Johnson) Kinetics of acid-catalysed hydrogen exchange of 4-pyridone.

Chem. Ind. (London), 1384. (161) (With O. Červinka & F.J. Swinbourne) Applications of proton resonance spectroscopy. Part 19.

Reactions of enamines. 10. The structure of 2-substituted 1-methyl-Δ1-pyrrolinium and –Δ1-piperideinium salts. Coll. Czech. Chem. Commun. 30, 1736-1738.

(162) (With J. Augstein, S.M. Green & A.M. Monro) The synthesis, proof of structure, and biological activity of some monosubstituted aminoguanidines. J. Med. Chem. 8, 395-397.

(163) Teaching heterocyclic chemistry. J. Chem. Educ. 42, 636. (164) (With C.D. Johnson, B.J. Ridgewell, N. Shakir & A.M. White) The applicability of Hammett acidity

functions to substituted pyridines and pyridine 1-oxides. Tetrahedron 21, 1055-1059. (165) (With B. Wallis, R.T.C. Brownlee & R.D. Topsom) The tautomerism of heteroaromatic compounds

with five-membered rings. 8. Hydroxyoxadiazoles or oxadiazolones. Tetrahedron 21, 1681-1692. (166) (With F.W. Maine & S. Golding) The tautomerism of heteroatomatic compounds with five-membered

rings. 9. N-Unsubstituted pyrazolin-3(5)-ones. Tetrahedron 21, 1693-1699. (167) (With R. Eisenthal) N-Oxides and related compounds. 26. The ring-opening of N-methoxpyridinium

perchlorate by hydroxide ion. Tetrahedron 21, 2205-2213. (168) 1966 (With F. Swinbourne & B. Ternai) N-Oxides and related compounds. Part 27. A proton magnetic

resonance investigation of the interaction of pyridines with some Lewis acids. J. Chem. Soc. (B), 235-237.

(169) (With R.E. Reavill & F.J. Swinbourne) Proton resonance spectra of heterocycles. Part 2. Quinazoline and monosubstituted quinazolines. J. Chem. Soc. (B), 351-354.

(170) (With J.L. Imbach & R.A. Kolinski) The conformational analysis of heterocyclic systems. Part 8. Kinetics of quaternization of N-alkylpiperidines and N-alkylpiperazines in acetonitrile. J. Chem. Soc. (B), 556-562.

(171) (With F.D. Popp and J.D. Rowe) Potentially tautomeric pyridines. Part 7. Glutaconimide and its methyl derivatives. J. Chem. Soc. (B), 562-564.

(172) (With F.D. Popp & A.J. Waring) Potentially tautomeric azines. Part 4. The fine structure of 4,6-dihydroxypyrimidines. J. Chem. Soc. (B), 565-568.

(173) (With B. Ternai) Tautomeric pyridines. Part 8. Structure and spectra of picolyldiphenylphosphine oxides. J. Chem. Soc. (B), 631-632.

(174) (With R.T.C. Brownlee & R.D. Topsom) Infrared absorption of substituents in heterocyclic systems. Part 10. Amine-imine tautomerism by infrared spectroscopy. Further examples. J. Chem. Soc. (B), 726-727.

(175) (With A.J. Boulton, G.M. Glover, M. Hely-Hutchinson, D.J. Short & L.E. Sutton) Interaction at a distance in conjugated systems. Part 6. The electric dipole moments of p-substituted stilbenes, tolans, and their heterocyclic analogues. J. Chem. Soc. (B), 822-826

(176) (With A.J. Boulton & A.C. Gripper Gray) Heterocyclic rearrangements. Part 8. Attempted intramolecular oxygen transfer in chlorofurazanobenzofuroxans. J. Chem. Soc. (B), 909-911.

(177) (With A.J. Boulton & P.B. Ghosh) Heterocyclic rearrangements. Part 5. Rearrangement of 4-arylazo- and 4-nitroso-benzofuroxans: new syntheses of the benzotriazole and benzofurazan ring systems. J. Chem. Soc. (B), 1004-1011.

(178) (With A.J. Boulton & P.B. Ghosh) Heterocyclic rearrangements. Part 6. Rearrangements of 4-acyl- and 4-iminoalkyl-benzofuroxans: new syntheses of the anthranil and indazole ring systems. J. Chem. Soc. (B), 1011-1015.

(179) (With R.J. Bishop, G. Fodor, F. Soti, L.E. Sutton & F.J. Swinbourne) The conformations of tropanes. J. Chem. Soc. (C), 74-77.

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(180) (With S. Musierowicz) The reaction of diazomethane with 2,2'-azopyridines. J. Chem. Soc. (C), 78-79.

(181) (With A.J. Boulton & P.B. Ghosh) N-Oxides and related compounds. Part 28. 5-Amino- and 5-hydroxy-benzofuroxans. J. Chem. Soc. (C), 971-976.

(182) (With P.J. Brignell & P.L. Russell) The conformational equilibria of 3-methyl- and 3,5-dimethyl-1-t-butyl-4-piperidone: further evidence for steric requirements of lone pairs. Chem. Commun. 723.

(183) (With A.J. Boulton & A.C. Gripper Gray) Alkylations of benzofuroxan with concurrent rearrangements to 1-hydroxybenzimidazole 3-oxides. Chem. Commun. 741.

(184) (With R.T.C. Brownlee & R.D. Topsom) Distortions of the π-electron system in monosubstituted benzenes. J. Am. Chem. Soc. 88, 1413-1419.

(185) (With H.Z. Kucharska, M.J. Tucker & H.M. Wuest) Arylazo derivatives of pyridoxine. J. Med. Chem. 9, 620-622.

(186) (With S.M. Weeds) The literature of heterocyclic chemistry. Advan. Heterocycl. Chem. 7, 226-299. (187) (With J.D. Rowe) Infrared absorption of heteroaromatic and benzenoid six-membered monocyclic

nuclei. 12. Pyridinium anhydrobases and phenacyl and phenylsulphonylmethyl-pyridines. Spectrochim. Acta 22, 381.

(188) (With M.J. Sewell, R.D. Topsom, A.M. Monro & G.W.H. Potter) 1,4-Benzodioxins. 1. Preparation of 1,4-benzodioxin and its 2-methyl and 2-phenyl derivatives. Tetrahedron, 22, 931-939.

(189) (With H.B. Schröter, D. Neumann & F.J. Swinbourne) Applications of proton resonance spectroscopy. Part 25. Withasomnine. A pyrazole alkaloid from Withania somnifera Dun. Tetrahedron 22, 2895-2897.

(190) (With M. Ionescu & B. Ternai) N-Oxides and related compounds. Part 29. The tautomerism of 9-hydroxy-and 9-mercapto-acridine 10-oxide. Tetrahedron 22, 3227-3231.

(191) (With A.A. Gordon & F. D. Popp) The tautomerism of heteroaromatic compounds with five-membered rings. Part 10. 1-Phenyl-1,2,4-triazolidine-3,5-dione. Tetrahedron 22 (Suppl. 7), 213-217.

(192) (With B. Ternai & G.J.T. Tiddy) A correlation between substituent effects on chemical shifts in conjugated systems and coupling constants. Tetrahedron Lett. 7, 1713-1716.

(193) (With A.J. Boulton & P.B. Ghosh) A new benzofurazan synthesis. Tetrahedron Lett. 7, 2887-2888. (194) 1967 (With R.K. Harris, S. Musierowicz & B. Ternai) Phosphorus and proton magnetic resonance

spectroscopy of esters of pyrophosphoric and hypophosphoric acids. J. Chem. Soc. (A), 37-40. (195) (With K. Brown & A.J. Waring) Conformational analysis of saturated heterocycles. Part 10. Steric

requirements of the nitrogen lone pair from aza-cis-decalin equilibria. J. Chem. Soc. (B), 487-492. (196) (With R.J. Bishop, L.E. Sutton, D. Dineen, R.A.Y. Jones & R.J. Wyatt) Conformational analysis of

saturated heterocycles. Part 11. The conformation of 1-methylpiperidines from electric dipole moment studies J. Chem. Soc. (B), 493-498.

(197) (With J.L. Imbach, R.A.Y.Jones, R.J. Wyatt) Conformational analysis of saturated heterocycles. Part 12. Conformations of 1-alkyl-4-t-butylpiperazines from electric dipole moment studies. J. Chem. Soc. (B), 499-501.

(198) (With H. Dorn & M. Nesbit) Conformational analysis of saturated heterocycles. Part 13. The orientation of quaternized piperidines by the lactone formation method. J. Chem. Soc. (B), 501-503.

(199) (With J.D. Rowe & S.K. Roy) Potentially tautomeric pyridines. Part 9. The effect of chlorine substituents on pyridine - hydroxypyridine tautomerism. J. Chem. Soc. (B), 758-761.

(200) (With A.J. Boulton & A.C. Gripper Gray) Heterocyclic rearrangements. Part 8. Attempted intramolecular oxygen-transfer in chlorofurazanobenzofuroxans. J. Chem. Soc. (B), 909-911.

(201) (With A.J. Boulton & A.C. Gripper Gray) Heterocyclic rearrangements. Part 9. The alkylation of benzofuroxans with formation of l-hydroxybenzimidazole 3-oxides. J. Chem. Soc. (B), 911-914.

(202) (With A.J. Boulton, M.J. Sewell & B. Wallis) N-Oxides and related compounds. Part 31. The nuclear magnetic resonance spectra and tautomerism of some substituted benzofuroxans. J. Chem. Soc. (B), 914-919.

(203) (With C.D. Johnson, B.J. Ridgewell & M. Viney) Electrophilic substitution of heteroaromatic compounds. Part 6. The nitration of pyridines in the 3-position as free bases and as conjugate acids. J. Chem. Soc. (B), 1204-1210.

(204) (With C.D. Johnson & M. Viney) Electrophilic substitution of heteroaromatic compounds. Part 7. The nitration of pyridines in the α-position and rules for the nitration of substituted pyridines. J. Chem. Soc. (B), 1211-1213.

(205) (With C.D. Johnson, N. Shakir & M. Viney) Electrophilic substitution of heteroaromatic compounds. Part 8. The α-, β-, and γ-nitration of pyridine 1-oxides. J. Chem. Soc. (B), 1213-1219.

(206) (With G.P. Bean, C.D. Johnson, B.J. Ridgewell & A.M. White) Electrophilic substitution of heteroaromatic compounds. Part 9. General form of rate profiles for acid-catalysed hydrogen exchange as illustrated by substituted amino-pyridines. J. Chem. Soc. (B), 1219-1222.

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(207) (With G.P. Bean, P.J. Brignell, C.D. Johnson, B.J. Ridgewell, H.O. Tarhan & A.M. White) Electrophilic substitution of heteroaromatic compounds. Part 10. Acid-catalysed hydrogen exchange at α-, β-, and γ-positions of substituted pyridine 1-oxides. J. Chem. Soc. (B), 1222-1226.

(208) (With P. Bellingham & C.D. Johnson) Electrophilic substitution of heteroaromatic compounds. Part 11. Acid-catalysed hydrogen exchange of α-; and γ-pyridones and γ-quinolone. J. Chem. Soc. (B), 1226-1233.

(209) (With P.J. Brignell, C.D. Johnson, N. Shakir, H.O. Tarhan & G. Walker) Acidity functions and the protonation of weak bases. Part 5. Second protonation of diacid bases. J. Chem. Soc. (B), 1233-1235.

(210) (With C.D. Johnson & N. Shakir) Acidity functions and the protonation of weak bases. Part 6. The amide acidity function: its extension and application to N-oxides. J. Chem. Soc. (B), 1235-1237.

(211) (With P.J. Brignell, R.E. Reavill, G.W.H. Cheeseman & A.A. Sarsfield) Proton resonance spectra of heterocycles. Part 4. Quinoxaline and monosubstituted quinoxalines. J. Chem. Soc. (B), 1241-1243.

(212) (With E. Lunt, B. Ternai & G.J.T. Tiddy) Proton resonance spectra of heterocyclic compounds. Part 5. 4(1H)-Cinnolone and substituted 4-cinnolones. J. Chem. Soc. (B), 1243-1248.

(213) (With D. Cohen, I.T. Miller, H. Heaney, P.R. Constantine, B.M. Semple & M.J. Sewell) Applications of proton resonance spectroscopy. Part 27. Phenanthrene chemistry Part V. Configuration and conformation of some 9,9',10,10'-tetrahydro-9,9'-biphenanthryls. J. Chem. Soc. (B), 1248-1250.

(214) (With J.S.G. Cox, C. Fitzmaurice & G.J.T. Tiddy) Applications of proton resonance spectroscopy. Part 28. Orientation of 1-substituted 4- and 5-nitroimidazoles. J. Chem. Soc. (B), 1251-1252.

(215) (With A. J. Boulton & A. Majid Hamid) Heterocyclic rearrangements. Part 10. A generalised monocyclic rearrangement. J. Chem. Soc. (C), 2005-2007.

(216) (With P. Bellingham & C.D. Johnson) Acid catalysed hydrogen exchange of 2,6-dimethyl-4-pyridone, -pyrone, and -thiapyrone: relative effects of heterocyclic sulphur, oxygen, and nitrogen on electrophilic substitution rates. J.C.S. Chem. Commun. 1047-1048.

(217) (With N. Bacon & A.J. Boulton) Structure of "hexanitrosobenzene" from vibrational spectroscopy. Trans. Faraday Soc. 63, 833-835.

(218) (With C.D. Johnson, G.P. Bean, P.J. Brignell, B.J. Ridgewell, N. Shakir, H.O. Tarhan, M. Viney & A.M. White) Electrophilic substitution of heteroaromatic compounds with six-membered rings. Angew. Chem. 79, 629; Angew. Chem. Int. Ed. 6, 608.

(219) (With M. Kingsland, M.N. Rudd, M.J. Sewell & R.D. Topsom) 1,4-Benzodioxins. Part 2. Investigation of possible aromaticity by reactivity and proton magnetic resonance spectroscopy. Austral. J. Chem. 20, 1773.

(220) Stereochimie des composes hétérocycliques saturés, Bull. Soc. Chim. France, 3585. (221) The future prospects for infrared spectroscopy. Chem. Ind. (London), 601. (222) The Sadtler standard grating spectra. Chem. Ind. (London), 2140 (223) (With J. Augstein, S.M. Green, A.M. Monro, T.I. Wrigley & G.J.T. Tiddy) Aryloxyalkyl-

aminoguanidines: their synthesis and biological properties. J. Med. Chem. 10, 391-400. (224) The steric requirements of sp2 and sp3 hybridised lone electron pairs in heterocycles. Proceedings of

the International Congress of Heterocyclic Chemistry. (225) (With R. Eisenthal & E. Lunt) N-Oxides and related compounds. Part 30. The reaction of the

isoxazolinopyridinium cation with amines. Tetrahedron 23, 2775-2788 (226) (With A.T. Balaban & B.M. Semple) Applications of proton resonance spectroscopy. Part 26. Some

novel t-butylation reactions in the conversion of phenyl-substituted 1,5-diketones to pyrylium salts. Tetrahedron 23, 4001-4008.

(227) (With E. Hoft & M.R. Nesbit) Applications of proton resonance spectroscopy. Part 29. The autoxidation of alkylpyrroles. Tetrahedron Lett. 8, 3041-3044.

(228) 1968 (With J.M. Bobbitt, P.D. Kennewell & M. Snarey) Steric requirements of sp2-hybridised lone electron pairs. Part 1. The conformations of 2-(pyridylmethylene)indan-1-ones. J. Chem. Soc. (B), 550-554.

(229) (With P.D. Kennewell & M. Snarey) Steric requirements of sp2-hybridised lone electron pairs. Part 2. Conformation of 2-picolylidene-3-coumaranones. J. Chem. Soc. (B), 554-556.

(230) (With A.A. Gordon & S.K. Roy) Potentially tautomeric pyridines. Part 10. Effects of substituents on pyridine - hydroxypyridine equilibria and pyridone basicity. J. Chem. Soc. (B), 556-561.

(231) (With R. Bodalski) N-Oxides and related compounds. Part 33. The mechanism of the acetic anhydride rearrangement of 2-alkylpyridine 1-oxides. J. Chem. Soc. (B), 831-838.

(232) (With M. Kingsland) The kinetics and mechanism of the electrophilic substitution of heteroaromatic compounds. Part 13. The mononitration of 2-phenylpyridine and its N-oxide. J. Chem. Soc. (B), 862-864.

(233) (With G.P. Bean) The kinetics and mechanism of the electrophilic substitution of heteroaromatic compounds. Part 14. Rates of acid-catalysed hydrogen exchange of para-substituted anilines and heterocyclic analogues. J. Chem. Soc. (B), 864-866.

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(234) (With P. Bellingham & C.D. Johnson) The kinetics and mechanism of electophilic substitution of heteroaromatic compounds. Part 15. Hydrogen exchange of 3,5-dimethylphenol and heterocyclic analogues. J. Chem. Soc. (B), 866-873.

(235) (With I. Pojarlieff) The kinetics and mechanism of electrophilic substitution of heteroaromatic compounds. Part 16. Acid-catalysed hydrogen exchange of some pyridazine derivatives. J. Chem. Soc. (B), 873-877.

(236) (With P.J. Brignell & P.L. Russell) The conformational analysis of saturated heterocycles. Part 14. 1-t-Butyl-3-methyl- and 1-t-butyl-3,5-dimethyl-4-piperidone and the corresponding 3-ethyl and 3,5-diethyl derivatives. J. Chem. Soc. (B), 1459-1462.

(237) (With P.J. Brignell & K. Brown) The conformational analysis of saturated heterocycles. Part 16. A simple quantitative approach to intramolecular interactions. J. Chem. Soc. (B), 1462-1467.

(238) (With M.J. Cook & H. Dorn) The conformational analysis of saturated heterocycles. Part 17. Sulphonium salt formation by thiacyclohexanes. J. Chem. Soc. (B), 1467-1470.

(239) (With R.W. Baldock) The conformational analysis of saturated heterocycles. Part 18. The orientation of NH-groups in piperidines and morpholines from infrared spectroscopy. J. Chem. Soc. (B), 1470-1477.

(240) (With P.J. Brignell & H.O. Tarhan) The kinetics and mechanism of electrophilic substitution of heteroaromatic compounds. Part 17. The nitration of pyridones. J. Chem. Soc. (B), 1477-1484.

(241) (With M. Kingsland & O.S. Tee) The kinetics and mechanism of electrophilic substitution of heteroaromatic compounds. Part 19. Acid-catalysed hydrogen exchange of some pyrimidine derivatives. J. Chem. Soc. (B), 1484-1491.

(242) (With A.J. Boulton & I.J. Fletcher) Heterocyclic rearrangements. Part 11. Trapping a nitroso-compound formed by reduction of a nitro-compound with triethyl phosphite. Chem. Commun. 62a.

(243) (With M. Kingsland & O.S. Tee) Covalent hydration in simple pyrimidines: evidence from kinetics of hydrogen exchange. J. Chem. Soc. Chem. Commun. 289-290.

(244) (With, R.T.C. Brownlee, R.E.J. Hutchinson, T.T. Tidwell & R.D. Topsom) Infrared intensities as a quantitative measure of intramolecular interactions. Part 3. Further monosubstituted benzenes and monosubstituted durenes. J. Am. Chem. Soc. 90, 1757-1767.

(245) (With P.J.Q. English, T.T. Tidwell & R.D. Topsom) Infrared intensities as a quantitative measure of intramolecular interactions. Part 4. para-disubstituted benzenes. The ν16 band near 1600 cm-1. J. Am. Chem. Soc. 90, 1767-1774.

(246) (With A.T. Balaban & P.J. Halls) Stable radicals from 1-hydroxybenzimidazole 3-oxides. Chem. Ind. (London), 651.

(247) (With G.P. Bean & A. Marzec) The kinetics and mechanism of electrophilic substitution. Part 18. Rates of acid-catalysed hydrogen exchange of 2-quinolone. Bull. Acad. Pol. Sci. 453.

(248) (With B. Ternai) Proton resonance spectra of heterocycles. 6. Chromanones, thiochromanones, and 2,3-dihydro-4-quinolones. J. Heterocyclic Chem. 5, 745-747.

(249) Cinetica e meccanismo di sostituzione elettrofila di composti eteroaromatici. Ric. Sci. 53, 7. (250) Requisiti sterici del paio solitario e analisi conformazionale di composti eterociclici saturi. Ric. Sci.

53, 22. (251) Tautomeria eteroaromatica. Ric. Sci. 53, 36. (252) (With R. Bodalski) N-Oxides and related compounds. Part 32. New rearrangement types in reactions

of acetic anhydride with 2-alkylpyridine 1-oxides.Tetrahedron Lett. 9, 257-260. (253) (With R.W. Baldock) The conformational equilibria of piperidine and morpholine from infrared

spectra. Tetrahedron Lett. 9, 1159-1162. (254) (With A.A. Gordon) Potentially tautomeric pyridines. Part 11. A quantitative relation between

heteroaromatic tautomeric equilibrium constants and solvent polarity. Tetrahedron Lett. 9, 2767-2770.

(255) (With R.T.C. Brownlee, M.V. Sinnott, M. Szafran & L.N. Yakhontov) Calculation of infrared intensities of substituted benzenes by the HMO and CNDO methods. Tetrahedron Lett. 9, 5773-5776.

(256) 1969 (With M.J. Cook, F.C. Pennington & B.M. Semple) Applications of proton resonance spectroscopy to problems of organic chemistry. Part 30. 1,2-Dihydronaphthalenes. J. Chem. Soc. (B), 523-526.

(257) (With A.J. Boulton, P. Hadjimihalakis & A. Majid Hamid) N-Oxides and related compounds. Part 36. Isomerism in the oxadiazole series. J. Chem. Soc. (C), 1901-1903.

(258) (With R.A.Y. Jones & A.C. Richards) The conformational equilibrium of 1,2,4,5-tetramethylhexahydro-1,2,4,5-tetrazine. J. Chem. Soc. (D), Chem. Commun. 708-709.

(259) (With R.D. Topsom, M.V. Sinnott & T.T. Tidwell) Infrared intensities as a quantitative measure of intramolecular interactions. 5. Ortho- and meta-disubstituted benzenes. The ν16 band near 1600 cm-1. J. Am. Chem. Soc. 91, 628-636.

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(260) (With T.T. Tidwell, C.R. Palmer, F.J. Swinbourne & R.D. Topsom) Infrared intensities as a quantitative measure of intramolecular interactions. 6. Pyridine, pyridine 1-oxide, and monosubstituted derivatives. The ν16 band near 1600 cm-1. J. Am. Chem. Soc. 91, 636-641.

(261) (With B.J. Hutchinson & K.K. Andersen) The conformational analysis of saturated heterocycles. 20. The stereochemistry of base-catalysed hydrogen-deuterium exchange of methylene protons alpha to a sulfinyl group. J. Am. Chem. Soc. 91, 3839-3844.

(262) (With J.M. Angelelli, M.V. Sinnott, R. Pinzelli & R.D. Topsom) Resonance interactions in substituted ethylenes. J. Am. Chem. Soc. 91, 4013-4014.

(263) (With J.M. Angelelli, R.T.C. Brownlee, R.D. Topsom & L.N. Yakhontov) Infrared intensities as a quantitative measure of intramolecular interactions. 9. Aryl derivatives of metalloids. J. Am. Chem. Soc. 91, 4500-4504.

(264) (With C.D. Johnson & S.A. Shapiro) The temperature variation of the H0 acidity function in aqueous sulfuric acid solution. J. Am. Chem. Soc. 91, 6654-6662.

(265) (With R.T.C. Brownlee, P.J.Q. English & R.D. Topsom) Infrared intensities as a quantitative measure of intramolecular interaction. 7. The ν13 band near 1500 cm-1 in monosubstituted and para-disubstituted benzenes. J. Phys. Chem. 73, 557-564.

(266) Heterocyclic chemistry - rational science or maverick? Naturwiss. 56, 97. (267) (With G.J.T. Tiddy) Applications of proton magnetic resonance spectroscopy to structural problems.

31. Hindered internal rotation in 2-dimethylaminopyridine derivatives. Org. Magn. Reson. 1, 57-65. (268) (With A.J. Boulton & P.J. Halls) Applications of proton magnetic resonance spectroscopy to

structural problems. 34. Partial bond fixation in bicyclic heteroaromatic compounds. Org. Magn. Reson. 1, 311-317.

(269) (With W. Fedeli, R.A.Y. Jones, F. Mazza, P.G. Mente & A. Vaciago) The conformations of the piperidinium ions from the reactions of 1-methyl- and 1-ethyl-4-phenylpiperidine with methyl iodide. Rend. Accad. Naz. Lincei 733.

(270) (With C. Krawlecki, J. Michalski & R.A.Y. Jones) Organophosphorus compounds of sulphur and selenium. Part 39. Dialkyl selenophosphates. Roczniki Chem. 43, 869.

(271) (With H. Dabrowska-Urbanska & T. Urbanski) Chemistry of nitroalkanes. 83. Heterocyclic derivatives of methazonic acid: formation of 5-nitro-1,2,3,4-tetrahydropyrimidine derivatives. Tetrahedron 25, 1617-1628.

(272) (With H.J. Keogh, K. Lempert & J. Puskás) Infrared absorption of substituents. 11. The structure of ureas and thioureas. Tetrahedron 25, 2265-2267.

(273) (With M.R. Nesbit, B.J. Kurtev, M. Lyapova & I.G. Pojarlieff) β-Ureido acids and dihydrouracils. 7. Applications of proton resonance spectroscopy. 32. NMR spectra and conformation of dihydrouracils and related compounds. Tetrahedron 25, 3807-3824.

(274) (With E. Lunt) N-Oxides and related compounds. 35. Reactions of N-Alkoxy-pyridinium and -quinolinium cations with nucleophiles. Tetrahedron 25, 4291-4305.

(275) (With J. Epsztajn) Amine nitroimides: a new functional group. Tetrahedron Lett. 10, 4739-4742. (276) Steric requirements of lone pairs and the conformational analysis of saturated heterocycles. Topics

Heterocycl. Chem. 36. (277) 1970 (With H.O. Tarhan & S. Tarhan) The kinetics and mechanism of electrophilic substitution of

heteroaromatic compounds. Part 20. Nitration of 3-hydroxypyridine, 6-hydroxy-2(1H)-pyridone, and some corresponding methyl derivatives. J. Chem. Soc. (B), 114-117.

(278) (With P.J. Brignell & P.E. Jones) The kinetics and mechanism of electrophilic substitution of heteroaromatic compounds. Part 21. Bromination of 2aminopyridines. J. Chem. Soc. (B), 117-121.

(279) (With R.A.Y. Jones, A.C. Richards & R.J. Wyatt) The conformational analysis of saturated heterocycles. Part 21. Dipole moment studies of 1-ethyl- and 1-isopropylpiperidines and further studies of 1-methylpiperidines. J. Chem. Soc. (B), 122-127.

(280) (With R.A.Y. Jones, A.C. Richards, R.J. Wyatt, R.J. Bishop & L.E. Sutton) The conformational analysis of saturated heterocycles. Part 22. Conformation of piperidine: evidence and conclusions from dipole moment studies. J. Chem. Soc. (B), 127-131.

(281) (With R.A.Y. Jones & M. Snarey) The conformational analysis of saturated heterocycles. Part 23. Hexahydropyrimidines. J. Chem. Soc. (B), 131-135.

(282) (With R.A.Y. Jones & M. Snarey) The conformational analysis of saturated heterocycles. Part 24. Hexahydro-1,3,5-triazines. J. Chem. Soc. (B), 135-138.

(283) (With M.R. Nesbit, J. Michalski, Z. Tulimowksi & A. Zwierzak) Applications of proton resonance spectroscopy to structural problems. Part 33. The conformations of some cyclic thiophosphates. J. Chem. Soc. (B), 140-147.

(284) (With A.J. Boulton & P.J. Halls) N-Oxides and related compounds. Part 37. The effect of methyl and aza substituents on the tautomeric equilibrium in benzofuroxan. J. Chem. Soc. (B), 636-640.

Alan Roy Katritzky

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(285) (With M.J. Cook & M.J. Sewell) The conformational analysis of saturated heterocycles. Part 26. 2-Substituted Benzodioxans. J. Chem. Soc. (B), 1207-1210.

(286) (With R.A.Y. Jones & P.G. Mente) The conformational analysis of saturated heterocycles. Part 27. The orientation of quaternization of piperidines. Further studies. J. Chem. Soc. (B), 1210-1217.

(287) (With B.J. Hutchinson, R.A.Y. Jones, K.A.F. Record & P.J. Brignell) The conformational analysis of saturated heterocycles. Part 28. 5-Alkoxy-1,3-dioxans. J. Chem. Soc. (B), 1224-1231.

(288) (With E. Bordignon, A. Signor, I.J. Fletcher & J.R. Lea) Reduction of 3,5-dinitro-2-pyridyl derivatives with sodium borohydride. Part 2. Application of PMR to structure problems. Part 35. Mechanism and structure of reduction products. J. Chem. Soc. (B), 1567-1569.

(289) (With I.J. Fletcher) The tautomeric structure of aminoazoles. J. Chem. Soc. (D), Chem. Commun. 706-707.

(290) (With R.D. Topsom) Distortions of the π-electron system in substituted benzenes. Angew. Chem. 82, 106-; Angew. Chem. Int. Ed. 9, 87.

(291) (With M. Gandino) Cyanine dyes derived from imidazolo[4,5-f]quinoline.. Ann. Chim. (Rome) 60, 462.

(292) Heterocycles. Chem. Eng. News (48), 80. (293) The prototropic tautomerism of heteroaromatic compounds. Chimia 24, 134. (294) (With P.D. Bolton, C.D. Johnson & S.A. Shapiro) Consistency of the indicator overlap method with

linear free-energy-enthalpy correlations. J. Am. Chem. Soc. 92, 1567-1568. (295) (With Y. Takeuchi) A new route to tropones based on the 1,3-dipolar reactivity of heteroaromatic

betaines. J. Am. Chem. Soc. 92, 4134-4136. (296) (With T.J. Broxton, L.W. Deady, A. Liu & R.D. Topsom) Infrared intensities as a quantitative

measure of intramolecular interactions. Part 12. π-Distortions in the ground states of some p-alkylbenzenes. J. Am. Chem. Soc. 92, 6845-6849.

(297) (With R.T.C. Brownlee, M.V. Sinnott, M. Szafran, R.D. Topsom & L.N. Yakhontov) Infrared intensities as a quantitative measure of intramolecular interactions. Part 13. Molecular orbital calculations of the intensities of ring-stretching bands of substituted benzenes. J. Am. Chem. Soc. 92, 6850-6855.

(298) (With H.J. Keogh, S. Ohlenrott & R.D. Topsom) Infrared intensities as a quantitative measure of intramolecular interactions. Part 14. Groups with donor-acceptor character. J. Am. Chem. Soc. 92, 6855-6860.

(299) (With R.F. Pinzelli, M.V. Sinnott & R.D. Topsom) Infrared intensities as a quantitative measure of intramolecular interactions. Part 15. Monosubstituted ethylenes. J. Am. Chem. Soc. 92, 6861-6866.

(300) (With Y. Takeuchi, B. Ternai & G.J.T. Tiddy) The proton resonance spectra of heterocycles. Part 6. The correlation of substituent effects on chemical shifts in bicyclic compounds. Org. Magn. Reson. 2, 357.

(301) (With Y. Takeuchi) Proton resonance spectra of heterocycles. 7. Proton NMR spectra of 2-methyl-benzoxazoles, -benzothiazoles and -benzoselenazoles. Org. Magn. Reson. 2, 569.

(302) Industrial-academic contacts in chemistry at the University of East Anglia. Pure Appl. Chem 22, 183. (303) (With, R.A.Y. Jones & B.B. Shapiro) The conformational analysis of saturated heterocycles. Part 29.

N-Acylindolines and N-acyl-1,2,3,4-tetrahydroquinolines. Tetrahedron 26, 721-724. (304) (With J. Epsztajn & E. Lunt) N-Oxides and related compounds. Part 39. Some reactions of 1-

aminopyridinium salts. Tetrahedron 26, 1665-1673. (305) (With, M.D. Brown, M.J. Cook & G. Desimoni) The conformational analysis of saturated

heterocycles. Part 37. cis-trans Equilibria in 1-substituted-3,5-dimethyl-4-piperidones with different hybridizations on nitrogen. Tetrahedron 26, 5281-5287.

(306) (With R.P. Duke, R.A.Y. Jones, E.E. Mikhlina, A.D. Yanina, L.M. Alekseeva, K.F. Turchin, Y.N. Sheinker & L.N. Yakhontov) The electrophilic substitution of benzoquinuclidine. Tetrahedron Lett. 11, 1809-1812.

(307) 1971 (With C.D. Johnson, M. Kingsland & E.F.V. Scriven) The kinetics and mechanism of the electrophilic substitution of heteroaromatic compounds. Part 22. The nitration of pyrimidinones. J. Chem. Soc. (B), 1-4.

(308) (With U. Bressel & J.R. Lea) The kinetics and mechanism of the electrophilic substitution of heteroaromatic compounds. Part 23. Acid-catalysed hydrogen-exchange of quinoline, isoquinoline and their N-oxides. J. Chem. Soc. (B), 4-10.

(309) (With U. Bressel & J.R. Lea) The kinetics and mechanism of the electrophilic substitution of heteroaromatic compounds. Part 24. Acid-catalysed hydrogen-exchange of 2-naphthol and of some corresponding aza-, thia- and oxo-derivatives. J. Chem. Soc. (B), 11-18.

(310) (With F.W. Fowler & R.J.D. Rutherford) The correlation of solvent effects on physical and chemical properties. J. Chem. Soc. (B), 460-469.

Alan Roy Katritzky

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(311) (With R.A.Y. Jones & D.L. Trepanier) The conformational analysis of saturated heterocycles. Part 39. 3-Alkyl-tetrahydro-1,3-oxazines. J. Chem. Soc. (B), 1300-1302.

(312) (With R.A.Y. Jones, P.G. Lehman, K.A.F. Record & B.B. Shapiro) The conformational analysis of saturated heterocycles. Part 31. 1-t-Butylpiperidine-4-spiro-4'-(1',3'-dioxolan) and 1,3-dioxan-5-spiro-4'-(1',3'-dioxolan). J. Chem. Soc. (B), 1302-1307.

(313) (With R.A.Y. Jones, P.G. Lehman & B.B. Shapiro) The conformational analysis of saturated heterocycles. Part 32. 1-t-Butylpiperidine-4-spiro-4'- and -5'-oxazolines and -4'-and -5'-thiazolines. J. Chem. Soc. (B), 1308-1315.

(314) (With R.A.Y. Jones & P.G. Lehman) The conformational analysis of saturated heterocycles. Part 33. 1-t-Butylpiperidine-4-spiro-4'- and -5'-(2',2'-dimethyloxazolidine) and a discussion of steric compression effects on chemical shifts. J. Chem. Soc. (B), 1316-1320.

(315) (With P.J. Halls, R.A.Y. Jones, M. Snarey & D.L. Trepanier) The conformational analysis of saturated heterocycles. Part 34. The influence of lone pair orientation on the differential proton chemical shift of adjacent methylene groups and on J values. J. Chem. Soc. (B), 1320-1324.

(316) (With R.A.Y. Jones, B.B. Shapiro, M.S. Tute, B. Gadsby & R.W. Broadbent) The conformational analysis of saturated heterocycles. Part 35. 1-Phenoxymethyl-3,4-dihydroisoquinolines. J. Chem. Soc. (B), 1325-1327.

(317) (With M.J. Cook, R.A.Y. Jones, D.G. Markees, A.C. Richards & L.G. Jacks) The conformational analysis of saturated heterocycles. Part 36. The rotamer populations of axial cyclohexylamine. J. Chem. Soc. (B), 1327-1330.

(318) (With A.J. Boulton & I.J. Fletcher) Tautomeric azines. Part 5. Cinnolin-3(2H)-one and 3- and 4-aminocinnoline. J. Chem. Soc. (B), 2344-2350.

(319) (With S.O. Chua & M.J. Cook) The tautomerism of heteroaromatic compounds with five-membered rings. Part 12. The imidazole 3-oxide versus 3-hydroxy-(3H)-imidazole equilibrium. J. Chem. Soc. (B), 2350-2354.

(320) (With G. Bianchi, A.J. Boulton & I.J. Fletcher) The tautomerism of heteroaromatic compounds with five-membered rings. Part 13. The tautomeric structure of 1-methyl-5-methylaminotetrazole. J. Chem. Soc. (B), 2355-2358.

(321) (With M.D. Brown & M.J. Cook) The conformational analysis of saturated heterocycles. Part 41. cis-trans-Equilibria of 4-thia- and 4-oxa-analogues of 2,6-dimethylcyclohexanone. J. Chem. Soc. (B), 2358-2363.

(322) (With A. El-Anani & P.E. Jones) The kinetics and mechanism of the electrophilic substitution of heteroaromatic compounds. Part 25. The acid-catalysed hydrogen-exchange of some 2-aminopyridine derivatives. J. Chem. Soc. (B), 2363-2365.

(323) (With A.G. Burton, P.P. Forsythe & C.D. Johnson) The kinetics and mechanism of the electrophilic substitution of heteroaromatic compounds. Part 27. The nitration and hydrogen-exchange of 1,3,5-trimethylpyrazole, 3,5-dimethylisoxazole, and 3,4-dimethylisothiazole. J. Chem. Soc. (B), 2365-2371.

(324) (With Y. Takeuchi) 1,3-Dipolar character of six-membered aromatic rings. Part 1. 1-Methyl-3-oxidopyridinium. J. Chem. Soc. (C), 874-877.

(325) (With Y. Takeuchi) 1,3-Dipolar character of six-membered aromatic rings. Part 2. A novel route to tropones and tropolones. J. Chem. Soc. (C), 878-880.

(326) (With A.J. Boulton & I.J. Fletcher) Heterocyclic rearrangements. Part 13. The conversion of a nitro-2,1-benzisoxazole into an acylbenzofurazan, and some unsuccessful rearrangements and oxygen transfer reactions. J. Chem. Soc. (C), 1193-1196.

(327) (With M.J. Cook, P. Linda & R. Tack) A quantitative measure of the aromatic stabilization energy of 2-pyridone and related compounds. J. Chem. Soc. (D), Chem. Commun. 510-511.

(328) (With R.A.Y. Jones & R. Scattergood) Conformational interconversions in acyclic and cyclic tetra-alkylhydrazines. J. Chem. Soc. (D), Chem. Commun. 644b-646.

(329) (With G. Bianchi) The tautomeric structure of 1-methyl-5-methylaminotetrazole, and a warning regarding nuclear magnetic resonance spectral determinations in deuteriated dimethyl sulphoxide. J. Chem. Soc. (D), Chem. Commun. 846.

(330) (With L. Angiolini, R.P. Duke & R.A.Y. Jones) The conformational analysis of saturated heterocycles. Part 46. A non-constrained axial t-butyl group in a six-membered ring. J. Chem. Soc. (D), Chem. Commun. 1308-1309.

(331) (With H. Bauer, A.J. Boulton, W. Fedeli, A. Majid-Hamid, F. Mazza & A. Vaciago) The oxidation products of bisacylhydrazones of α,β-diketones. Angew. Chem. 83, 115; Angew. Chem. Int. Ed. 10, 129-130.

(332) (With R.D. Topsom) The σ- and π-inductive effects. J. Chem. Ed. 48, 427-431. (333) (With E.E. Mikhlina, A.D. Yanina, L.M. Alekseeva, K.F. Turchin, Yu.N. Sheinker, L.N. Yakhontov,

R.P. Duke & R.A.Y. Jones) On the reaction of benzoquinuclidine with electrophilic reagents. Chem. Heterocycl. Compds (Engl. Transl.) 7, 355-358; Khim. Geterotsikl. Soed., 385-390.

Alan Roy Katritzky

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(334) (With R. Frampton & C.D. Johnson) Einfluss sterischer and elektronischer Effeckte bei Methylierung und N-Oxid-Bildung von 2-, 3- und 4-Dimethylaminopyridinen. Justus Liebigs Ann. Chem. 749, 12-15.

(335) (With Y. Takeuchi, N. Dennis & I. Taulov) Heteroaromatic betaines as 1,3-dipoles: The reaction of analogues of anhydro-3-hydroxy-1-methyl-pyridinium hydroxide with dipolarophiles. Proc. 3rd Internat. Congress Heterocyclic Chem.

(336) (With P.J. Taylor) Infrared spectroscopy of heterocycles. In Physical Methods in Heterocyclic Chemistry 4, 265.

(337) (With M.D. Brown, M.J. Cook & B.J. Hutchinson) The conformational analysis of saturated heterocycles. Part 40. The stereochemistry of base-catalysed hydrogen-deuterium exchange of methylene protons alpha to a sulphonyl group. Tetrahedron 27, 593-600.

(338) (With G. Bianchi & M.J. Cook) The tautomerism of heteroaromatic compounds with five-membered rings. Part XI. 4-Hydroxyisoxazoles – 4-isoxazolinones. Tetrahedron 27, 6133-6141.

(339) (With A. Smith) Application of contact shift reagents to the nmr spectra of polymers. Tetrahedron Lett. 12, 1765-1766.

(340) (With A.G. Burton & P.J. Halls) The kinetics and mechanism of electrophilic substitution of heteroaromatic compounds. Part 26. The selective 3- and 5-nitration of 2-pyridones.Tetrahedron Lett. 12, 2211-2212.

(341) 1972 (With N. Dennis & Y. Takeuchi) 1,3-Dipolar character of six-membered aromatic rings. Part 3. 2-Methyl-4-oxidoisoquinolinium. a novel route to benzotropones. J. Chem. Soc. Perkin Trans. 1, 2054-2057.

(342) (With R.A.Y. Jones, D.L. Ostercamp, K.A.F. Record & A.C. Richards) The conformational analysis of saturated heterocycles. Part 42. 1,2-Dimethylhexahydropyridazine. J. Chem. Soc. Perkin Trans. 2, 34-40.

(343) (With R.A.Y. Jones, P.G. Lehman, A.C. Richards & R. Scattergood) The conformational analysis of saturated heterocycles. Part 43. 1-t-Butylpiperidine-4-spiro-2'-aziridine, -oxiran, and thiiran. J. Chem. Soc. Perkin Trans. 2, 41-44.

(344) (With H. Bauer, A.J. Boulton, W. Fedeli, A. Majid-Hamid, F. Massa & A. Vaciago) N-Oxides and related compounds. Part 40. Chemical and X-ray crystallographic investigation of the oxidation products of α-diketone bisacylhydrazones. J. Chem. Soc. Perkin Trans. 2, 662-667.

(345) (With R.P. Duke, R.A.Y. Jones, J.M. Lagowski, Yu.N. Sheinker), N-Oxides and related compounds. Part 41. Substituent - ring interactions in methyl- and chloro-pyrazines and -pyrazine 1-oxides. J. Chem. Soc. Perkin Trans. 2, 668-670.

(346) (With P. Forsythe, R. Frampton & C.D. Johnson) Acidity functions and the protonation of weak bases. Part 7. The protonation behavior of dimethylaminopyridines and their N-oxides. J. Chem. Soc. Perkin Trans. 2, 671-673.

(347) (With L. Angiolini, R.P. Duke & R.A.Y. Jones) The conformational analysis of saturated heterocycles. Part 45. N-Alkyldihydro-1,3,5-dithiazines and N-alkyltetrahydro-1,3,5-thiadiazines. J. Chem. Soc. Perkin Trans. 2, 674-680.

(348) (With M.J. Cook, P. Linda & R.D. Tack) Aromaticity and tautomerism. Part 1. The aromatic resonance energy of 2-pyridone and the related thione, methide and imine. . J. Chem. Soc. Perkin Trans. 2, 1295-1301.

(349) (With Y. Takeuchi) The proton resonance spectra of heterocycles. Part 8. Substitutent effects on coupling constants in bicyclic heteroaromatic compounds and the prediction of chemical shifts from coupling constants. J. Chem. Soc. Perkin Trans. 2, 1682-1685.

(350) (With A.G. Burton, R.D. Frampton & C.D. Johnson) The kinetics and mechanism of the electrophilic substitution of heteroaromatic compounds. Part 28. The preparation and kinetic nitration of 2-, 3-, and 4-dimethylaminopyridines and their 1-oxides. J. Chem. Soc. Perkin Trans. 2, 1940-1949.

(351) (With G. Bianchi, A.G. Burton & C.D. Johnson) The kinetics and mechanism of the electrophilic substitution of heteroaromatic compounds. Part 29. The nitration of the 1-methyl cations of 2-methylamino-, 2-methylamino-5-nitro-, and 4-dimethylamino-pyridine. J. Chem. Soc. Perkin Trans. 2, 1950-1953.

(352) (With A.G. Burton & P.J. Halls) The kinetics and mechanism of the electrophilic substitution of heteroaromatic compounds. Part 30. The orientation of the nitration of 2-pyridones. J. Chem. Soc. Perkin Trans. 2, 1953-1958.

(353) (With N.C. Cutress, T.B. Grindley, M.V. Sinnott & R.D. Topsom) Infrared intensities as a quantitative measure of intramolecular interactions. Part 20. The electronic nature of amino, ammonio and diazonio substituents. J. Chem. Soc. Perkin Trans. 2, 2255-2258.

(354) (With R.P. Duke, R.A.Y. Jones, J.R. Carruthers, W. Fedeli, F. Mazza & A. Vaciago) The conformational analysis of saturated heterocycles. Part 47. Kinetic and X-ray crystallographic studies

Alan Roy Katritzky

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of the steric course of N-benzylation of piperidines: quaternization by preferential equatorial attack. J. Chem. Soc. Chem. Commun. 455-456.

(355) (With R.A.Y. Jones, A.C. Richards, S. Saba, A.J. Sparrow & D.L. Trepanier) The conformational analysis of saturated heterocycles. Part 48. The conformation of the NH groups in piperazines, hexahydropyrimidines, tetrahydro-1,2- and -1,3-oxazine, and tetrahydro-1,3-thiazine. J. Chem. Soc. Chem. Commun. 673-674.

(356) (With N. Dennis, S.K. Parton & Y. Takeuchi) 1,3-Dipolar character of six-membered aromatic rings. Part 4. A novel benzyne displacement reaction. J. Chem. Soc. Chem. Commun. 707.

(357) (With N. Dennis & S.K. Parton) 1,3-Dipolar character of six-membered aromatic rings. Part 5. A new synthesis of azabenzoisocoumarins. J. Chem. Soc. Chem. Commun. 1237-1238.

(358) (With R.D. Topsom) Linear free energy relationships and optical spectroscopy. Advan. Linear Free Energy Relationships, 119.

(359) (With A. Smith) Application of europium and praseodymium shift reagents to the NMR spectra of polymers. British Polymer J. 199.

(360) (With A. Smith) Investigations of polymers by NMR spectroscopy. Gummi Asbest Kunststoffe 8, 648. (361) Aromatic property and tautomeric equilibria of heterocycles. Chem. Heterocycl. Compds (Engl.

Transl.) 7, 917; Khim. Geterotsikl. Soed. 1011. (362) (With D.G. Cameron & R.D. Topsom) ν19a and ν19b Absorptions in halobenzenes. J. Chem. Phys. 56,

4717. (363) (With N.C. Cutress, C. Eaborn, D.R.M. Walton & R.D. Topsom) Infrared intensities as a measure of

intramolecular interactions. 19. Electronic interactions in substituted phenyl- and benzyl-trimethylsilanes. J. Organometal. Chem. 43, 131.

(364) The aromaticity of heterocycles and tautomeric equilibria. Lectures in Heterocyclic Chemistry 139. (365) (With E.W. Duck & A. Smith) Nuclear magnetic resonance in polymer analysis and design. Polymer

Age 3, 303. (366) (With R.F. Pinzelli & R.D. Topsom) Infrared intensities as a quantitative measure of intramolecular

interactions. 18. Alkyl vinyl ketones and alkyl phenyl ketones. Tetrahedron 28, 3449. (367) (With J.M. Angelelli, R.F. Pinzelli & R.D. Topsom) Infrared intensities as a quantitative measure of

intramolecular interactions. 16. 2-Substituted thiophenes and furans. Tetrahedron 28, 2037. (368) (With R.F. Pinzelli & R.D. Topsom) Infrared intensities as a quantitative measure of intramolecular

interactions. 17. Phenyl and vinyl alkyl ethers and sulphides. Tetrahedron 28, 3441. (369) (With T.B. Grindley & R.D. Topsom) Infrared intensities as a quantitative measure of intramolecular

interactions. 22. A direct relation of sigma constants to the energy scale. Tetrahedron Lett. 13, 2643-2646.

(370) (With M.J. Cook, P. Linda & R.D. Tack) Aromaticity and tautomerism, 3. Aromatic resonance energies from equilibrium data. Tetrahedron Lett. 13, 5019-5022.

(371) Prototropic tautomerism of heteroaromatic compounds. Uspekhi Khim. 41, 700. (372) 1973 (With N. Dennis, B. Ibrahim & Y. Takeuchi) 1,3-Dipolar character of six-membered aromatic rings.

Part 6. 1-(2,4-Dinitrophenyl)-3-oxidopyridinium: rearrangement and dipolar additions. J. Chem. Soc. Chem. Commun. 292.

(373) (With R.A.Y. Jones, A.R. Martin & S. Saba) Preparation and conformational analysis of 2,3,3-trimethyl- and 2-methyl-tetrahydro-1,4,2-dioxazine. J. Chem. Soc. Chem. Commun. 908.

(374) (With J. Epsztajn, E. Lunt, J.W. Mitchell & G. Roch) N-Oxides and related compounds. Part 42. Amine N-nitroimides derived from trimethylamine, 1-methylpiperidine, triethylenediamine, pyridines, quinoline, and isoquinoline. J. Chem. Soc. Perkin Trans. 1, 2622-2624.

(375) (With J.W. Mitchell) N-Oxides and related compounds. Part 43. Formation of N-nitroimides by base-catalyzed nitration. J. Chem. Soc. Perkin Trans. 1, 2624-2626.

(376) (With R.T.C. Brownlee, D.G. Cameron, R.D. Topsom & A.F. Pozharskii) Infrared intensities as a quantitative measure of intramolecular interactions. Part 25. Interactions between substituents in para-disubstituted benzenes. J. Chem. Soc. Perkin Trans. 2, 247-255.

(377) (With T.J. Broxton, D.G. Cameron & R.D. Topsom) Infrared intensities as a quantitative measure of intramolecular interactions. Part 26. Variable resonance behavior by alkyl and substituted alkyl groups. J. Chem. Soc. Perkin Trans. 2, 256-260.

(378) (With G. Butt, M. Davis, Y.T. Pang & R.D. Topsom) Infrared intensities as a quantitative measure of intramolecular interactions. Part 27. Substituents with donor-acceptor character: the NSO group. J. Chem. Soc. Perkin Trans. 2, 260-263.

(379) (With N.C. Cutress, T.B. Grindley & R.D. Topsom) Infrared intensities as a quantitative measure of intramolecular interactions. Part 28. Benzenethiols and methyl and t-butyl phenyl sulphides. J. Chem. Soc. Perkin Trans. 2, 263-268.

(380) (With M.J. Cook, R.A.Y. Jones, M. Moreno Manas, A.C. Richards, A.J. Sparrow & D.L. Trepanier) The conformational analysis of saturated heterocycles. Part 49. The conformation of ring NH-groups

Alan Roy Katritzky

16

in piperazines, hexahydropyrimidines, tetrahydro-1,3-oxazines, and tetrahydro-1,3-thiazines. J. Chem. Soc. Perkin Trans. 2, 325-331.

(381) (With I.D. Blackburne, R.P. Duke, R.A.Y. Jones & K.A.F. Record) The conformational analysis of saturated heterocycles. Part 50. Computer program for strain energy minimization in six-membered rings and recalculation of conformational equilibria. J. Chem. Soc. Perkin Trans. 2, 332-336.

(382) (With R.A.Y. Jones, D.L. Nicol & R. Scattergood) The conformational analysis of saturated heterocycles. Part 51. Spirodioxolans. J. Chem. Soc. Perkin Trans. 2, 337-338.

(383) (With A. El-Anani, J. Banger, G. Bianchi, S. Clementi & C.D. Johnson) The kinetics and mechanism of the electrophilic substitution of heteroaromatic compounds. Part 31. The standardization of acid-catalyzed exchange rates. J. Chem. Soc. Perkin Trans. 2, 1065-1071.

(384) (With A. El-Anani, S. Clementi & L.N. Yakhontov) The kinetics and mechanism of the electrophilic substitution of heteroaromatic compounds. Part 32. Acid-catalyzed hydrogen exchange of azaindoles. J. Chem. Soc. Perkin Trans. 2, 1072-1077.

(385) (With S. Clementi) The kinetics and mechanism of the electrophilic substitution of heteroaromatic compounds. Part 33. Hammett treatment for hydrogen exchange of monosubstituted benzenes in sulphuric acid under standard conditions. J. Chem. Soc. Perkin Trans. 2, 1077-1080.

(386) (With M.J. Cook, P. Linda & R.D. Tack) Aromaticity and tautomerism Part 2. The 4-pyridone, 2-quinolone, and 1-isoquinolone series. J. Chem. Soc. Perkin Trans. 2, 1080-1086.

(387) (With R.P. Duke & R.A.Y. Jones) The conformational analysis of saturated heterocycles. Part 52. The stereochemical orientation of the benzylation of piperidines. J. Chem. Soc. Perkin Trans. 2, 1553-1557.

(388) (With S. Clementi, P.P. Forsythe & C.D. Johnson) The kinetics and mechanism of the electrophilic substitution of heteroaromatic compounds. Part 34. The hydrogen-exchange rates of methylpyrazoles. J. Chem. Soc. Perkin Trans. 2, 1675-1680.

(389) (With R.P. Duke, R.A.Y. Jones, R. Scattergood & F.G. Riddell) The conformational analysis of saturated heterocycles. Part 53. Further 1,3,5-trialkylhexahydro-1,3,5-triazines. J. Chem. Soc. Perkin Trans. 2, 2109-2111.

(390) (With S.O. Chua & M.J. Cook) Tautomeric pyridines. Part 14. The tautomerism of 2-benzyl-, 2-benzhydryl-, and 2-anilino-pyridine. J. Chem. Soc. Perkin Trans. 2, 2111-2114.

(391) (With R.T.C. Brownlee, J. Munday & R.D. Topsom) Infrared intensities as a quantitative measure of intramolecular interactions. Part 23. CNDO/2 calculation of the absolute infrared intensities of a series of monosubstituted ethylenes. J. Chem. Soc. Faraday Trans. 2, 69, 349-354.

(392) (With R.W. Baldcock, P. Hudson & F. Soti) Merostabilization - a new principle governing the stability of organic free radicals. Heterocycles 1, 67-71.

(393) (With R.T.C. Brownlee, D.G. Cameron, R.D. Topsom & A.J. Sparrow) Calculation and accurate measurement of infrared band intensities. vibrational band (8) and vibrational band (19) of monosubstituted benzenes. J. Mol. Struct. 16, 365.

(394) (With M. Avram, A. Dinculescu, C.D. Nenitzescu, R.A.Y. Jones & R.J. Wyatt) Application of proton magnetic resonance spectroscopy to structure problems. Part 36. Configurations of substituted dibenzobicyclo(3,2,1)octadienes. Rev. Roumaine Chim. 18, 441.

(395) (With L. Deady, R.A. Shanks & R.D. Topsom) Infrared intensities as a quantitative measure of intramolecular interactions. Part 21. Substituted benzonitriles. Spectrochim. Acta (A) 29, 115-121.

(396) 1974 (With N. Dennis, T. Matsuo, S.K. Parton & Y. Takeuchi) 1,3-Dipolar character of six-membered aromatic rings. Part 7. 1-Phenyl-3-oxidopyridinium. J. Chem. Soc. Perkin Trans. 1, 746-750.

(397) (With N. Dennis & S.K. Parton) 1,3-Dipolar character of six-membered aromatic rings. Part 8. [2]Benzopyrano[4,3-b]pyridin-6-ones. J. Chem. Soc. Perkin Trans. 1, 750-754.

(398) (With R.W. Baldcock, P. Hudson & F. Soti) Stable free radicals. Part 1. Merostabilization - a new principle governing the stability of organic free radicals. J. Chem. Soc. Perkin Trans. 1, 1422-1427.

(399) (With F. Soti) Stable free radicals. Part 2. Some substituted pyridinyls. J. Chem. Soc. Perkin Trans. 1, 1427-1432.

(400) (With N. Dennis, B. Ibrahim, I.G. Taulov & Y. Takeuchi) 1,3-Dipolar character of six-membered aromatic rings. Part 9. Rearrangement and additions of 1-(2,4-dinitrophenyl)-3-oxidopyridinium. J. Chem. Soc. Perkin Trans. 1, 1883-1887.

(401) (With N.C. Cutress, T.B. Grindley, M. Shome & R.D. Topsom) Infrared intensities as a quantitative measure of intramolecular interactions. Part 29. Methyl phenyl sulphones and sulphoxides. J. Chem. Soc. Perkin Trans. 2, 268-273.

(402) (With T.B. Grindley, K.F. Johnson, H.J. Keogh & R.D. Topsom) Infrared intensities as a quantitative measure of intramolecular interactions. Part 31. Intramolecular interactions in arylacetylenes. J. Chem. Soc. Perkin Trans. 2, 273-276.

(403) (With T.B. Grindley, K.F. Johnson, H.J. Keogh, J.A. Munday, C. Thirkettle, R.T.C. Brownlee & R.D. Topsom) Infrared intensities as a quantitative measure of intramolecular interactions. Part 32.

Alan Roy Katritzky

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Conjugation of the substituent and the triple bond in monosubstituted acetylenes. J. Chem. Soc. Perkin Trans. 2, 276-282.

(404) (With T.B. Grindley, K.F. Johnson, H.J. Keogh, C. Thirkettle & R.D. Topsom) Infrared intensities as a quantitative measure of intramolecular interactions. Part 33. Conjugation of substituents with the triple bond in disubstituted acetylenes. J. Chem. Soc. Perkin Trans. 2, 282-289.

(405) (With T.B. Grindley & R.D. Topsom) Infrared intensities as a quantitative measure of intramolecular interactions. Part 34. Quantitative relations between conjugation and strain energies and sigma resonance values: rotational barriers in monosubstituted benzenes. J. Chem. Soc. Perkin Trans. 2, 289-293.

(406) (With A.G. Burton, M. Dereli & H.O. Tarhan) The kinetics and mechanism of the electrophilic substitution of heteroaromatic compounds. Part 35. The nitration of phenylpyrazolones. J. Chem. Soc. Perkin Trans. 2, 382-388.

(407) (With A.G. Burton, M. Konya & H.O. Tarhan) The kinetics and mechanism of the electrophilic substitution of heteroaromatic compounds. Part 36. The nitration of some 1-phenylpyrazoles. J. Chem. Soc. Perkin Trans. 2, 389-394.

(408) (With J. Banger, C.D. Johnson & B.R. O'Neill) The kinetics and mechanism of the electrophilic substitution of heteroaromatic compounds. Part 37. The acid-catalyzed detritiation of benzene and naphthalene. J. Chem. Soc. Perkin Trans. 2, 394-398.

(409) (With S. Clementi, P.P. Forsythe, C.D. Johnson & B. Terem) The kinetics and mechanism of the electrophilic substitution of heteroaromatic compounds. Part 38. Hydrogen exchange of isoxazoles and isothiazoles. J. Chem. Soc. Perkin Trans. 2, 399-402.

(410) (With R.A.Y. Jones, K.A.F. Record, R. Scattergood & J.M. Sullivan) The conformational analysis of saturated heterocycles. Part 56. Substituent effects in the conformational equilibria of spiro-oxazolines. J. Chem. Soc. Perkin Trans. 2, 402-406.

(411) (With R.A.Y. Jones, K.A.F. Record & R. Scattergood) The conformational analysis of saturated heterocycles. Part 57. Cyclic and acyclic tetra-alkylhydrazines. J. Chem. Soc. Perkin Trans. 2, 406-415.

(412) (With T.J. Broxton, G. Butt, R. Liu, L.H. Teo & R.D. Topsom) Infrared intensities as a quantitative measure of intramolecular interactions. Part 36. Field-induced resonance effects. J. Chem. Soc. Perkin Trans. 2, 463-466.

(413) (With S.O. Chua & M.J. Cook) Substituent effects in tautomerism. Part 1. Acyl- and sulphonyl-amidines. J. Chem. Soc. Perkin Trans. 2, 546-552.

(414) (With R.A.Y. Jones, A.R. Martin, D.L. Ostercamp, A.C. Richards & J.M. Sullivan) The conformational analysis of saturated heterocycles. Part 61. 1,2,4,5-Tetra-alkylhexahydro-1,2,4,5-tetrazines and polycyclic analogues. J. Chem. Soc. Perkin Trans. 2, 948-954.

(415) (With M.J. Cook, N.L. Dassanayake, C.D. Johnson & T.W. Toone) Aromaticity and tautomerism. Part 4. Free energy : enthalpy correlations for the protonation of pyridine bases and azine N-oxides and the temperature variation of the Ho and Ha acidity functions. J. Chem. Soc. Perkin Trans. 2, 1069-1075.

(416) (With I.D. Blackburne, D.M. Read, R. Bodalski & K. Pietrusiewicz) The conformational analysis of saturated heterocycles. Part 62. cis-trans Equilibria of 4-phospha-analogues of 2,6-dimethylcyclohexanone. J. Chem. Soc. Perkin Trans. 2, 1155-1160.

(417) (With S. Clementi & C.D. Johnson) The kinetics and mechanism of the electrophilic substitution of heteroaromatic compounds. Part 39. Transmission of substituent effects in the pyridine system: Hammett treatment of hydrogen exchange data. J. Chem. Soc. Perkin Trans. 2, 1294-1298.

(418) (With B. Ibrahim, A. Smith & D.E. Weiss) Carbon-13 nuclear magnetic resonance spectroscopy of polymers. Part 1. High resolution carbon-13 nuclear magnetic resonance spectroscopy: tacticity studies on poly(vinyl acetate) and monomer distribution analysis in ethylene - vinyl acetate copolymers. J. Chem. Soc. Perkin Trans. 2, 1537-1542.

(419) (With D.E. Weiss) Carbon-13 nuclear magnetic resonance spectroscopy of polymers. Part 2. Determination of monomer sequence distribution in butadiene - acrylonitrile copolymer. J. Chem. Soc. Perkin Trans. 2, 1542-1547.

(420) (With A. Smith & D.E. Weiss) Carbon-13 nuclear magnetic resonance spectroscopy of polymers. Part 3. Determination of tacticity in monomer sequence distribution triads in styrene - methyl methacrylate copolymer. J. Chem. Soc. Perkin Trans. 2, 1547-1554.

(421) (With R.A.Y. Jones, S. Saba & A.J. Sparrow) The conformational analysis of saturated heterocycles. Part 63. Tetrahydro-1,2-oxazines and related acyclic hydroxylamines. J. Chem. Soc. Perkin Trans. 2, 1554-1557.

(422) (With V.J. Baker & I.D. Blackburne) The conformational analysis of saturated heterocycles. Part 64. The Stereochemical orientation of the ethylation of piperidines. J. Chem. Soc. Perkin Trans. 2, 1557-1561.

Alan Roy Katritzky

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(423) (With R.A.Y. Jones, A.R. Martin & S. Saba) The conformational analysis of saturated heterocycles. Part 65. Low temperature nuclear magnetic resonance studies on 2-methyl-2-ethyl- and 2,3,3-trimethyl-2,3,5,6-tetrahydro-1,4,2-dioxazines. J. Chem. Soc. Perkin Trans. 2, 1561-1563.

(424) (With V.J. Baker, I.D. Blackburne, R.A. Kolinski & Y. Takeuchi) The conformational analysis of saturated heterocycles. Part 66. The stereochemical orientation of the methylation of 2-methylpiperidines. J. Chem. Soc. Perkin Trans. 2, 1563-1568.

(425) (With G.P. Ford, T.B. Grindley & R.D. Topsom) Infrared intensities as a quantitative measure of intramolecular interactions. Part 37. 1,1-Disubstituted ethylenes. J. Chem. Soc. Perkin Trans. 2, 1569-1574.

(426) (With R.A.Y. Jones & S. Saba) The conformational analysis of saturated heterocycles. Part 67. 2-Alkyl-3,6-dihydro-2H-1,2-oxazines and 3-alkyl-3,4-dihydro-1H-2,3-benzoxazines. J. Chem. Soc. Perkin Trans. 2, 1737-1741.

(427) (With D.E. Weiss) Carbon-13 Nuclear magnetic resonance determination of the sequence structure of styrene-butadiene copolymers. J. Chem. Soc. Chem. Commun. 401-403.

(428) (With N. Dennis & B. Ibrahim) 1,3-Dipolar character of six-membered aromatic rings. Part 12. The dimer of 1-(5-nitropyridin-2-yl)-3-oxidopyridinium and its reactions. J. Chem. Soc. Chem. Commun. 500-501.

(429) (With V.J. Baker, J.P. Majoral, S.F. Nelson & P.J. Hintz) Importance of transition state steric strain in the nitrogen inversion of hydrazines. J. Chem. Soc. Chem. Commun. 823-824.

(430) Heterocyclic Compounds. in Encyclopaedia Britannica (15th Edition), p. 1832. (431) (With M.J. Cook & P. Linda) Aromaticity of heterocycles. Advan. Heterocyclic Chem. 17, 255-356. (432) (With J. Lewis, S.Q.A. Rizvi, G. Roch & E. Lunt) Hydroxy-pyridine and -quinoline 1-nitroimides.

Anal. Quím. 70, 994. (433) (With L. Angiolini, I.D. Blackburne & R.A.Y. Jones) The conformational analysis of saturated

heterocycles. Part 60. The conformation of 5-aryl groups in 1,3-dithians. Gazz. Chim. Ital. 104, 541. (434) (With R.A.Y. Jones, A.R. Martin, D.L. Ostercamp, A.C. Richards & J.M. Sullivan) The

conformational equilibriums of hexahydrotetrazines. J. Am. Chem. Soc. 96, 576-578. (435) (With I.D. Blackburne & Y. Takeuchi) The conformational analysis of saturated heterocycles. Part

54. The conformation of piperidine as determined by paramagnetic shifts in the NMR. J. Am. Chem. Soc. 96, 682-684.

(436) (With C. Pouchan, A. Dargelos, M. Chaillet, G. Ford & R.D. Topsom) Calcul des intensites IR et des frequences vibrationnelles de l'eau, du furanne et de derives substitues, par la methode CNDO/2. J. Chim Phys. Physico-Chim. Biologique 71, 934.

(437) (With N.C. Cutress, T.B. Grindley, C. Eaborn, D.R.M. Walton & R.D. Topsom) Infrared intensities as a measure of intramolecular interactions: substituted benzyltrimethyl-silanes and -stannanes. J. Organomet. Chem. 65, 17-22.

(438) (With J. Arriau, J. Deschamps, J.R.C. Duke, J. Epsztajn, E. Lunt, J.W. Mitchell, S.Q. Abbas Rizvi & G. Roch) Pyridine 1-nitroimide: crystal structure, conformation, electronic structure, site of protonation, and reactivity. Tetrahedron Lett. 15, 3865-3868.

(439) (With J.W. Suwinski) N,N'-Linked bi(heteroaryls): neutral species, cations and dications. Tetrahedron Lett. 15, 4123-4124.

(440) 1975 (With N. Dennis & M. Ramaiah) 1,3-Dipolar character of six-membered aromatic rings. Part 10. Pyridazine and benzopyridazine betaines. J. Chem. Soc. Perkin Trans. 1, 1506-1514.

(441) (With S.Q.A. Rizvi & J.W. Suwinski) N-Oxides and related compounds. Part 50. Reactions of pyridinium and sulphonium ylides with pyrylium salts. J. Chem. Soc. Perkin Trans. 1, 2489-2492.

(442) (With D.E. Weiss) Carbon-13 nuclear magnetic resonance spectroscopy of polymers. Part 4. Peak assignment for (styrene - butadiene) copolymers. J. Chem. Soc. Perkin Trans. 2, 21-26.

(443) (With D.E. Weiss) Carbon-13 nuclear magnetic resonance spectroscopy on polymers. Part 5. Monomer sequence in styrene-butadiene copolymers. J. Chem. Soc. Perkin Trans. 2, 27-33.

(444) (With T.B. Grindley & R.D. Topsom) Infrared intensities as a quantitative measure of intramolecular interactions. Part 35. Conjugation in para-substituted benzenes and its relation to strain energies and sigma values. J. Chem. Soc. Perkin Trans. 2, 443-449.

(445) (With V.J. Baker & J.P. Majoral) The conformational analysis of saturated heterocycles. Part 70. Nitrogen inversions in 1,3,4-oxadiazolidines. J. Chem. Soc. Perkin Trans. 2, 1191-1193.

(446) (With G.P. Ford & R.D. Topsom) Infrared intensities as a quantitative measure of intramolecular interactions. Part 42. 1,2-Disubstituted ethylenes. J. Chem. Soc. Perkin Trans. 2, 1371-1378.

(447) (With G.P. Ford & R.D. Topsom) Infrared intensities as a quantitative measure of intramolecular interactions. Part 43. Quantitative estimation of electronic interactions in mono- and di-substituted ethylenes and the prediction of rotational barriers. J. Chem. Soc. Perkin Trans. 2, 1378-1380.

(448) (With B. Terem, E.F.V. Scriven, S. Clementi & H.O. Tarhan) The standardisation of aromatic and heteroaromatic nitration rates. J. Chem. Soc. Perkin Trans. 2, 1600-1609.

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(449) (With M. Dereli & H.O. Tarhan) The kinetics and mechanism of the electrophilic substitution of heteroaromatic compounds. Part 41. The nitration of 3-hydroxy-1-phenylpyrazoles. J. Chem. Soc. Perkin Trans. 2, 1609-1614.

(450) (With C. Öğretir, H.O. Tarhan, H.M. Dou & J.V. Metzger) The kinetics and mechanism of the electrophilic substitution of heteroaromatic compounds. Part 42. The nitration of thiazoles and thiazolones. J. Chem. Soc. Perkin Trans. 2, 1614-1620.

(451) (With H.O. Tarhan & B. Terem) The kinetics and mechanism of the electrophilic substitution of heteroaromatic compounds. Part 43. The nitration of isothiazoles. J. Chem. Soc. Perkin Trans. 2, 1620-1624.

(452) (With S. Clementi & H.O. Tarhan) Discussion of standard nitration rates for benzenoid and heteroaromatic compounds. J. Chem. Soc. Perkin Trans. 2, 1624-1627.

(453) (With M. Konya, H.O. Tarhan & A.G. Burton) The kinetics and mechanism of the electrophilic substitution of heteroaromatic compounds. Part 47. The nitration of phenylisoxazoles. J. Chem. Soc. Perkin Trans. 2, 1627-1632.

(454) (With H.O. Tarhan & B. Terem) The kinetics and mechanism of the electrophilic substitution of heteroaromatic compounds. Part 48. Nitration of pyrazoles in the 3- and 5-positions. J. Chem. Soc. Perkin Trans. 2, 1632-1636.

(455) (With M.P. Sammes) 1-Pyridinio-4-pyridone cations and 1-pyridiniopyridinium dications: intermediates of synthetic potential. J. Chem. Soc. Chem. Commun. 247-248.

(456) (With I.J. Ferguson & D.M. Read) Quantitative dependence of N-methyl inversion barriers in six-membered rings on electronic and steric effects. Direct observation of the conformational equilibria in tetrahydro-1,3-oxazines and hexahydropyrimidines. J. Chem. Soc. Chem. Commun. 255-256.

(457) (With N. Dennis & B. Ibrahim) Rationalisation of the variation of reactivity towards cycloaddition with structure in 3-oxido-pyridinium and -azinium betaines and a study of 1-(4,6-dimethyl-2-pyrimidinyl)-3-oxidopyridinium. J. Chem. Soc. Chem. Commun. 425-427.

(458) (With H. Wilde) Photochemically induced valence bond tautomerism and dimerisation of 3-oxido-1-phenylpyridinium. J. Chem. Soc. Chem. Commun. 770-771.

(459) (With I.D. Blackburne & Y. Takeuchi) Conformation of piperidine and of derivatives with additional ring heteroatoms. Accts Chem. Res. 8, 300-306.

(460) (With M. Moreno-Manas) The conformational analysis of saturated heterocycles. Part 69. The conformations of N-SO2CH3 groups in six-membered rings. Anal. Quim. 71, 804.

(461) (With T.B. Grindley, K.F. Johnson, H. Kaack, G.P. Schiemenz & R.D. Topsom) Infrared intensities as a quantitative measure of intramolecular interactions. Part 39. Triaryl-phosphines, -phosphine oxides, and -phosphine sulfides. Austral. J. Chem. 28, 327-333.

(462) (With M.I. Kabachnik, I.G. Malakhov, E.N. Tsvetkov, K.F. Johnson, A.J. Sparrow & R.D. Topsom) Infrared intensities as a quantitative measure of intramolecular interactions. Part 40. Di-para-substituted aryl phosphines. Austral. J. Chem. 28, 755-758.

(463) (With W.L.F. Armarego, R.A.Y. Jones, D.M. Read & R. Scattergood) The conformational analysis of saturated heterocycles. Part 71. Conformation of mono- and di-N-methyl-trans-decahydroquinazolines. Austral. J. Chem. 28, 2323-2325.

(464) (With A. Maquestiau, Y. van Haverbeke, C. de Meyer & J. Frank) Mise en evidences des tautomeres enethioliques des mercaptopyridines en spectrometrie de masse. Bull. Soc. Chim. Belges 84, 465.

(465) (With A. Macquestiau, Y. van Haverbeke, C. de Meyer, M.J. Cook & A.D. Page) Mise en evidence des tautomeres enoliques des hydroxypyridines dans la source du spectrometre de masse. Can. J. Chem. 53, 490-496.

(466) (With N. Dennis & S.K. Parton) 1,3-Dipolar character of six-membered aromatic rings. Part 13. 2-(2',4'-Dinitrophenyl)-4-oxidoisoquinolinium. Chem. Pharm. Bull. 23, 2899-2903.

(467) (With N. Dennis & S.K. Parton) 1,3-Dipolar character of six-membered aromatic rings. Part 14. A double cycloaddition to 3-oxido-1-phenacylpyridinium. Chem. Pharm. Bull. 23, 2904-2906.

(468) (With S. Clementi, A. El-Anani & B.R. O'Neill) Kinetics and mechanism of electrophilic substitution of heterocycles. Part 45. Kinetic salt effects on acid-catalysed hydrogen isotope exchange. Gazz. Chim. Ital. 105, 539.

(469) (With S.Q. Abbas Rizvi & J.W. Suwinski) Reactions of pyrylium salts with pyridinium and sulphonium ylids. Heterocycles 3, 379-380.

(470) (With M.J. Cook, N.L. Dassanayake, C.D. Johnson & T.W. Toone) The temperature variation of the HR acidity function in aqueous sulfuric acid. J. Am. Chem. Soc. 97, 760-764..

(471) (With G.P. Ford, T.B. Grindley, J. Morel, M. Shome, C. Paulmier & R.D. Topsom) Infrared intensities as a quantitative measure of intramolecular interactions. Part 38. Selenophenes. J. Mol. Struct. 27. 195.

(472) (With M. Kinns & E. Lunt) Coupling constants in N-substituted pyridines and their relation with electronegativity. Org. Magn. Reson. 7, 569-571.

Alan Roy Katritzky

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(473) The conformational analysis of saturated heterocycles. Proceedings of the Conference on Heterocycles.

(474) Tautomerism and the aromatic stabilization of heterocyclic compounds. Proceedings of the Conference on Heterocycles.

(475) (With J.W. Suwinski) N-Oxides and related compounds. Part 51. The synthesis of N,N'-linked bi(heteroaryls). Tetrahedron 31, 1549-1556.

(476) (With M.J. Cook & A.D. Page) Acidity functions. Part 9. The preparation of buffered solutions of defined basicity in absolute methanol. Tetrahedron 31, 2707-2709.

(477) (With S. Clementi & H.O. Tarhan) The failure of reactivity indices on quantitative measures of the susceptibility of heterocyclic compounds to electrophilic substitution. Tetrahedron Lett. 16, 1395-1396.

(478) 1976 (With F. Yates) Phthaloylation of aminoazoles and aminoazines. J. Chem. Soc. Perkin Trans. 1, 309-312.

(479) (With J. Elguero, B.S. El-Osta, R.L. Harlow & S.H. Simonsen) Synthesis, spectra, and crystal structure of 6,7,14,15-tetrahydrobisbenzimidazo[1,2-a:1',2'-e][1,5]diazocine. J. Chem. Soc. Perkin Trans. 1, 312-315.

(480) (With A.S. Afridi & C.A. Ramsden) Heterocyclic rearrangements. Part 14. Attempts to activate ring-opening-ring-closure rearrangements with carbon as the central atom. J. Chem. Soc. Perkin Trans. 1, 315-320.

(481) (With D. Moderhack) Preparation and reactions of pyridinium tetrazol-5-ylmethylides. J. Chem. Soc. Perkin Trans. 1, 909-912.

(482) (With N. Dennis & M. Ramaiah) 1,3-Dipolar character of six-membered aromatic rings. Part 11. 1-Oxido-3-phenylphthalazinium. J. Chem. Soc. Perkin Trans. 1, 2281-2284.

(483) (With N. Dennis & S.K. Parton) 1,3-Dipolar character of six-membered aromatic rings. Part 16. Reactions of benzyne with 3-hydroxypyridine, 1-methyl-3-oxidopyridinium and related compounds. J. Chem. Soc. Perkin Trans. 1, 2285-2288.

(484) (With N. Dennis, S.K. Parton, Y. Nomura, Y. Takahashi & Y. Takeuchi) 1,3-Dipolar character of six-membered aromatic rings. Part 18. Adducts from 3-oxido-1-phenylpyridinium and the quaternisation and conversion into tropone derivatives. J. Chem. Soc. Perkin Trans. 1, 2289-2296.

(485) (With N. Dennis & B. Ibrahim) 1,3-Dipolar character of six-membered aromatic rings. Part 20. Preparation and dimerisation of 1-(5-nitro-2-pyridyl)-and 1-(4,6-dimethylpyrimidin-2-yl)-oxidopyridinium. J. Chem. Soc. Perkin Trans. 1, 2296-2307.

(486) (With N. Dennis & B. Ibrahim) 1,3-Dipolar character of six-membered aromatic rings. Part 21. Thermal cycloadditions of 1-(5-nitro-2-pyridyl)- and 1-(4,6-dimethylpyrimidin-2-yl)-3-oxidopyridinium with two, four, and six π-electron components. J. Chem. Soc. Perkin Trans. 1, 2307-2328.

(487) (With N. Dennis & R. Rittner) 1,3-Dipolar character of six-membered aromatic rings. Part 25. 5-Aryl-1-methyl-3-oxidopyridiniums. J. Chem. Soc. Perkin Trans. 1, 2329-2334.

(488) (With J. Banerji, N. Dennis, J. Frank & T. Matsuo) 1,3-Dipolar character of six-membered aromatic rings. Part 26. 3-Hydroxypyridine and 1-benzyl-3-oxidopyridinium. J. Chem. Soc. Perkin Trans. 1, 2334-2338.

(489) (With N. Dennis & H. Wilde) 1,3-Dipolar character of six-membered aromatic rings. Part 27. Photochemically induced valence bond tautomerism and dimerisation of 3-oxido-1-phenylpyridinium. J. Chem. Soc. Perkin Trans. 1, 2338-2343.

(490) (With M.J. Cook & S. Nadji) Substituent effects in tautomerism. Part 2. para-Substitution in N-phenylamidines. J. Chem. Soc. Perkin Trans. 2, 211-214.

(491) (With I.D. Blackburne, D.M. Read, P.J. Chivers & T.A. Crabb) The conformational analysis of perhydropyrido[1,2-c][1,3]oxazines, perhydropyrido[1,2-c][1,3]thiazines and perhydropyrido[1,2-c]pyrimidines. J. Chem. Soc. Perkin Trans. 2, 418-423.

(492) (With J. Arriau, A. Dargelos, J. Epsztajn, E. Lunt, J.W. Mitchell, S.Q. Abbas Rizvi & G. Roch) N-Oxides and related compounds. Part 46. Chemical and physical properties of pyridine 1-nitroimides and comparison with quantum chemical predictions. J. Chem. Soc. Perkin Trans. 2, 1245-1248.

(493) (With J. Frank) Tautomeric pyridines. Part 15. Pyridone - hydroxypyridine equilibria in solvents of differing polarity. J. Chem. Soc. Perkin Trans. 2, 1428-1431.

(494) (With I.J. Ferguson & R. Patel) The conformational analysis of saturated heterocycles. Part 76. Ring and nitrogen inversion in cis- and trans-1,4,5,8-tetramethyldecahydropyrazino[2,3-b]pyrazine. J. Chem. Soc. Perkin Trans. 2, 1564-1567.

(495) (With G. Guiheneuf & C. Laurence) 1,3-Dipolar character of six-membered aromatic rings. Part 29. Kinetic rates and equilibria for the addition of 2-π-electron addends to 3-oxidopyridinium betaines. J. Chem. Soc. Perkin Trans. 2, 1829-1831.

Alan Roy Katritzky

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(496) (With I.J. Ferguson & D.M. Read) The conformational analysis of saturated heterocycles. Part 72. Tetrahydro-1,3,4-oxadiazines. J. Chem. Soc. Perkin Trans. 2, 1861-1864.

(497) (With J.C. Cass, R.L. Harlow & S.H. Simonsen) Dearomatisation by use of multifunctional reagents: reaction of bis-(1-chloroformyl)diphenylamine with imidazole derivatives. J. Chem. Soc. Chem. Commun. 48a.

(498) (With F.A.L. Anet, I. Yavari, I.J. Ferguson, M. Moreno-Manas & M.J.T. Robinson) The conformational analysis of saturated heterocycles. Part 79. N-Inversion in hindered piperidines. J. Chem. Soc. Chem. Commun. 399-400.

(499) (With A.S. Afridi & C.A. Ramsden) The 2-pyridone / pyran-2-imine and pyridine-2-thione / thiopyran-2-imine systems; interconversions and characterisation of isomeric species. J. Chem. Soc. Chem. Commun. 899-900.

(500) (With N. Dennis & Y. Takeuchi) Synthetic applications of heteroaromatic betaines with six-membered rings. Angew. Chem., 88, 41-49; Angew. Chem. Int. Ed. 15, 1-9.

(501) (With J. Teysseyre, J. Arriau, A. Dargelos & J. Elguero) Theoretical approach to the problem of HX-Y=Z with X=Y-ZH triad tautomerism. Part 1. Amine - imine (Y = CH, Z = NH) equilibrium. Bull. Soc. Chim. Belges 85, 39.

(502) (With R.A. Cox, R. Steward, M.J. Cook & R.D. Tack) Comparison of methods for pKa determination in strongly basic systems, applied to the deprotonation of some heterocyclic methiodide salts. Can. J. Chem. 54, 900.

(503) Why international collaboration is vital to success in research and graduate training. Chemical Education in Europe, 31.

(504) (With D.E. Weiss) Polymer microstructures and 13C NMR. Chem. in Britain (12), 45. (505) Industrial cooperation and other academic experiments. Chem. in Britain (12), 251. (506) (With J. Lewis, G. Musumarra & C. Öğretir) Sigma constants for the 1-pyrryl group. Chim. Acta

Turcica 4, 71. (507) (With J. Lewis, G. Musumarra & C. Öğretir) Sintesi e basicita di alcune (N-pirril)piridine e composti

correlati. Chim. Ind. (Milan) 381. (508) Eterociclici composti. in Enciclopedia della Chimica, 183. (509) (With L. Angiolini & D.M. Read) The conformational analysis of saturated heterocycles. Part 74. 3-

Alkyltetrahydro-1,3-thiazines. Gazz. Chim. Ital. 106, 111. (510) (With J. Banerji & N. Dennis) Photo-oxidation of 1-methyl-3-oxido-5-phenylpyridinium.

Heterocycles 5, 71. (511) (With V.J. Baker, J.P. Majoral, A.R. Martin & J.M. Sullivan) The conformational analysis of

saturated heterocycles. 77. Rationalization of the equilibria of tetraalkylhexahydro-1,2,4,5-tetrazines. J. Am. Chem. Soc. 98, 5748-5759.

.(512) (With M.J. Cook, M. Taagepera, T.D. Singh & R.W. Taft) The application of ion cyclotron resonance spectroscopic gas-phase basicities to the study of tautomeric equilibria. J. Am. Chem. Soc. 98, 6048-6049.

(513) (With C. Pouchan, A. Dargelos, M. Chaillet & G. Ford) Etude experimentale et théorique des intensités IR de l'isoxazole. J. Mol. Struct. 33, 39.

(514) (With N. Dennis & B. Ibrahim) 1,3-Dipolar character of six-membered aromatic rings. Part 24. Mass spectrometry of 1-aryl-3-oxidopyridinium. Org. Mass Spectrom. 11, 814.

(515) (With N. Dennis & B. Ibrahim) A facile synthesis of (2RS,4aRS,9SR,9aSR)-1,2,4,4a,9,9a-hexahydro-1-aryl-2,9-methanoindeno[2,1-b]pyridin-3-ones. A new ring system. Synthesis, 105.

(516) (With M.P. Carmody, M.J. Cook, N.L. Dassanayake, P. Linda & R.D. Tack) Aromaticity and tautomerism. Part 5. The basicity and aromaticity of pyrrole, furan, thiophene and their benzo derivatives. Tetrahedron 32, 1767-1771.

(517) (With M.J. Cook, A.D. Page, R.D. Tack & H. Witek) Aromaticity and tautomerism. Part 6. Application of pseudo base equilibria in resonance energy determinations. Tetrahedron 32, 1773-1777.

(518) (With N. Dennis, E. Lunt, M. Ramaiah, R.L. Harlow & S.H. Simonsen) 1-Oxido-3-phenylphthalazinium: cycloadditions and novel rearrangements. Tetrahedron Lett. 17, 1569-1572.

(519) (With M.J. Cook, L.G. Hepler & T. Matsuo) Heats of solution and tautomeric equilibrium constants. The 2-pyridone: 2-hydroxypyridine equilibrium in non-aqueous media. Tetrahedron Lett. 17, 2685-2688.

(520) (With A.J. Boulton, J. Epsztajn & P.L. Nie) Allylic and benzylic deamination by thermal cleavage of 1-substituted 1,2-dihydro-2,4,6-triphenylpyridines. Tetrahedron Lett. 17, 2689-2690.

(521) (With J.B. Bapat, R.J. Blade, A.J. Boulton, J. Epsztajn, J. Lewis, P. Molina-Buendia, P.L. Nie & C.A. Ramsden) Pyridines as leaving groups in synthetic transformations: nucleophilic displacements of amino groups, and novel preparations of nitriles and isocyanates. Tetrahedron Lett. 17, 2691-2694.

Alan Roy Katritzky

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(522) (With N. Dennis & G.J. Sabongi) 2π + 8π Cycloaddition reactions of 3-oxidopyridinium betaines. Tetrahedron Lett. 17, 2959-2960.

(523) (With M. Michalska, R.L. Harlow & S.H. Simonsen) Imidazoles and pyrazoles from isonitrosoflavanones and Schiff bases. Tetrahedron Lett. 17, 4333-4336.

(524) (With V.J. Baker, I.J. Ferguson & R. Patel) Conformer populations in tropane, 4-methylmorpholine, and 1,4-dimethylpiperazine. Tetrahedron Lett. 17, 4735-4736.

(525) 1977 (With M.P. Sammes & K.W. Ho) N-Oxides and related compounds. Part 55. 1-Pyridinio-4-pyridone cations and 1-pyridiniopyridinium dications: preparation and reactions. J. Chem. Soc. Perkin Trans. 1, 327-332.

(526) (With A. Banerji & J.C. Cass) Heterocycles in organic synthesis. Part 3. Reversible dearomatisation of azoles: formation of triazabenzophenanthrenes. J. Chem. Soc. Perkin Trans. 1, 1162-1166.

(527) (With A.S. Afridi & C.A. Ramsden) Preparation of N,N'-linked bi(heteroaryls) from dehydroacetic acid and 2,6-dimethyl-4-pyrone. J. Chem. Soc. Perkin Trans. 1, 1428-1436.

(528) (With A.S. Afridi & C.A. Ramsden) N-Oxides and related compounds. Part 57. The synthesis, spectroscopic properties, and chemistry of 4,6-diphenyl-2-pyridones and 4,6-diphenylpyridine-2-thiones and their relation to isomeric species. J. Chem. Soc. Perkin Trans. 1, 1436-1445.

(529) (With J.B. Bapat, J. Epsztajn & B. Plau) N-Oxides and related compounds. Part 58. Some precursors of pyridinium methylide. J. Chem. Soc. Perkin Trans. 1, 1692-1697.

(530) (With N. Dennis, G.J. Sabongi & L. Turker) 1,3-Dipolar character of six-membered aromatic rings. Part 33. Transformation of cycloadducts derived from 3-oxido-1-triazinylpyridiniums. J. Chem. Soc. Perkin Trans. 1, 1930-1940.

(531) (With I.J. Ferguson & D.M. Read) Conformational analysis of saturated heterocycles. Part 78. Passing pyramidal nitrogen inversions in some perhydro-1,3-oxazines and -1,3-diazines. J. Chem. Soc. Perkin Trans. 2, 818-820.

(532) (With U. Gruntz, D.H. Kenny, M.C. Rezende & H. Sheikh) Pyridines as leaving groups in synthetic transformations: conversion of amines into esters. J. Chem. Soc. Chem. Commun. 701.

(533) (With R.D. Topsom) Infrared intensities: a guide to intramolecular interactions in conjugated systems. Chem. Rev. 77, 639-658.

(534) Quantitative aspects of the electrophilic substitution of heteroaromatic compounds. Cronache di Chimica.

(535) (With C. Öğretir) Tiazollerin nitrolanma kinetik ve mekanizmasi. Eskisehir Devlet Muhendislik Mimarlik Akademisi Dergisi, 73.

(536) (With I.J. Ferguson & S. Rahimi-Rastgoo) The conformational analysis of saturated heterocycles. Part 80. Hexahydro-1,3,5-trimethoxy-1,3,5-triazine. Gazz. Chim. Ital. 107, 363.

(537) (With M.J. Cook & G.H. Millet) Sodium 4,6-diphenyl-1-oxido-2-pyridone: reagent for the conversion of primary halides into aldehydes. Heterocycles 7, 227-230.

(538) (With V.J. Baker & F.M.S. Brito-Palma) The conformational analysis of saturated heterocycles. Part 83. Conformational properties of 2-oxa-9,10-diazadecalin. Heterocycles 8, 451-454.

(539) (With M.J. Cook & A.D. Page) The tautomerism of heteroaromatic compounds with five-membered rings. Part 14. Confirmation of the structure of Reissert salts as condensed 5-aminooxazolium cations. J. Am. Chem. Soc. 99, 165-169.

(540) (With J. Banerji, N. Dennis, R.L. Harlow & S.H. Simonsen) 3,10-Dioxa-5,13-diazadiamantanes and related compounds: synthesis and X-ray crystallography. J. Chem. Res. (S), 38; (M) 517.

(541) (With N.F. Eweiss, P.L. Nie & C.A. Ramsden) The Conversion of amines into iodides. Synthesis, 634.

(542) (With P.L. Nie, A. Dondoni & D. Tassi) A new synthesis of diaryl carbodiimides. Synth. Commun. 7, 387.

(543) (With C.B. Theissling, N.M.M. Nibbering, M.J. Cook & S. El-Abbady) Tautomeric equilibria of mercaptopyridines in the gas phase; an ion cyclotron resonance study. Tetrahedron Lett. 18, 1777-1778.

(544) (With R.C. Patel & D.M. Read) The synthesis and conformational analysis of perhydro-1,2,4-triazines and perhydro-1,3,4-thiadiazines and a note on 1-methylmorpholine and 1,4-dimethylpiperazine. Tetrahedron Lett. 18, 3803-3806.

(545) (With H.A. Dowlatshahi) Recent progress in cycloaddition reactions in the field of 3-oxidopyridinium chemistry, in Proc. 6th Internat. Cong. Heterocyclic Chem.

(546) 1978 (With V.J. Baker, I.J. Ferguson, R. Patel & S. Rahimi-Rastgoo) Conformational analysis of saturated heterocycles. Part 84. Conformational consequences of internal β-heteroatoms. Ring and nitrogen inversion in 3,5-dimethyl-1-oxa-3,5-diaza-, 5-methyl-1,3-dioxa-5-aza- and 1,3,5-trimethyl-, -triethyl, -tri-isopropyl- and tri-t-butyl-1,3,5-triazacyclohexanes. J. Chem. Soc. Perkin Trans. 2, 377-381.

(547) (With S. Clementi, G. Milletti & G.V. Sebastiani) Correlation of standard rates for hydrogen exchange and nitration of heteroaromatic compounds. J. Chem. Soc. Perkin Trans. 2, 613-616.

Alan Roy Katritzky

23

(548) (With R. Patel, S. Saba, R.L. Harlow & S.H. Simonsen) Conformational analysis of saturated heterocycles. Part 85. Hydrodipyrido[1,2-b;1',2'-e]-1,4,2,5-dioxadiazine. J. Chem. Soc. Perkin Trans. 2, 818-821.

(549) (With M.J. Cook & S. Nadji) Tautomeric pyridines. Part 22. The effect of intramolecular hydrogen-bonding on the tautomeric structure of 4-amino-1,1-phenanthrolines. J. Chem. Soc. Perkin Trans. 2, 1215-1222.

(550) (With U. Gruntz, N. Mongelli & M.C. Rezende) The conversion of primary aliphatic amines into thiocyanates and thiocarbonate esters. J. Chem. Soc. Chem. Commun. 133-134.

(551) (With N. Dennis & H.A. Dowlatshahi) Novel conversion of a 3-oxidopyridinium into a 4-oxidoisoquinolinium. J. Chem. Soc. Chem. Commun. 316-318.

(552) (With P. Molina, A. Soler & M.J. Vilaplana) Influencia de la temperatura sobre la naturaleza de los productos de termolisis de los derivados N-acilados de la 1-amino-4,6-difenil-2-piridona. Anales Quim. 74, 1125.

(553) (With A. McKillop) Industrial-academic collaboration in organic chemistry. The UEA experiment. Chem. Ind. (London), 946.

(554) (With A. Krutosikova, C.A. Ramsden & J. Lewis) Studies on some 2,4,6-triphenylpyridinium betaines and related species. Coll. Czech. Chem. Commun. 43, 2046-2053.

(555) (With G.P. Ford & R.D. Topsom) Substituent effects in olefinic systems. Correlation Analysis in Chemistry: Recent Advances, 269.

(556) (With R. Patel) Synthesis and conformational analysis of tetrahydro-1,2,5-oxadiazines. Heterocycles 9, 263-266.

(557) (With N. Dennis & H.A. Dowlatshahi) 1,3-Dipolar character of six-membered aromatic rings. Part 39. 1,ω-Bis-(3-oxidopyridinio)alkanes. J. Chem. Res. (S) 102; (M) 1182.

(558) (With B. El-Osta, G. Musumarra & C. Öğretir) 1,3-Dipolar character of six-membered aromatic rings. Part 41. Kinetic rates of cycloadditions with olefinic dipolarophiles. J. Chem. Res. (S), 322; (M) 4073.

(559) (With J.B. Bapat, R.M. Claramunt-Elguero, F. Yates, A. Dinculescu, A.T. Balaban & F. Chîraleu) Reactions of pyrylium salts with aliphatic diamines and chloro- and hydroxy-amines. J. Chem. Res. (S), 305; (M) 4783.

(560) (With N. Dennis & M. Ramaiah) 1,3-Dipolar character of six-membered aromatic rings. Part 37. Mass spectrometry of diazinium betaines. J. Indian Chem. Soc. 55, 1235.

(561) (With G.H. Millet, R.H.M. Noor & F.S. Yates) Heterocycles in organic synthesis. Part 11. reactions of heteroaromatic N-oxides with pyridine and diazoles. J. Org. Chem. 43, 3957-3960.

(562) (With A. McKillop) Zusammenarbeit Industrie-Universitat. Nachrichten, 579. (563) (With A.S. Afridi & C.A. Ramsden) Preparation of some novel pyridone derivatives. Pakistan J. Sci.

Ind. Res. 21, 1. (564) (With S.B. Brown) A mild, high-yield procedure for the conversion of benzyl halides to

benzaldehydes. Synthesis, 619. (565) (With A.V. Chapman, M.J. Cook, M.H. Abraham, A.F. Danil de Namor, L. Dumont & J. Reisse)

Aromaticity and tautomerism. Part 7. Empirical resonance energy and conjugation energy of pyrazole and isoxazole from heats of dehydration data. Tetrahedron 34, 1571-1575.

(566) 1979 (With J. Banerji, A. Boonyarakvanich, A. Cutler, N. Dennis, S.Q.A. Rizvi, G.J. Sabongi & H. Wilde) 1,3-Dipolar Character of six-membered aromatic rings. Part 34. The search for superior 1-substituents to facilitate cycloadditions of 3-oxidopyridiniums. J. Chem. Soc. Perkin Trans. 1, 399-407.

(567) (With N. Dennis, M. Chaillet, C. Larrieu & M. El Mouhtadi) 1,3-Dipolar character of six-membered aromatic rings. Part 38. FMO Treatment of peri-, site-, regio-, and stereo-selectivity, and relative reaction rates of cycloaddition reactions. J. Chem. Soc. Perkin Trans. 1, 408-417.

(568) (With J.B. Bapat, R.J. Blade, B.P. Leddy, P.L. Nie, C.A. Ramsden & S.S. Thind) Heterocycles in organic synthesis. Part 6. Nucleophilic displacements of primary amino-groups via 2,4,6-triphenylpyridinium Salts. ) J. Chem. Soc. Perkin Trans. 1, 418-425.

(569) (With M.F. Abdel-Megeed, G. Lhommet & C.A. Ramsden) Heterocycles in organic synthesis. Part 7. Synthesis of furfuryl derivatives via 2,4,6-trisubstituted pyridinium salts J. Chem. Soc. Perkin Trans. 1, 426-429.

(570) (With U. Gruntz, D.H. Kenny, M.C. Rezende & H. Sheikh) Heterocycles in organic synthesis. Part 10. The conversion of amines into esters. J. Chem. Soc. Perkin Trans. 1, 430-432.

(571) (With N.F. Eweiss & P.L. Nie) Heterocycles in organic synthesis. Part 16. The conversion of aliphatic, aromatic and heteroaromatic primary amines into iodides. J. Chem. Soc. Perkin Trans. 1, 433-435.

(572) (With U. Gruntz, A.A. İkizler, D.H. Kenny & B.P. Leddy) Heterocycles in organic synthesis. Part 17. Conversion of primary amines into bromides and chlorides. J. Chem. Soc. Perkin Trans. 1, 436-442.

(573) (With J. Lewis & P.L. Nie) Heterocycles in organic synthesis. Part 18. The replacement of an amino-group by hydrogen via dihydropyridines. J. Chem. Soc. Perkin Trans. 1, 442-445.

Alan Roy Katritzky

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(574) (With J. Lewis & P.L. Nie) Heterocycles in organic chemistry. Part 19. Thermolysis of pyridinium N-acylimines: a new preparation of isocyanates. J. Chem. Soc. Perkin Trans. 1, 446-450.

(575) (With N. Dennis, G.J. Sabongi & L. Turker) 1,3-Dipolar character of six-membered aromatic rings. Part 43. Cycloadditions leading to tricyclic adducts. J. Chem. Soc. Perkin Trans. 1, 1525-1535.

(576) (With C.W.F. Leung & M.P. Sammes) Synthetic Applications of N,N-linked heterocycles. Part 4. The reaction between 1-pyridinio-4-pyridone cations and cyanide ion: mechanism of cyanopyridine formation, and a regioselective synthesis of 4-cyanopyridines. J. Chem. Soc. Perkin Trans. 1, 1698-1702.

(577) (With U. Gruntz, N. Mongelli & M.C. Rezende) Heterocycles in organic synthesis. Part 22. The conversion of amines to thiocarbonate esters and thiocyanates. J. Chem. Soc. Perkin Trans. 1, 1953-1956.

(578) (With P. Molina-Buendia) Heterocycles in organic synthesis. Part 23. 1-Amino-4,6-diphenyl-2-pyridone: a new reagent for the conversion of aldehydes to nitriles. J. Chem. Soc. Perkin Trans. 1, 1957-1960.

(579) (With P.L. Nie, A. Dondoni & D. Tassi) Heterocycles in organic synthesis. Part 24. A new synthesis of N,N'-diarylcarbodiimides. J. Chem. Soc. Perkin Trans. 1, 1961-1963.

(580) (With M.J. Cook, S.B. Brown, R. Cruz, G. Millet & A. Anani) Heterocycles in organic synthesis. Part 25. Reagents for the conversion of halides into aldehydes and ketones. J. Chem. Soc. Perkin Trans. 1, 2493-2499.

(581) (With M.J. Cook, A. İkizler & G.H. Millet) Heterocycles in organic synthesis. Part 26. Conversion of primary amines into aldehydes. J. Chem. Soc. Perkin Trans. 1, 2500-2501.

(582) (With J. Banerji, N. Dennis, J. Ellison, G.J. Sabongi & E.U. Wurthwein) 1,3-Dipolar character of six-membered aromatic rings. Part 44. Further examples of troponoid synthesis. J. Chem. Soc. Perkin Trans. 1, 2528-2534.

(583) (With S.I. Bayyuk, N. Dennis, G. Musumarra & E.U. Wurthwein) 1,3-Dipolar character of six-membered aromatic rings. Part 45. Photochemically-induced dimerisation of 1-vinyl- and 1-heteroaryl-3-oxidopyridiniums and related compounds. J. Chem. Soc. Perkin Trans. 1, 2535-2541.

(584) (With V.J. Baker, I.J. Ferguson & R.C. Patel) The conformational analysis of saturated heterocycles. Part 87. Carbon 13 nuclear magnetic resonance studies of 1,3-diazines and some bi- and tri-cyclic analogues. J. Chem. Soc. Perkin Trans. 2, 143-150.

(585) (With A. Banerji, B.S. El-Osta, I.R. Parker & C.A. Ramsden) Kinetics and displacement reactions with pyridines as both a leaving group and a nucleophile. J. Chem. Soc. Perkin Trans. 2, 690-693.

(586) (With I.J. Ferguson & R.C. Patel) The conformational analysis of saturated heterocycles. Part 89. Conformational analysis of trans-1,2,3,4,5,6-hexamethyl-1,2,4,5-tetraazacyclohexane. J. Chem. Soc. Perkin Trans. 2, 981-983.

(587) (With R.C. Patel) The conformational analysis of saturated heterocycles. Part 90. Syntheses and conformational analysis of 1,2,4-trimethyl- and 1,2,3,4-tetramethyl-1,2,4-triazacyclohexanes J. Chem. Soc. Perkin Trans. 2, 984-992.

(588) (With R.C. Patel) The conformational analysis of saturated heterocycles. Part 91. Synthesis and conformational equilibria of 1-oxa-2,5-diazacyclohexanes. J. Chem. Soc. Perkin Trans. 2, 993-998.

(589) (With V.J. Baker, F.M.S. Brito-Palma, J.M. Sullivan & R.B. Finzel) The conformational analysis of saturated heterocycles. Part 92. Conformational equilibria of 1,2-dioxa-4,5-diazacyclohexanes. J. Chem. Soc. Perkin Trans. 2, 1133-1136.

(590) (With H. Beltrami & M.P. Sammes) Preparation of 4-aryl- and 4-heteroaryl-pyridines. regiospecific nucleophilic attack γ to a quaternary nitrogen atom. J. Chem. Soc. Chem. Commun. 137-138.

(591) (With S.S. Thind) Steric acceleration in the decomposition of pyridinium cations: a safe alternative to the diazonium conversion of aryl amines into aryl thiocyanates. J. Chem. Soc. Chem. Commun. 138.

(592) (With A. Chermprapai & R.C. Patel) Heterocycles in synthesis. Part 32. Preparation of alkyl and benzyl fluorides from the corresponding primary amines. J. Chem. Soc. Chem. Commun. 238a.

(593) (With Z. Zakaria, E. Lunt, P.G. Jones & O. Kennard) The photocyclisation of 1,2-diarylpyridinium cations and the photobiscyclisation of 1,2,6-triarylpyridinium cations. J. Chem. Soc. Chem. Commun. 268-269.

(594) (With K. Horvath & B. Plau) Heterocycles in synthesis. Part 30. Reductive deamination of alkyl and aryl primary amines via 1,4-dihydropyridines and a note on the mechanism of reductive deamination of benzylamine via a 1,2-dihydropyridine. J. Chem. Soc. Chem. Commun. 300-301.

(595) (With C.A. Ramsden, Z. Zakaria, R.L. Harlow & S.H. Simonsen) Reactions of pyridinium salts and pyridinium betaines with hydrogen peroxide: novel ring transformations to pyrroles, β-hydroxylation, and ring-opening. J. Chem. Soc. Chem. Commun. 363-364.

(596) (With A.V. Chapman, M.J. Cook & G.H. Millet) Novel thermal and photochemical rearrangements of N-substituted 2-pyridones. J. Chem. Soc. Chem. Commun. 395-396.

Alan Roy Katritzky

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(597) (With M. Shanta) Oxidative demethylation of α- and γ-methyl-N-heterocyclonium salts: A new method for preparation of N-substituted α- and γ-oxo-N-heterocycles. J. Chem. Soc. Chem. Commun. 552.

(698) (With G. de Ville & R.C. Patel) Carbon-alkylation of simple nitronate anions. J. Chem. Soc. Chem. Commun. 602a.

(599) (With R.C. Patel & F.G. Riddell) N-Methyl inversion barriers in six-membered rings. J. Chem. Soc. Chem. Commun. 674-675.

(600) (With A. Maquestiau, Y. van Haverbeke, R. Flammang, H. Mispreuve, J. Ellison, J. Frank & Z. Meszaros) A novel mass-spectroscopic technique for the investigation of vapour-phase tautomeric equilibria. J. Chem. Soc. Chem. Commun. 888.

(601) (With A.J. Boulton) Heterocyclic synthesis by rearrangement. Advan. Pesticide Sci. Part 2 (H. Geissbühler, ed.) Pergamon Press, 58-64.

(602) (With H. Beltrami, J.G. Keay, D.N. Rogers, M.P. Sammes, C.W.F. Leung & C.M. Lee) Regiospecific nucleophilic attack at the γ-position of 1-(2,6-dimethyl-4-oxo-1,4-dihydro-1-pyridyl)pyridinium compounds; novel synthesis of 4-substituted pyridines. Angew. Chem. 91, 856-857; Angew. Chem. Int. Ed. 18, 792-793.

(603) (With A. Maquestiau, Y. van Haverbeke, R. Flammang, H. Mispreuve, J. Ellison, J. Frank & Z. Meszaros) Tautomeric pyridines. Part 25. Ionisation chimique d'hydroxypyridines. Bull. Soc. Chim. Belges 88, 395.

(604) (With R.T.C. Brownlee & G. Musumarra) The reaction of 2,4,6-triarylpyrylium cations with methoxide ion. Heterocycles 12, 775.

(605) (With N. Dennis & Y. Takeuchi) Synthetic applications of heteroaromatic betaines with six-membered rings. New Synthetic Methods, 241.

(606) (With N. Dennis) Recent progress in the cycloaddition reactions of 3-oxidopyridinium betaines and analogous compounds. In New Trends in Heterocyclic Chemistry (B.D. Tilak, ed.) 290-308.

(607) (With N. Dennis & G.J. Sabongi) 13C NMR spectra of 8-aryl-8-azabicyclo(3.2.1)oct-3-en-2-ones and related compounds. Org. Magnetic Reson. 12, 357-361.

(608) (With M. Abdallah, S. Bayyuk, A.M.A. Bolouri, N. Dennis & G.J. Sabongi) 1,3-Dipolar character of six-membered aromatic rings. Part 47. Betaines derived from 3-hydroxypyridine and β-chloro-α-unsaturated ketones. Polish J. Chem. 53, 57.

(609) (With A.M. El-Mowafy & R.C. Patel) Convenient preparations of ω-substituted picoline N-oxides utilising triphenylpyridinium intermediates. Rec Trav. Chim. Pays-Bas 98, 302.

(610) (With K. Horvath & B. Plau) The Conversion of primary aliphatic amines into chlorides by reaction with 2,4,6-triphenylpyrylium chloride. Synthesis, 437-438.

(611) (With F.G. Riddell, E.S. Turner, R.C. Patel & F.M.S. Brito-Palma) The synthesis and conformational analysis of tetrahydro-1,2,4-oxadiazines. Tetrahedron, 35, 1391-1398.

(612) (With A.T. Cutler, N. Dennis, S. Rahimi-Rastgoo, G.J. Sabongi, I.J. Fletcher & G.W. Fischer) O,2-Cycloaddition an 3-Oxidopyridinium betaine. Zeitschr. Chem. 19, 20.

(613) 1980 (With N. Dennis & H.A. Dowlatshahi) 1,3-Dipolar character of six-membered aromatic rings. Part 48. Novel conversions of pyridines to isoquinolines. J. Chem. Soc. Perkin Trans. 1, 331-342.

(614) (With A. Boonyarakvanich & N. Dennis) 1,3-Dipolar character of six-membered aromatic rings. Part 49. 3-Oxido-1-(4-pyridyl)pyridinium, 3-oxido-1-(2-pyridyl)pyridinium, 3-oxido-1-(quinoxalin-2-yl)pyridinium, 3-oxido-1-(5,6-diphenyl-1,2,4-triazin-3-yl)pyridinium, and 3-oxido-1-(5-phenyl-1,2,4-triazin-3-yl)pyridinium. J. Chem. Soc. Perkin Trans. 1, 343-353.

(615) (With M. Michalska, R.L. Harlow & S.H. Simonsen) Cycloaddition reactions of isonitrosoflavanone esters with Schiff bases and with heteroaromatic rings. J. Chem. Soc. Perkin Trans. 1, 354-361.

(616) (With S. Rahimi-Rastgoo, G.J. Sabongi & G.W. Fischer) 1,3-Dipolar character of six-membered aromatic rings. Part 51. Cycloadditions of 1-(β-benzoylvinyl)-3-oxidopyridiniums and subsequent transformations. J. Chem. Soc. Perkin Trans. 1, 362-371.

(617) (With G. Liso, E. Lunt, R.C. Patel, S.S. Thind & A. Zia) Heterocycles in organic synthesis. Part 42. Preparation of azides, phthalimides and sulphonamides from primary amines. J. Chem. Soc. Perkin Trans. 1, 849-851.

(618) (With S.S. Thind) Heterocycles in organic synthesis. Part 36. An alternative to the Gattermann reaction for the conversion of anilines into thiocyanates. J. Chem. Soc. Perkin Trans. 1, 865-868.

(619) (With A.T. Cutler, N. Dennis, G.J. Sabongi, S. Rahimi-Rastgoo, G.W. Fischer & I.J. Fletcher) 1,3-Dipolar character of six-membered aromatic rings. Part 52. 2π + 8π Cycloaddition reactions of 1-substituted 3-oxidopyridinium betaines. J. Chem. Soc. Perkin Trans. 1, 1176-1184.

(620) (With B.J. Graphakos, G. Lhommet & K. Reynolds) Heterocycles in organic synthesis. Part 13. The reaction of 2,4-diphenylthiopyrylium perchlorate with amines. J. Chem. Soc. Perkin Trans. 1, 1345-1346.

Alan Roy Katritzky

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(621) (With C.A. Ramsden, Z. Zakaria, R.L. Harlow & S.H. Simonsen) Heterocycles in organic synthesis. Part 40. Oxidation of 2,4,6-triarylpyridinium betaines and 2,4,6-triarylpyridinium perchlorates by hydrogen peroxide. J. Chem. Soc. Perkin Trans. 1, 1870-1878.

(622) (With Z. Zakaria & E. Lunt) The photocyclisation of 1,2-diarylpyridinium cations and the photobiscyclisation of 1,2,6-triarylpyridinium cations. J. Chem. Soc. Perkin Trans. 1, 1879-1887.

(623) (With R.C. Patel & M. Shanta) 2- and 4-Pyridones by oxidative demethylation of 2- and 4-methylpyridinium cations. J. Chem. Soc. Perkin Trans. 1, 1888-1889.

(624) (With F. Al-Omran, R.C. Patel & S.S. Thind) Improved methods for conversion of primary amines into bromides. J. Chem. Soc. Perkin Trans. 1, 1890-1894.

(625) (With S.S. Thind) The synthesis and reactions of sterically constrained pyrylium and pyridinium salts. J. Chem. Soc. Perkin Trans. 1, 1895-1900.

(626) (With C.M. Lee & M.P. Sammes) Synthetic applications of N-N linked heterocycles. Part 8. Regiospecific synthesis of 4-(α-acylalkyl)pyridines by attack of lithium enolates of ketones γ to N-(2,6-dimethyl-4-oxopyridin-1-yl)pyridinium salts. J. Chem. Soc. Perkin Trans. 1, 2458-2462

(627) (With H. Beltrami & M.P. Sammes) Synthetic applications of N-N linked heterocycles. Part 7. The preparation of 4-alkyl- and 4-aryl-pyridines by regiospecific attack of Grignard reagents γ to quaternary nitrogen in N-(2,6-dimethyl-4-oxopyridin-1-yl)pyridinium salts. J. Chem. Soc. Perkin Trans. 1, 2480-2484.

(628) (With K. Horvath & B. Plau) Reductive deamination of primary amines. J. Chem. Soc. Perkin Trans. 1, 2554-2560.

(629) (With A.V. Chapman, M.J. Cook & G.H. Millet) N-Oxides and related compounds. Part 60. Novel thermal and photochemical rearrangements of N-substituted 2-pyridones. J. Chem. Soc. Perkin Trans. 1, 2743-2754.

(630) (With J. Arrowsmith, Zakaria bin Bahari, C. Jayaram, T. Siddiqui & S. Vassilatos) α-(4,6-Diphenyl-2-oxo-1-pyridyl)benzyllithiums and their reactions with electrophiles. J. Chem. Soc. Perkin Trans. 1, 2851-2855.

(631) (With A. Chermprapai & R.C. Patel) The preparation of primary alkyl and benzyl fluorides from the corresponding primary Amines. J. Chem. Soc. Perkin Trans. 1, 2901-2903.

(632) (With S.S. Thind) Quaternisation of 1,4-diazabicyclo(2,2,2)octane and of hexamethylenetetramine by N-substituted pyridiniums, and oxidation of N-substituents. J. Chem. Soc. Perkin Trans. 2, 51.

(633) (With V.J. Baker, F.M.S. Brito-Palma, R.C. Patel, G. Pfister-Guillouzo & C. Guimon) Photoelectron spectroscopic studies of some 1-oxa-3,4-diaza-, 1-thia-3,4-diaza-, 1,2,4-triaza-, and 1,2,4,5-tetraaza-cyclohexanes. J. Chem. Soc. Perkin Trans. 2, 91-95.

(634) (With R.C. Patel) The conformational analysis of saturated heterocycles. Part 95. Synthesis and conformational analysis of 3,4-dimethyl-, 2,3,4-trimethyl-, and 2,2,3,4-tetramethyl-1-thia-3,4-diazacyclohexanes. J. Chem. Soc. Perkin Trans. 2, 279-285.

(635) (With V.J. Baker, M. Camalli, R. Spagna & A. Vaciago) X-ray crystal structures of 1,2,4,5-tetraazacyclohexanes: molecular dimensions for examples of three out of the four conformations existing in solution. J. Chem. Soc. Perkin Trans. 2, 1733-1738.

(636) (With V.J. Baker & F.M.S. Brito-Palma) The conformational analysis of saturated heterocycles. Part 100. 1-Oxa-3-azacyclohexanes. J. Chem. Soc. Perkin Trans. 2, 1739-1745.

(637) (With V.J. Baker, F.M.S. Brito-Palma, I.J. Ferguson & L. Angiolini) The conformational analysis of saturated heterocycles. Part 101. 1,3-Diazacyclohexanes and 1-thia-3-azacyclohexanes. J. Chem. Soc. Perkin Trans. 2, 1746-1751.

(638) (With R.H. Manzo, J.M. Lloyd & R.C. Patel) Mechanism of the pyrylium - pyridinium ring interconversion. mild preparative conditions for conversion of amines into pyridinium cations. Angew. Chem. 92, 315-316; Angew. Chem. Int. Ed. 19, 306.

(639) (With R.C. Patel, F.M.S. Brito-Palma, F.G. Riddell & E.S. Turner) Carbon-13 variable temperature nmr studies of some dimethyl-1-oxa-3,4-diazacyclohexanes. Israel J. Chem., 20, 150-152.

(640) (With M. Abdallah, A.T. Cutler, N. Dennis, S.K. Parton, S. Rahimi-Rastgoo, G.J. Sabongi, H.J. Salgado-Zamora & E.U. Wurthwein) 1,3-Dipolar character of six-membered aromatic rings. Part 53. 1-(1-Oxido-4-pyridyl)-3-oxidopyridinium, 2-(5-nitro-2-pyridyl)-4-oxidoisoquinolinium and 2-(trans-3-(4-chlorophenyl)-3-oxoprop-1-enyl)-4-oxidoisoquinolinium. J. Chem. Res. (S), 249, (M), 3337.

(641) (With M.C. Rezende & S.S. Thind) The conversion of amino into sulphur functionality. J. Chem. Res. (S), 309, (M), 4037.

(642) (With A.M. El-Mowafy, L. Marzorati, R.C. Patel & S.S. Thind) The preparation of 2,4,6-triphenylpyrylium trifluoromethanesulphonate, fluorosulphonate, ethoxysulphonate, naphthalene-2-sulphonate, stannichloride, trichloroacetate, and trifluoroacetate, and their reactions with primary amines. J. Chem. Res. (S), 310-311, (M), 4001.

(643) (With M.C. Rezende) Heterocyclic analogues of 2,4,6-triphenylpyrylium and 1-benzyl-2,4,6-triphenylpyridinium. J. Chem. Res. (S), 312, (M), 4041

Alan Roy Katritzky

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(644) (With L. Marzorati) Conversion of primary amines into nitrate esters. J. Org. Chem. 45, 2515-2516. (645) (With K. Bruzik, J. Michalski & W.J. Stec) P-31 NMR reinvestigation of iodine-oxidation process of

dialkyl phosphoroselenothioates. Polish J. Chem. 54, 141. (646) (With D. Winwood & N.E. Grzeskowiak) Synthesis of 3,4,5-trisubstituted-2(3H)-thiazolethiones via

metallation of 3,4-disubstituted-2(3H)-thiazolethiones. Synthesis, 800. (647) Conversions of primary amino groups into other functionality mediated by pyrylium cations.

Tetrahedron, 36, 679-699. (648) (With R.T.C. Brownlee & G. Musumarra) A C-13 Study of the reaction of 2,4,6-triarylpyrylium

cations with amines. Tetrahedron 36, 1643-1647. (649) (With G.Z. de Ville & R.C. Patel) The SRN2 mechanism of nucleophilic substitution. Tetrahedron

Lett. 21, 1723-1726. (650) (With G. Musumarra, K. Sakizadeh, S.M.M. El-Shafie & B. Jovanovic) Unimolecular and

bimolecular transfer of N-substituents from pyridinium cations: evidence for a clear mechanistic changeover. Tetrahedron Lett. 21, 2697-2699.

(651) (With G. Musumarra & K. Sakizadeh) Nucleophilic displacement of N-benzyl groups: effect of pyridinium on rates and mechanism. Tetrahedron Lett. 21, 2701-2703.

(652) (With N.E. Grzeskowiak, H.J. Salgado & Zakaria bin Bahari) Products from metallation and attempted metallation of 1-alkyl-4,6-diphenyl-2-pyridones and subsequent reaction with electrophiles. Tetrahedron Lett. 21, 4451-4454.

(653) 1981 (With J.G. Keay, D.N. Rogers, M.P. Sammes & C.W.F. Leung) Synthetic applications of N-N linked heterocycles. Part 9. Preparation of α-(4-pyridyl)nitroalkanes and N-(4-pyridyl)azoles by regiospecific attack of nitroalkyl and azolyl anions on N-(2,6-dimethyl-4-oxopyridin-1-yl)pyridinium salts. J. Chem. Soc. Perkin Trans. 1, 588-582.

(654) (With S.S. Thind) Reactions of N-substituted pyridinium cations with carbanions: 5,6,8,9-tetrahydro-7-phenyl bis-benzo[a,h]acridine, a superior leaving group. J. Chem. Soc. Perkin Trans. 1, 661-663.

(655) (With J.G. Keay & M.P. Sammes) Synthetic applications of N-N linked heterocycles. Part 11. Regiospecific synthesis of dialkyl pyridin-4-yl-, quinolin-4-yl-, and isoquinolin-l-yl-phosphonates. J. Chem. Soc. Perkin Trans. 1, 668-671.

(656) (With N.E. Grzeskowiak & J. Alvarez-Builla) Preparation of tetrahydroindolizines from pyridium and isoquinolinium ylides. J. Chem. Soc. Perkin Trans. 1, 1180-1185.

(657) (With A. Saba & R.C. Patel) A two-stage conversion of primary-alkyl primary-amines into alcohols and further examples of transfunctionalisation of amines under mild conditions. J. Chem. Soc. Perkin Trans. 1, 1492-1494.

(658) (With P. Ballesteros & A. Tarraga Tomas) Reactions of pyryliums with mono- and asym-di-substituted hydrazines. J. Chem. Soc. Perkin Trans. 1, 1495-1500.

(659) (With M.P. Sammes, C.W.F. Leung & C.K. Mak) synthetic applications of N-N linked heterocycles. Part 12. the preparation of 4-alkylthio-and 4-arylthio-pyridines by regiospecific attack of thioalkoxide ions on N-(4-oxopyridin-l-yl)pyridinium salts. J. Chem. Soc. Perkin Trans. 1, 1585-1590.

(660) (With M.P. Sammes & C.M. Lee) Synthetic applications of N-N linked heterocycles. Part 14. The preparation of α-(4-pyridyl) esters and α-(4-pyridyl) nitriles by regiospecific attack of ester and nitrile anions on pyridinium salts. J. Chem. Soc. Perkin Trans. 1, 2476-2482.

(661) (With M.P. Sammes & C.W.F. Leung) Synthetic applications of N-N linked heterocycles. Part 16. Reactions between carbanions derived from carbon acids with pKa 7-14 and N-(2,6-dimethyl-4-oxopyridin-1-yl)pyridinium tetrafluoroborate: Synthesis of 4-substituted pyridines and observation of pyridine ring opening reactions. J. Chem. Soc. Perkin Trans. 1, 2835-2839.

(662) (With R.H. Manzo) Kinetics and mechanism of the reactions of primary amines with pyrylium cations. J. Chem. Soc. Perkin Trans. 2, 571-575.

(663) (With A.M. El-Mowafy) Heterocycles in organic synthesis. The conversion of primary amines into olefins: a mild alternative to the Hofmann elimination. J. Chem. Soc. Chem. Commun. 96.

(664) (With A.V. Chapman & H.M. Dowlatshahi) The preparation of arylglyoxals and heteroaromatic aldehydes using Pyridona. Acta Chim. Acad. Sci. Hung. 107, 315-319.

(665) (With M.H. Ibrahim, J.-Y. Valnot & M.P. Sammes) Synthetic applications of N-N linked heterocycles. Part 10. Preparation of novel N-N linked biheteroaryl monocations, their reactions with nucleophiles, and electrophilic reactions of some dihydro-derivatives. J. Chem. Res. (S), 70-71.

(666) (With P. Ballesteros) 1-Amino-2,4,6-triphenylpyridinium tetrafluoroborates. J. Chem. Res. (S), 172-173.

(667) (With N.E. Grzeskowiak) 1,3-Dipolar character of six-membered aromatic rings. Part 55. 3-Hydroxypyridine-2-thiones: betaines, cycloadditions, and other reactions. J. Chem. Res. (S), 208-209.

(668) (With R.C. Patel & F.G. Riddell) N-Methyl inversion barriers in six-membered rings. Angew. Chem. Int. Ed. 20, 521-529.

Alan Roy Katritzky

28

(669) (With J.M. Lloyd & R.C. Patel) 13C NMR study of reactions of primary amines with pyrylium cations. Chem. Scr. 18, 256.

(670) (With K. Burgess & R.C. Patel) The synthesis of condensed quinolizinium systems. Heterocycles 15, 1175-1178.

(671) (With G. Pfister-Guillouzo, C. Guimon, J. Frank & J. Ellison) Tautomeric pyridines. Part 26. A photoelectron spectral study of the vapour phase tautomerism of 2- and 4-quinolone. Liebigs Ann. Chem.1981, 366-375.

(672) (With G. Musumarra, K. Sakizadeh & M. Misic-Vukovic) Kinetics and mechanisms of nucleophilic displacements with heterocycles as leaving Groups. 1. 1-Benzyl-2,4,6-triphenylpyridinium. J. Org. Chem. 46, 3820-3823.

(673) (With A.M. El-Mowafy, G. Musumarra, K. Sakizadeh, C. Sana-Ullah, S.M.M. El-Shafie & S.S. Thind) Kinetics and mechanisms of nucleophilic displacements with heterocycles as leaving groups. 2. N-Benzylpyridinium cations: rate variation with steric effects in the leaving group. J. Org. Chem. 46, 3823-3830.

(674) (With G. Musumarra & K. Sakizadeh) Kinetics and mechanisms of nucleophilic displacements with heterocycles as leaving groups. 3. N-(Substituted benzyl)-2,4,6-triphenylpyridiniums: effects of benzyl substitution on first- and second-order rates. J. Org. Chem. 46, 3831-3835.

(675) (With J. Ellison, J. Frank, P. Rakoczy, L. Radics & E. Gacs-Baitz) C-13 NMR Spectra of 4-quinolones and related compounds. Org. Magnetic Reson. 16, 280-284

(676) (With B.A. Boyce & N. Dennis) 1,3-Dipolar character of six-membered aromatic rings. Part 54. 1-(α-p-Nitrophenyl-β-m-nitrophenylvinyl)-3-oxidopyridinium. Polish J. Chem. 55, 1351-1362.

(677) (With J. Ellison, J. Frank & Z. Meszaros) Tautomeric pyridines. Part 24. Tautomeric equilibria for 3-ethoxycarbonyl-, 3-ethoxycarbonyl-6,7-methylenedioxy-, and 3-cyano-4-quinolone. Rec. Trav. Chim. Pays-Bas 100, 30-34.

(678) (With S. Rahimi-Rastgoo & N.K. Ponkshe) 3-Lithiated pyridines and their reactions with electrophiles. Synthesis 1981, 127-129.

(679) (With A. Prout, B.J. Agha & M. Alajarin-Ceron) The preparation of 1,4-diarylpyridinium salts. Synthesis 1981, 959-961.

(680) (With R.T. Langthorne, R.C. Patel & G. Lhommet) Transformations of pyridiniums derived from aminoalcohols and from diamines. Novel ring closures. Tetrahedron 37, 2383-2390.

(681) (With A. Chermprapai, S. Bravo & R.C. Patel) Reductive deamination of aryl- and heteroaryl-amines via pyridinium fluorides. Tetrahedron 37, 3603-3607.

(682) (With N.K. Ponkshe) The imino-Wittig rearrangement. Tetrahedron Lett. 22, 1215-1216. (683) (With B. Fuchs, S. Weinman, U. Shmueli & R.C. Patel) trans-1,4,5,8-Tetracarboethoxy- and -1,4,5,8-

tetramethyl-1,4,4,8-tetraazadecalin. Tetrahedron Lett. 22, 3541-3544. (684) 1982 (With J.M. Lloyd & R.C. Patel) The preparation of pyridiniums from pyryliums. J. Chem. Soc. Perkin

Trans. 1, 117-123. (685) (With E.M. Elisseou, R.C. Patel & B. Plau) Preparation and reactions of pyrylium salts containing α-

pyridyl groups. J. Chem. Soc. Perkin Trans. 1, 125-130. (686) (With Abid Zia) Reactions of five-membered heteroaromatic oxonium cations with amines. J. Chem.

Soc. Perkin Trans. 1, 131-136. (687) (With R.C. Patel & Abid Zia) 2-(2-Nitrophenyl)oxaheterocycloniums: potential reagents for oxidative

deamination of primary amines. J. Chem. Soc. Perkin Trans. 1, 137-142. (688) (With J. Arrowsmith, N.E. Grzeskowiak, H.J. Salgado & Zakaria bin Bahari) Heterocycle stabilized

carbanions. Two series of anomalous products from 1-alkyl-4,6-diphenyl-2-pyridones. J. Chem. Soc. Perkin Trans. 1, 143-151.

(689) (With H.J. Salgado, A. Chermprapai & N.K. Ponkshe) Metallation studies with pyrimidines. J. Chem. Soc. Perkin Trans. 1, 153-158.

(690) (With L. Ürögdi & R.C. Patel) The chemistry of some bicyclic pyridinium anhydrobases. J. Chem. Soc. Perkin Trans. 1, 1349-1353.

(691) (With J.M. Lloyd) One-pot conversions of amines into olefins via non-isolated pyridinium intermediates. J. Chem. Soc. Perkin Trans. 1, 2347-2352.

(692) (With W.K. Yeung & R.C. Patel) Reactions of 1-alkoxycarbonylpyridinium salts with nucleophiles: stereoelectronic restrictions on carbonyl activation of α-nucleophilic attack. J. Chem. Soc. Perkin Trans. 1, 2365-2368.

(693) (With T. Siddiqui) Intramolecular reactions of pyridinium-2-carbonyl azides: conversion of amines into aldehydes. J. Chem. Soc. Perkin Trans. 1, 2953-2956.

(694) (With J. Adamson, E.M. Elisseou, G. Musumarra, R.C. Patel, K. Sakizadeh & W.K. Yeung) Kinetics and mechanisms of nucleophilic displacements with heterocycles as leaving groups. Part 4. 2,4,6-Triaryl-N-benzylpyridinium cations: rate variation with electronic effects in the leaving group. J. Chem. Soc. Perkin Trans. 2, 1041-1048.

Alan Roy Katritzky

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(695) (With G. Musumarra, F.P. Ballistreri, S. Muratore & S. Wold) Kinetics and mechanisms of nucleophilic displacements with heterocycles as leaving groups. Part 5. Solvent effects. J. Chem. Soc. Perkin Trans. 2, 1049-1054.

(696) (With W.H. Basinski, Y.X. Ou, G. Musumarra & R.C. Patel) Kinetics and mechanisms of nucleophilic displacements with heterocycles as leaving groups. Part 6. Reactions of N-(substituted benzyl)azaheterocyclonium compounds with piperidine. J. Chem. Soc. Perkin Trans. 2, 1055-1060.

(697) (With M.P. Sammes) The 2H- and 3H-pyrroles. Adv. Heterocycl. Chem. 32, 233-284. (698) (With G. Musumarra) Nucleophilic displacements with pyridine, quinoline and acridine leaving

groups: rate variation with structure of the N-substituent. Bull. Soc. Chim. Belges 91, 417. (699) (With O. Rubio-Teresa & R.C. Patel) The synthesis of N-vinylpyridiniums. Chem. Scr. 20, 147-154. (700) (With C. Öğretir) The Kinetic Nitration and basicity of 1,2,4-triazol-5-ones. Chim. Acta Turcica 10,

137-146. (701) (With A. Tarraga Tomas) Pyrazolo[1,5-c]pyrimidines from pyrylium salts and amidrazones and

pyridine imidoyl-N-imides from imidoyl chlorides. Heterocycles 18, 21-28. (702) (With N.E. Grzeskowiak, T. Siddiqui, C. Jayaram & S.N. Vassilatos) Stabilisation of carbanionic

centres by neutral N-heterocyclic rings. J. Chem. Res. (S), 26-27. (703) (With N.E. Grzeskowiak, M. Alajarin-Ceron, Zakaria bin Bahari, H.A. Beltrami & J.G. Keay)

Reactions of the 1-amino-2,4,6-triphenylpyridinium cation. J. Chem. Res. (S), 208-209; (M) 2164. (704) (With K. Burgess & R.C. Patel) Pyridiniums as potential synthetic substitutes for nitrogen mustards.

J. Heterocycl. Chem. 19, 741-745. (705) (With A. Chermprapai, R.C. Patel & A. Tarraga-Tomas) Pyridinium ylides derived from pyryliums

and amines and a novel rearrangement of 1-vinyl-1,2-dihydropyridines. J. Org. Chem. 47, 492-497. (706) (With R. Awartani & R.C. Patel) Deethoxycarbonylation of 2-(ethoxycarbonyl)pyridinium salts with

primary amines and competing SNANRORC reactions. J. Org. Chem. 47, 498-502. (707) (With A.M. El-Mowafy) Pyrylium-mediated conversion of primary alkyl primary amines into olefins

via tetrahydrobenzoacridiniums: a mild alternative to the Hofmann elimination J. Org. Chem. 47, 3506-3511.

(708) (With A.M. El-Mowafy) Solvolysis of N-(n-alkyl)acridiniums in phenol and carboxylic acids. primary carbonium ions as possible intermediates. J. Org. Chem. 47, 3511-3517.

(709) (With D. Winwood & N.E. Grzeskowiak) Novel ring opening of aminoheterocycles: facile syntheses of ω-alkylaminopentadienenitriles. Tetrahedron 38, 1169-1174.

(710) (With R. Awartani) Thermal rearrangement of pyridinium anhydrobases: migration of N-substituents to methine carbon. Tetrahedron 38, 2505-2512.

(711) (With G.Z. de Ville, R.C. Patel & R. Harlow) A 1,4-photochemical aryl shift. Tetrahedron Lett. 23, 1241-1242.

(712) (With R.D. Topsom) Some applications of infrared intensities to the study of intramolecular interactions in organic chemistry. in Vibrational Intensities in Infrared and Raman Spectroscopy, 337.

(713) (With W.J. Schultz) Polymers containing 2,5-oxolanylene segments; 2,5-oxolanylene unit-containing polymers (GEP).U.S. Patent 82GEP2725281.

(714) 1983 (With C.M. Marson, S.S. Thind & J. Ellison) The synthesis of some highly strained pyrylium and N-benzylpyridinium salts and kinetics of their reactions with piperidine. J. Chem. Soc. Perkin Trans. 1, 487-496.

(715) (With N.E. Grzeskowiak, N.F. Eweiss & E. Elsherbini) Triphenylpyridinium derivatives of α-amino acids and a dipeptide. J. Chem. Soc. Perkin Trans. 1, 497-500.

(716) (With M.P. Sammes, K.W. Ho & M.L. Tam) Synthetic applications of N-N linked heterocycles. Part 15. A facile synthesis of 4-pyridyl(aryl)amines via the reaction between 4-chloro-1-pyridinio-pyridinium salts and arylamines. J. Chem. Soc. Perkin Trans. 1, 973-978.

(717) (With S. Bravo-Borja, J. Marquet & M.P. Sammes) Quaternary salts of 2H-imidazoles. J. Chem. Soc. Perkin Trans. 1,2065-2069

(718) (With R.T. Langthorne, H.A. Muathin & R.C. Patel) Nucleophilic displacements of N-aryl and heteroaryl Groups. Part 1. Pyrylium-mediated transformation of anilines into phenols. J. Chem. Soc. Perkin Trans. 1, 2601-2604.

(719) (With R.T. Langthorne) Nucleophilic displacements of N-aryl and heteroaryl groups. Part 2. Pyrylium-mediated transformations of anilines into aryl-sulphur functionality. J. Chem. Soc. Perkin Trans. 1, 2605-2609.

(720) (With A.J. Cozens) Nucleophilic displacements of N-aryl and heteroaryl groups. Part 3. Pyrylium-mediated synthesis of unsymmetrical diarylamines from anilines. J. Chem. Soc. Perkin Trans. 1, 2611-2615.

(721) (With B.J. Agha, R. Awartani & R.C. Patel) Nucleophilic displacements of N-aryl and heteroaryl groups. Part 4. Pyrylium-mediated transformations of heteroarylamines into pyridinium salts and their inter- and intra-molecular displacement. J. Chem. Soc. Perkin Trans. 1, 2617-2621.

Alan Roy Katritzky

30

(722) (With R. Awartani) Nucleophilic displacement of N-aryl and heteroaryl groups. Part 5. Conversion of 2-aminopyridines into 2-pyridones. J. Chem. Soc. Perkin Trans. 1, 2623-2627.

(723) (With D.E. Leahy, A. Maquestiau & R. Flammang) Solution and gas-phase basicities of pyridines with bulky α-substituents. J. Chem. Soc. Perkin Trans. 2, 45-48.

(724) (With Y.X. Ou, J. Ellison & G. Musumarra) Kinetics and mechanisms of nucleophilic displacements with heterocycles as leaving groups. Part 8. Conductimetric and spectrophotometric rate constants for the reactions of pyridinium and related cations with piperidine in chlorobenzene. J. Chem. Soc. Perkin Trans. 2, 1421-1426.

(725) (With K. Sakizadeh, Y.X. Ou, B. Jovanovic, G. Musumarra, F.P. Ballistreri & R. Crupi) Kinetics and mechanisms of nucleophilic displacements with heterocycles as leaving groups. Part 9. N-Substituted 2,4,6-triphenylpyridiniums, 5,6-dihydro-2,4-diphenyl-benzo[h]quinoliniums and 5,6,8,9-tetrahydro-7-phenyldibenzo[c,h]acridiniums: kinetic rate variation with structure of the N-substituent. J. Chem. Soc. Perkin Trans. 2, 1427-1434.

(726) (With J. Marquet, J.M. Lloyd & J.G. Keay) Kinetics and mechanisms of nucleophilic displacements with heterocycles as leaving groups. Part 10. Reactions of s-alkyl primary amines with pyryliums. J. Chem. Soc. Perkin Trans. 2, 1435-1441.

(727) (With J. Marquet & M.L. Lopez-Rodriguez) Kinetics and mechanisms of nucleophilic displacements with heterocycles as leaving groups. Part 11. r* Plots for the solvolysis of 1-s-alkyl-5,6-dihydro-2,4-diphenylbenzo[h]quinolinium cations. J. Chem. Soc. Perkin Trans. 2, 1443-1448.

(728) (With Y.X. Ou & G. Musumarra) Kinetics and mechanisms of nucleophilic displacements with heterocycles as leaving groups. Part 12. Regio- and stereo-chemistry of nucleophilic displacement and solvolysis reactions of N-(α-methylallyl)- and N-(α-phenylethyl)-pyridiniums. J. Chem. Soc. Perkin Trans. 2, 1449-1453.

(729) (With C.M. Marson) Kinetics and mechanisms of nucleophilic displacements with heterocycles as leaving groups. Part 13. Penta- and nona-cyclic derivatives. J. Chem. Soc. Perkin Trans. 2, 1455-1461.

(730) (With J.Z. Brzezinski, Y.X. Ou & G. Musumarra) Kinetics and mechanisms of nucleophilic displacements with heterocycles as leaving groups. Part 14. The preparation and reactions of some further α-heteroarylpyridinium salts. J. Chem. Soc. Perkin Trans. 2, 1463-1469.

(731) (With G. Ferguson, K.J. Fisher, B.E. Ibrahim, C.Y. Ishag, G.M. Iskander & M.Parvez) An unusual furan cycloadduct from N-phenylbetaine and dimethyl acetylenedicarboxylate. The crystal and molecular structure of dimethyl 5-(3-N-phenyliminoprop-1-enyl)furan-2,3-dicarboxylate. J. Chem. Soc. Chem. Commun. 1216-1217.

(732) (With M.P. Sammes) The 3H-pyrazoles. Advan. Heterocycl Chem. 34, 1-52. (733) (With M.P. Sammes) The 4H-pyrazoles. Advan. Heterocycl Chem. 34, 53-78. (734) (With A.M. El-Mowafy & B. Leddy) Elimination reactions of pyridinium cations. Arab Gulf J. Sci.

Res., 85-96. (735) (With S.J. Cato, B. Gabrielsen & R.C. Patel) 4-Carboxy-2,6-diarylpyridinium derivatives. Chem. Scr.

20, 236-240. (736) (With W.K. Yeung, R.C. Patel & K. Burgess) Preparation and reactions of 1-cyanomethyl-2,4,6-

trisubstituted pyridinium ylids. Heterocycles 21, 623. (737) (With J.N. Singh) Pyrylium mediated transformations of neopentylamine. Indian J. Chem. 60, 421-

424. (738) (With M. Akram Kashmiri, G.Z. de Ville & R.C. Patel) Kinetics and mechanism of the C-alkylation

of nitroalkane anions by 1-alkyl-2,4,6-triphenylpyridiniums: a nonchain reaction with radicaloid characteristics. J. Am. Chem. Soc. 105, 90-96.

(739) (With C.M. Marson) Synthesis of a dodecahydro-18,21-dioxoniakekulene. J. Am. Chem. Soc. 105, 3279-3283.

(740) (With E.M. Elisseou, G. Bashiardes & R.C. Patel) 2- and 4-(α-Substituted-aryl)pyridines as leaving groups in SN2 Reactions and radicaloid nucleophilic displacements. J. Chem. Res. (S), 27.

(741) (With O. Rubio) A convenient synthesis of N-vinylpyridinium perchlorate and a study of N-vinylpyridinium cations as Michael reaction acceptors. J. Org. Chem. 48, 4017-4021.

(742) (With N.E. Grzeskowiak & D. Winwood) Carbanions stabilised by simple pyridone and hydroxypyridine substituents. J. Mol. Sci., 71-79.

(743) (With N.E. Grzeskowiak, J. Alvarez-Builla & A. Tarraga-Tomas) Michael reactions of pyridinium-1-alkylacetamides. J. Prakt. Chem. 329, 177-187.

(744) (With S.N. Vassilatos & M. Alajarin-Ceron) Rotational equilibria in 1,2,6-trisubstituted pyridinium cations and reactions of 2-isopropylpyrylium cations. Org. Magnetic Res. 16, 587-595.

(745) (With B.J. Agha, G.Z. de Ville, E. Lunt & M.L. Podmore) Spectroscopic elucidation of pseudo-base formation from benzo[1,2]quinolizino[3,4,5,6-def]phenanthrindyliums. Org. Magnetic Res. 16, 649-656.

Alan Roy Katritzky

31

(746) (With N. Dabbas, R.C. Patel & A.J. Cozens) The conversion of primary amines into nitrones: an extension of the Kröhnke reaction. Rec. Trav. Chim. Pays-Bas 102, 51-54.

(747) (With H.M. Faid-Allah) The conversion of pyridinium-2-carboxylates into 2-thioxo-1,2-dihydropyridines (pyridine-2-thiones).Synthesis, 149-152.

(748) (With R. Awartani) The preparation of unsubstituted pyridinium salts from primary amines. Synthesis, 507-509.

(749) (With C. Jayaram & S.N. Vassilatos) α-Lithiation of N-alkyl groups in pyrazoles. Tetrahedron 39, 2023-2029.

(750) (With A.E. Abdel-Rahman, D.E. Leahy & O.A. Schwarz) The lithiation of gem-bis(pyrazol-1-yl)alkanes. Tetrahedron 39, 4133-4142.

(751) (With M. De Rosa & N.E. Grzeskowiak) Synthesis and hydrolysis of a new water-soluble pyrylium cation. Proc. Internat. Congress Heterocycl. Chem. 539.

(752) (With B.J. Graphakos, G.A.F. Lhommet & K. Reynolds) Thiopyrylium sensitizing dyes. U.S. Patent 83USP4368329A.

(753) 1984 (With K.W. Law, T.F. Lai, M.P. Sammes & C.W. Mak) The synthesis and chemistry of azolenines. Part 2. A general synthesis of pyrrole-2-carboxylic acid derivatives by the reaction of 2H-azirines with enamines, and the crystal and molecular structure of ethyl 3-phenyl-4,5,6,7-tetrahydroindole-2-carboxylate. Chem. Soc. Perkin Trans. 1, 111-118.

(754) (With O. Rubio, J.M. Aurrecoechea & R.C. Patel) Reactions of pyridiniums ylides with aldehydes and with Michael acceptors. Chem. Soc. Perkin Trans. 1, 941-945.

(755) (With J.N. Lam & O. Rubio) The synthesis and chemistry of azolenines. Part 3. Some reactions of 4H-pyrazole quaternary salts. Chem. Soc. Perkin Trans. 1, 947-952.

(756) (With S. Bravo-Borja, A.M. El-Mowafy & M.L. Lopez-Rodriguez) Replacement of primary amino groups by hydrogen via tetrahydrodibenzacridinium salts. Chem. Soc. Perkin Trans. 1, 1671-1673.

(757) (With M.L. Lopez-Rodriguez & J. Marquet) Kinetics and mechanisms of nucleophilic displacements with heterocycles as leaving groups. Part 15. Dependence of mechanism of solvolysis of pyridinium cations on solvent character: evidence from rates, ρ* values, and product analysis. Chem. Soc. Perkin Trans. 2, 349-354.

(758) (With M. De Rosa & N.E. Grzeskowiak) Pyrylium-mediated transformations of natural products. Part 1. Synthesis and hydrolysis of 4-(4-methoxy-3-sulphophenyl)-2,6-bis-(4-sulphophenyl)pyrylium perchlorate: a new water-soluble pyrylium cation. Chem. Soc. Perkin Trans. 2, 841-847.

(759) (With J.L. Mokrosz & M. De Rosa) Pyrylium-mediated transformations of natural products. Part 2. Reaction of 4-(4-methoxy-3-sulphophenyl)-2,6-bis-(4-sulphophenyl)pyrylium perchlorate with primary amines. Chem. Soc. Perkin Trans. 2, 849-855.

(760) (With Y.K. Yang, B. Gabrielsen & J. Marquet) Pyrylium-mediated transformations of natural products. Part 3. Synthesis of water-soluble pyrylium salts and their preparative reactions with amines. Chem. Soc. Perkin Trans. 2, 857-866.

(761) (With D.E. Leahy) Pyrylium-mediated transformations of natural products. Part 4. Reactions of water-soluble pyrylium salts with water and with amines. Chem. Soc. Perkin Trans. 2, 867-873.

(762) (With J.L. Mokrosz & M.L. Lopez-Rodriguez) Pyrylium-mediated transformations of natural products. Part 5. Reactions of gelatin and chymotrypsin with 4-(4-methoxy-3-sulphophenyl)-2,6-bis-(4-sulphophenyl)pyrylium perchlorates. Chem. Soc. Perkin Trans. 2, 875-878.

(763) (With Y.K. Yang, J. Ellison & J. Marquet) Pyrylium-mediated transformations of natural products. Part 6. Preparation of pyridinium salts derived from aminoglycosides. Chem. Soc. Perkin Trans. 2, 879-884.

(764) (With Y.K. Yang) Pyrylium-mediated transformations of natural products. Part 7. Displacement of the N-substituents of pyridinium ions in aqueous solution: replacement of the ω-amino group of lysine, and of the terminal amino group of glycylglycine. Chem. Soc. Perkin Trans. 2, 885-889.

(765) (With M.P. Sammes & P.N. Maini) The synthesis of 1-acyl-1H-pyrroles from cyclic 2-(acylmethyl)-1,3-diketones via rearrangement involving transannular interaction. Chem. Soc. Chem. Commun. 354-355.

(766) (With M.P. Sammes) The 2H-Imidazoles. Adv. Heterocycl. Chem. 35, 375-412. (767) (With M.P. Sammes) The 4H-Imidazoles. Adv. Heterocycl. Chem. 35, 413-450. (768) (With T.A. Crabb) Conformational equilibria in nitrogen-containing saturated six-membered rings.

Adv. Heterocycl. Chem. 36, 1-173. (769) (With C.M. Marson) Pyrylium mediated transformations of primary amino groups into other

functional groups. Angew. Chem. 96, 403-413; Angew. Chem. Int. Ed. 23, 420-429. (770) (With B. Nowak-Wydra & O. Rubio) Reactions of 4-dimethylaminopyridine with electrophiles.

Chem. Scr. 22, 7-10. (771) (With H.M. Faid-Allah, H. Aghabozorg & G.J. Palenik) The structures of the oxidation products of

semicarbazones and thiosemicarbazones. Chem. Scr. 22, 134-139.

Alan Roy Katritzky

32

(772) (With A.J. Cozens & A. Saba) Xanthylium-mediated synthesis of aliphatic aldehydes and nitro compounds from primary amines. Chem. Scr. 22, 140-142.

(773) (With G. Musumarra) New insights into aliphatic nucleophilic substitution reactions from the use of pyridines as leaving groups. Chem. Soc. Revs 13, 47-68.

(774) (With B.J. Agha, G.Z. de Ville & E. Lunt) Photocyclisations of 1,2-diaryl- and photobicyclisations of 1,2,6-triaryl-pyridiniums. Chem. Heterocycl. Comp. (Russian) 1984, 1509.

(775) (With C.A. Drum) Review literature of heterocycles. in Comprehensive Heterocyclic Chemistry 1, 47-82.

(776) (With J.M. Lagowski) Structure of five-membered rings with two or more heteroatoms. in Comprehensive Heterocyclic Chemistry 4, 1-38.

(777) (With J.M. Lagowski) Reactivity of five-membered rings with two or more heteroatoms. in Comprehensive Heterocyclic Chemistry 4, 39-110.

(778) (With O.A. Schwarz, O. Rubio & D.G. Markees) The synthesis and reactions of 1-(2-propynyl)pyridinium salts. Helv. Chim. Acta 67, 939-946.

(779) (With M.J. Mokrosz) The preparation of some 1-vinylpyridinium salts. Heterocycles 22, 505-512. (780) (With O. Rubio, R. Awartani, N. Latif, N. Mishriky & F.M. Assad) A novel preparation of the 1,3-

benzoxazepine ring system. Heterocycles, 22, 1155-1159. (781) (With G. Palenik, D. Pyzalska, H. Aghabozorg & O. Rubio) X-Ray crystallographic structures of 9-

methyl-3-oxa-2,6,8-triphenyl-5-azatricyclo[4,2,1,0]non-7-ene, 6-hydroxy-1,6,7-triphenyl-azabicyclo[3,3,0]octa-2,7-diene and 6-hydroxy-4-methyl-1,6,7-triphenylazabicyclo[3,3,0]oct-7-ene: products formed by rearrangements of N-vinylpyridinium pseudobases. Heterocycles, 22, 717-720.

(782) (With K. Sakizadeh & B. Gabrielsen) Identification of classical SN2 and ion-molecule pair mechanisms in the second order piperidine displacement of pyridines from N-benzylpyridinium cations. J. Am. Chem. Soc. 106, 1879-1880.

(783) (With Z. Dega-Szafran, M.L. Lopez-Rodriguez & R.W. King) Kinetics and mechanisms of nucleophilic displacement with heterocycles as leaving groups. Part 17. Solvolysis of 14-(primary alkyl)-5,6,8,9-tetrahydro-7-phenyldibenzo[c,h]acridiniums: rates, identification of products, activation parameters, and a general discussion on mechanism. J. Am. Chem. Soc. 106, 5577-5585.

(784) (With O. Rubio, M. Szajda & B. Nowak-Wydra) The preparation of 1-t-alkylpyridinium salts. J. Chem. Res. (S), 234.

(785) (With R. Murugan & K. Sakizadeh) Reactions of arylamines with cheledonic acid. J. Heterocycl. Chem. 21, 1465-1467.

(786) (With O.A. Schwarz, A.E. Abdel Rahman & D.E. Leahy) Synthesis of fluorescent and coloured pyrylium and pyridinium salts. J. Heterocycl. Chem. 21, 1673-1677.

(787) (With O. Rubio) Conversions of N-vinylpridinium cations into tricyclic cage compounds. J. Org. Chem. 49, 448-454.

(788) (With K. L. Busch, B.H. Hsu, K.V. Wood, R.G. Cooks & C.G. Schwarz) Characterization of organic cations of synthetic interest by desorption ionization and tandem mass spectrometry. J. Org. Chem. 49, 764-769.

(789) (With G.R. Khan & D.E. Leahy) The preparation and characterization of some N-chloro-2- and N-chloro-4-pyridones. J. Org. Chem. 49, 4784-4786.

(790) (With M. Akram Kashmiri & D.K. Wittmann) The C-alkylation of nitroalkane anions by 1-substituted 2-t-butyl-4-phenyl- and 2,4-diphenyl-5,6-dihydrobenzo[h]quinolinium cations. Tetrahedron 40, 1501-1510.

(791) (With G.R. Khan & O.A. Schwarz) Pyridylethylation: a new protection method for active hydrogen compounds. Tetrahedron Lett. 25, 1223-1226.

(792) Introduction, in Life and Science – Chemistry Today. (Ed. Martin Sherwood) pp. 1-5. (793) 1985 (With E. Laurence & C. Laurence) Etude cinetique et thermodynamique d'une reaction reversible:

cycloaddition de l`acrylate de methyle sur une betaine. Actualité Chimique, 144. (794) (With M.P. Sammes & M.W.L. Chung) The synthesis and chemistry of azolenines. Part 4.

Preparation and rearrangement of some 3,5-diaryl-2H-pyrrole-2,2-dicarboxylic esters. J. Chem. Soc. Perkin Trans. 1, 1773-1779.

(795) (With M. Szajda) SN2 Type substitution reactions of 1-diphenylamino- and 1-carbazol-9-yl-pyridinium cations. J. Chem. Soc. Perkin Trans. 1, 2155-2157.

(796) (With W.K. Yeung, A.J. Cozens, O. Rubio & A. Saba) Nucleophilic displacements of N-aryl and heteroaryl groups. Part 6. The rearrangement of 1-aryl-5,6,7,8-tetrahydro-8-oximino-2,6-diphenylquinolinium cations. J. Chem. Soc. Perkin Trans. 1, 2159-2165.

(797) (With A.J. Cozens, A.Ossana, O. Rubio & N. Dabbas) Some novel reactions of pyridinium-2-carboxylate betaines. J. Chem. Soc. Perkin Trans. 1, 2167-2172.

(798) (With M.L. Lopez-Rodriguez, J.G. Keay & R.W. King) Nucleophilic displacement with heterocycles as leaving groups. Part 16. Reactions of secondary alkyl primary amines with 5,6,8,9-tetrahydro-7-

Alan Roy Katritzky

33

phenyldibenzo[c,h]xanthylium trifluoromethanesulphonate to give intermediates solvolysing without rearrangement. J. Chem. Soc. Perkin Trans. 2, 165-169.

(799) (With D.E. Leahy) Kinetics and mechanism of the pyrylium to pyridinium cation transformation in dichloromethane. J. Chem. Soc. Perkin Trans. 2, 171-174.

(800) (With M.P. Sammes, T.F. Lai, R. Murugan & H. Luce) Synthetic applications of N-N linked heterocycles. Part 17. The crystal and molecular structures of N-(4-oxopyridin-1-yl-pyridinium tetrafluoroborate, and its 2,6-dimethyl analogue: evidence for steric hindrance to approach by nucleophiles at the pyridinium α positions in the latter, and a note of protonation effects on chemical shifts. J. Chem. Soc. Perkin Trans. 2, 573-579.

(801) (With A. Gonzalez-Gazulla) Pyrylium-mediated transformations of natural products. Part 8. Kinetics of nucleophilic displacements with pyridines as leaving groups in aqueous solution. J. Chem. Soc. Perkin Trans. 2, 1613-1618.

(802) (With T.I. Yousaf) Pyrylium-mediated transformations of natural products. Part 9. The effect of temperature and ionic strength on the mechanism and rate of reactions of pyridinium ions in aqueous solution. J. Chem. Soc. Perkin Trans. 2, 1619-1621.

(803) (With G. Musumarra, M. Bruno, K. Sakizadeh, S. Alunni & S. Clementi) Kinetics and mechanisms of nucleophilic displacements with heterocycles as leaving groups. Part 19. Chemometric investigation of the simultaneous dependence of SN2 rates on alkyl group structure and leaving group nucleofugacity. J. Chem. Soc. Perkin Trans. 2, 1887-1894.

(804) (With Z. Dega-Szafran & M. Szafran) Kinetics and mechanisms of nucleophilic displacements with heterocycles as leaving groups. Part 20. Aggregation of some quaternary pyridinium salts in chlorobenzene. J. Chem. Soc. Perkin Trans. 2, 1895-1897.

(805) (With J.C. Cass, R.L. Harlow, S.H. Simonsen & M.P. Sammes) X-Ray crystal structures of a hexacyclic diacylguanidinium cation and related esters. Structural effects of the triaminomethane to guanidinium oxidation. Chem. Scr. 23, 376-385.

(806) (With K. Sakizadeh & G. Musumarra) Kinetics and mechanism of nucleophilic displacements at sp3 hybridized carbon atoms with heterocyclic leaving groups. Heterocycles, 1765.

(807) (With S. Bayyuk) Novel rearrangement of a 3-amino-1,3-thiazole-2-thione. Heterocycles, 3099-3106. (808) (With D.E. Leahy) The basicities of 4-(substituted phenyl)-2,6-diphenylpyridines. J. Chem. Res. (S)

28-29. (809) (With H. Faid-Allah) The nitration of 3,5- and 2,6-diphenyl-4-pyrone. J. Heterocycl. Chem. 22, 1333-

1335. (810) (With W.H. Ramer & A. Ossana) Nucleophilic additions to N-propargylpyridinium and N-

allenylpyridinium salts and to 1,3-propenediylbis(pyridinium) salts. J. Org. Chem. 50, 847-852. (811) (With W.H. Ramer) Heterocyclic ynammonium salts. J. Org. Chem. 50, 852-856. (812) (With F. Saczewski & C.M. Marson) α-Lithiation of N-alkylcarbazoles: preparation of N-(E)-

styrylcarbazole. J. Org. Chem. 50, 1351-1355. (813) (With M.P. Sammes & K.W. Ho) Synthetic applications of N-N linked heterocycles. Part 18.

Substituent effects on the C-13 NMR spectra in N-(4-arylimino-2,6-dimethylpyridin-1-yl)pyridinium bistetrafluoroborates, and some variable temperature H-1 NMR measurements. Magn. Reson. Chem. 23, 720-724.

(814) US views of British university research. Nature 313, 535-536. (815) (With P. Molina, M. Alajarin & M.J. Vilaplana) One-pot conversion of alkyl halides into thiols under

mild conditions. Tetrahedron Lett. 26, 469-472. (816) (With C.M. Marson) A stable 3-methylene-1,4-cyclohexadiene: A non-aromatic tautomer of a simple

benzene. Tetrahedron Lett. 26, 4715-4718. (817) (With K. Akutagawa) Carbon dioxide: A reagent for the protection of nucleophilic centres and the

simultaneous activation of alternative locations to electrophilic attack. Part I. A new synthetic method for the 2-substitution of 1-unsubstituted indoles. Tetrahedron Lett. 26, 5935-5938.

(818) (With G. Musumarra) A contribution to the diversity of nucleophilicity: a study of neutral leaving groups as a probe into the mechanism of nucleophilic substitution at an sp3 -hybridised carbon atom. in Proceedings of the National Seminar on Linear Free Energy Relationships (Correlation Analysis).

(819) (With B.L. Duell) Synthesis of catalytically active surfactants. in Proceedings of the Scientific Conference on Chemical Defense Research (Edgewood Arsenal, November 1984), and American Chemical Society Meeting 1985.

(820) (With F. Saczewski & C.M. Marson) α-Lithiation of N-alkylcarbazoles: Preparation of N-(E)-styrylcarbazole, in American Chemical Society Meeting.

(821) (With M.L. Lopez-Rodriguez & H. Schultz) Kinetics and mechanism of nucleophilic displacements with heterocycles as leaving groups. Part 22. Reactions with a variety of different nucleophiles and a study of the effect of substrate concentration and gegen ion on the rate. in American Chemical Society Meeting.

Alan Roy Katritzky

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(822) 1986 (With C.M. Marson, J.L. Chen, F. Saczewski & R.W. King) Identification of the products of solvolysis of N-benzylpyridinium cations in the absence of nucleophiles. J. Chem. Soc. Perkin Trans. 2, 1331-1336.

(823) (With C.A. Drum) Advances in Heterocyclic Chemistry: prospect and retrospect. Advan. Heterocycl. Chem. 40, 1-24.

(824) (With B. Brycki) Kinetics and mechanism of nucleophilic displacements with heterocycles as leaving groups. Part 23. Studies at the borderlines between reactions proceeding (i) via free carbocations, (ii) via rate-determining formation of ion-molecule pairs, and (iii) via rate-determining nucleophilic attack on ion–molecule pairs. Can. J. Chem. 64, 1161-1169.

(825) (With T.I. Yousaf) A C-13 nuclear magnetic resonance study of the pyrimidine synthesis by the reactions of 1,3-dicarbonyl compounds with amidines and ureas. Can. J. Chem. 64, 2087-2093.

(826) (With H. Faid-Allah, H. Wilde & G.J. Sabongi) Cycloaddition reactions involving two heterocyclic rings. Preparation of novel triazolonaphthyridine ring systems. Croat. Chem. Acta 59, 27-32.

(827) (With F. Lehr & M. Greve) Synthese von 6-Alkyl-, 6-Aryl-, und 6-Heteroaryl-2,4-dichlor-1,3,5-triazinderivaten und ihre Verwendung als Reaktivsysteme für Baumwoll-Reaktivfarbstoffe. Dyes Pigments 7, 419-443.

(828) (With R. Awartani, H. Faid-Allah, B.J. Agha, G. Palenik & M. Gawron) A novel dimerization of a pyridinium ring involving linkage of the 2,5-positions of one ring to the 4',3'-positions of another. Heterocycles 24, 387-392.

(829) (With H.M. Faid-Allah, H. Luce, M. Karelson & G.P. Ford) The electrophilic substitution of heteroaromatic compounds. Part 53. The experimental orientation in the electrophilic substitution of 1-phenylpyridinium cations, and a theoretical treatment of electrophilic substitution orientations in N-phenyl heterocycles. Heterocycles 24, 2545-2552.

(830) (With K. Dill & R.D. Carter) Structural elucidation of the reductive methylation byproduct of glycophorin AM. Int. J. Biol. Macromol. 8, 318-320.

(831) (With M. Karelson & M.C. Zerner) Reaction field effects on the electron distribution and chemical reactivity of molecules. Int. J. Quantum Chem. 30 (S20), 521-527.

(832) (With F. Saczewski & C.M. Marson) The structural elucidation of oligomeric blue dyes derived from 9-alkylcarbazoles. Israel J. Chem. 27, 111-116.

(833) (With K. Akutagawa) Activation of the 2-alkyl group of a 2-alkylindole toward proton loss and subsequent electrophilic substitution. J. Am. Chem. Soc. 108, 6808-6809.

(834) (With M.C. Zerner & M.M. Karelson) A quantitative assessment of the merostabilization energy of carbon-centered radicals. J. Am. Chem. Soc. 108, 7213-7214.

(835) (With B. Brycki) Rates and mechanism for the solvolysis of N-tert-alkylpyridinium cations in a variety of solvents. J. Am. Chem. Soc. 108, 7295-7299.

(836) (With S. Sengupta & A. Dinculescu) Studies of Some novel pyrylium salts. J. Heterocycl. Chem. 23, 169-171.

(837) (With D.K. Wittmann, J.L. Chen, C.M. Marson & A. Ossana) Nucleophilic displacements of N-aryl and heteroaryl groups. Part 8. Intermolecular reactions of N-aryl-pyridinium, quinolinium, and -acridinium salts with nucleophiles. J. Heterocycl. Chem. 23, 865-870.

(838) (With K.C. Caster, O. Rubio & O. Schwarz) Isomers and aza-analogues of indoxyl containing nitrogen at a ring-fusion position: coupling reactions with electrophiles and attempted oxidations. J. Heterocycl. Chem. 23, 1315-1325.

(839) (With J.L. Chen, D.K. Wittmann & C.M. Marson) Formation of σ and π or charge-transfer complexes from pyridinium cations. J. Org. Chem. 51, 2481-2485.

(840) (With P. Barczynski, D.L. Ostercamp & T.I. Yousaf) Mechanisms of heterocyclic ring formations. Part 4. A C-13 NMR study of the reactions of β-keto esters with hydroxylamine. J. Org. Chem. 51, 4037-4042.

(841) (With I. Takahashi & C.M. Marson) 2-(4-Pyridyl)ethyl as a protective group for sulfur functionality. J. Org. Chem. 51, 4914-4920.

(842) (With K.S. Laurenzo) Direct amination of nitrobenzenes by vicarious nucleophilic substitution. J. Org. Chem. 51, 5039-5040.

(843) (With J.K. Rasmussen, S.M. Heilmannn, L.R. Krepski, H.K. Smith & K. Sakizadeh) Poly(2-imidazolin-5-ones). A new class of heterocyclic polymers. J. Polym. Sci. Part A, 24, 2739-2747.

(844) (With M.P. Sammes & K.W. Law) C-13 NMR chemical shift assignments for some 1H-pyrrole-2-carboxylic acid derivatives. Magn. Reson. Chem. 24, 827-833.

(845) (With M. Szajda & S. Bayyuk) The preparation of some N-and S-acetals of benzaldehyde and terephthalaldehyde. Synthesis, 804-807.

(846) (With J.K. Rasmussen, L.R. Krepski, S.M. Heilmannn & K. Sakizadeh) Polyimidazolinones via thermal cyclodehydration of polyamides containing α-amino acid units. Technical Awareness Gazette, 4961.

Alan Roy Katritzky

35

(847) (With J.L. Chen, C.M. Marson, A.M. Maia & M. Akram Kashmiri) The non-chain radicaloid C-alkylation of nitronate anions: further evidence for the mechanism. Tetrahedron 42, 101-108.

(848) (With T.I. Yousaf, B.C. Chen & G.Z. Zeng) An H-1, C-13 and N-15 NMR study of the Paal-Knorr condensation of acetonylacetone with primary amines. Tetrahedron 42, 623-628.

(849) (With K. Akutagawa) Carbon dioxide: a reagent for the protection of nucleophilic centres and the simultaneous activation of electrophilic attack. Part 2. A new synthetic method for the 1-substitution of 1,2,3,4-tetrahydroisoquinolines. Tetrahedron 42, 2571-2574.

(850) (With W.Q. Fan & K. Akutagawa) Carbon dioxide: a reagent for the simultaneous protection of nucleophilic centres and the activation of alternative locations to electrophilic attack. Part 3. A new synthetic method for the ortho-substitution of N-monoalkylanilines. Tetrahedron 42, 4027-4034.

(851) (With D.L. Ostercamp & T.I. Yousaf) The mechanism of the Hantzsch pyridine synthesis: a study by N-15 and C-13 NMR spectroscopy. Tetrahedron 42, 5729-5738.

(852) The non-chain radicaloid mechanism of some nucleophilic substitution reactions. NATO Advanced Workshop.

(853) (With H.D. Durst, R. Seiders, J. Albizo, P.S. Hammond, J. Forster, A. Farmer & B.L. Duell) Hydrolysis of fluorophosphonates and other derivatives. Symposium on Amphibious Operations in a Chemical Environment.

(854) (With J.K. Rasmussen, L.P. Krepski, S.M. Heilmannn, K. Sakizadeh & H.K. Smith) Polyimidazolinones via thermal cyclodehydration of polyamides containing α-amino acid units. American Chemical Society Meeting.

(855) (With S.J. Cato, J.K. Rasmussen, L.R. Krepski & S.M. Heilmannn) Triazolinethione-containing polymers. U.S. Patent 86USP4624995.

(856) 1987 (With J.M. Aurrecoechea & L.M. Vazquez de Miguel) Carbanions derived from 2-alkylthio-benzothiazoles. A novel α-lithiomethyl mercaptan synthon for mercaptomethylation. J. Chem. Soc. Perkin Trans. 1, 769-774.

(857) (With W.H. Ramer & J.N. Lam) The lithiation of 1-(phenylthiomethyl)benzimidazole and related compounds. J. Chem. Soc. Perkin Trans. 1, 775-780.

(858) (With S.Rachwal, K.C. Caster, F. Manhi, K.W. Law & O. Rubio) The chemistry of N-substituted benzotriazoles. Part 1. 1-(Chloromethyl)benzotriazole. J. Chem. Soc. Perkin Trans. 1, 781-789.

(859) (With S. Rachwal & B. Rachwal) The chemistry of N-substituted benzotriazoles. Part 2. Reactions of benzotriazole with aldehydes and aldehyde derivatives. 1-(α-Hydroxyalkyl)-, 1-(α-alkoxyalkyl)-, and 1-(α-acyloxyalkyl)-benzotriazoles. J. Chem. Soc. Perkin Trans. 1, 791-797.

(860) (With S. Rachwal & B. Rachwal) The chemistry of N-substituted benzotriazoles. Part 3. The aminoalkylation of benzotriazole. J. Chem. Soc. Perkin Trans. 1, 799-804.

(861) (With S. Rachwal & B. Rachwal) The chemistry of N-substituted benzotriazoles. Part 4. A novel and versatile method for the mono-N-alkylation of aromatic and heteroaromatic amines. J. Chem. Soc. Perkin Trans. 1, 805-809.

(862) (With W. Kuzmierkiewicz, B. Rachwal, S. Rachwal & J. Thomson) The chemistry of N-substituted benzotriazoles. Part 5. Reactions of benzotriazole with aldehydes and thionyl chloride -formation of (benzotriazol-1-yl)-1-chloroalkanes and bis(benzotriazolyl)alkanes. J. Chem. Soc. Perkin Trans. 1, 811-817.

(863) (With W. Kuzmierkiewicz) The Chemistry of N-substituted benzotriazoles. Part 6. A new synthetic route to aromatic ketones. J. Chem. Soc. Perkin Trans. 1, 819-823.

(864) (With M. Drewniak & J.M. Aurrecoechea) N-Monomethylation of primary amines via intermediate benzothiazol-2(3H)-imines. J. Chem. Soc. Perkin Trans. 1, 2539-2541.

(865) (With K. Yannakopoulou, W. Kuzmierkiewicz, J.M. Aurrecoechea, G.J. Palenik, A.E. Koziol, M. Szczesniak & R. Skarjune) The chemistry of benzotriazole. Part 7. The isomeric composition and mechanism of interconversion of some N-(aminomethyl)benzotriazole derivatives. J. Chem. Soc. Perkin Trans. 1, 2673-2679.

(866) (With H. Schultz, M.L. Lopez-Rodriguez, G. Musumarra & G. Cirma) Kinetics and mechanisms of nucleophilic displacements with heterocycles as leaving groups. Part 22. Reactions with various nucleophiles and a study of the effects of substrate concentration, traces of water, and nature of the gegenion on the rates. J. Chem. Soc. Perkin Trans. 2, 73-78.

(867) (With P. Barczynski & D. Ostercamp) Mechanism of heterocycle ring formation. Part 5. A Carbon-13 NMR study of pyrazolinone synthesis by the reaction of β-ketoesters with substituted hydrazines. J. Chem. Soc. Perkin Trans. 2, 969-975.

(868) (With D. Lamba, R. Spagna, A. Vaciago, R. Prewo, J.H. Bieri, J.J. Stezowski & G. Musumarra) Kinetics and mechanism of nucleophilic displacements with heterocycles as leaving groups. Part 25. X-Ray structure determinations. Crystallographic evidence for steric crowding and correlation with acceleration of rates. J. Chem. Soc. Perkin Trans. 2, 1391-1398.

Alan Roy Katritzky

36

(869) (With R.Murugan, H. Luce, M.C. Zerner & G.P. Ford) Acyl derivatives of cyclic secondary amines. Part 1. Dipole stabilization of anions. The cumulative effect of two stabilizing groups. J. Chem. Soc. Perkin Trans. 2, 1695-1700.

(870) (With R. Murugan, H. Luce, B.C. Chen, W.S. Brey & M.C. Zerner) Acyl derivatives of cyclic secondary amines. Part 2. Dynamic 1-H and 13-C nuclear magnetic resonance studies on bis-and tris-amides: equilibria of syn-anti interconversion. J. Chem. Soc. Perkin Trans. 2, 1701-1705.

(871) (With R. Murugan) Electrophilic substitution of heteroaromatic compounds. Part 54. Intramolecular base-catalyzed hydrogen exchange at the 3-position in substituted pyridines. J. Chem. Soc. Perkin Trans. 2, 1867-1869.

(872) (With Barbara Nowak-Wydra & C.M. Marson) The preparation of symmetrical secondary alkyl bromides. Chem. Scr. 25, 477-478.

(873) (With C.M. Marson) Heterocyclic chemistry. in Encyclopaedia of Physical Science and Technology. (874) (With J. Ellison) The structure of the pyridine 1-benzimide monocation. Gazz. Chim. Ital. 107, 509-

511. (875) (With J.M. Aurrecoechea & L.M. Vazquez de Miguel) ortho-Lithiation of 2-(benzothiazol-2-

ylthio)pyridine. Preparation of 2,3-disubstituted pyridines. Heterocycles 25, 427-436. (876) (With J.M. Aurrecoechea, K.P. Quian, A.E. Koziol & G.J. Palenik) Thermal base-induced

rearrangement of a pyridinium salt to an azepine. Heterocycles 25, 387-391. (877) (With H. Faid-Allah & C.M. Marson) The N-carboxylic acids of nitrogen heterocycles. (a review)

Heterocycles 25, 1333-1344. (878) (With C.M. Marson & H. Faid-Allah) Heterocyclic N-dithiocarboxylic acids. (a review) Heterocycles

25, 1657-1670. (879) (With M.I. Knyazhanskii, Y.R. Tymyanskii & V. Feygelman) Pyridinium salts: luminescent

spectroscopy and photochemistry. Heterocycles 25, 2963-2982. (880) (With L.M. Vazquez de Miguel & G.W. Rewcastle) Directed synthesis of 1-substituted phenoxazines.

Heterocycles 25, 3135-3140. (881) (With K. Yannakopoulou, J. Thomson, F. Saczewski & B. Pilarski) 2-Pyrazinyl-2-arylalkanenitriles.

J. Chem. Eng. Data 32, 479-481. (882) (With S. Sengupta) Preparation of N-Cycloalkenyl-1,2-dihydropyridines. J. Chem. Res. (S), 112-113. (883) (With G.R. Khan & C.M. Marson) Pyridylethyl: a versatile protecting group. Part 2. The protection of

heterocyclic N-H groups. J. Heterocycl. Chem. 24, 641-644. (884) (With W. Kuzmierkiewicz & J.M. Aurrecoechea) Reactions of (benzothiazol-2-ylthio)-

(trimethylsilyl)methane. A general method for α-mercaptoalkylation by alkylation and alkylative desilylation. J. Org. Chem. 52, 844-849.

(885) (With K.C. Caster, T.H. Maren, C.W. Conroy & A. Bar-Ilan) Synthesis and physicochemical properties of thiadiazolo[3,2-a]pyrimidinesulfonamides and thiadiazolo[3,2-a]triazinesulfonamides as candidates for topically effective carbonic anhydrase inhibitors. J. Med. Chem. 30, 2058-2062.

(886) (With C.M. Marson) Reactions of 2-cyclohexen-1-ones and cyclohexane-1,3-diones with chloromethylene iminium salts. J. Org. Chem. 52, 2726-2730.

(887) (With C.M. Marson & Z.Q. Wang) Reactions of alkyl-substituted 2-cyclohexen-1-ones with Vilsmeier reagents. J. Org. Chem. 52, 2730-2734.

(888) (With T.H. Maren, A. Bar-Ilan & K.C. Caster) The ocular pharmacology of methazolamide analogs: distribution in the eye and effects on pressure following topical application. J. Pharmacol. Exp. Therap. 241, 56-63.

(889) (With S.J. Cato, S.M. Heilmann, J.K. Rasmussen & L.R. Krepski) Polymers containing the [2H]-1,2,4-triazoline-3-thione ring. J. Polymer Sci. (A) 25, 311-326.

(890) (With R.D. Tarr, S.M. Heilmann, J.K. Rasmussen & L.R. Krepski) Synthesis and Characterization of poly([3H]-thiazole-2-thione)s. J. Polymer Sci. (A) 25, 3205-3214.

(891) (With B.L. Duell, R.P. Seiders & H.D. Durst) Synthesis and catalytic activity of surfactant analogues of 4-(dimethylamino)pyridine. Langmuir 3, 976-982.

(892) (With W.Q. Fan) Carbon dioxide: A reagent for the protection of nucleophilic centers and the simultaneous activation of electrophilic attack. Part 6. A new synthetic method for ortho-substituted benzanilides. Org. Prep. Proced. Int. 19, 263-268.

(893) Some recent advances in protection and activation. (a review), in Organic Synthesis: Modern Trends, 203-220.

(894) (With J.M. Aurrecoechea) Alkylation of monosubstituted malonate anions with pyridinium and quinolinium salts. Synthesis, 342-345.

(895) (With W.Q. Fan & K. Akutagawa) Carbon dioxide. A reagent for the protection of nucleophilic centers and the simultaneous activation for electrophilic attack. Part 4. The α-substitution of (i) benzyl alcohol and (ii) benzylamine. Synthesis, 415-418.

Alan Roy Katritzky

37

(896) (With W.Q. Fan, A.E. Koziol & G.J. Palenik) Carbon dioxide: A reagent for the simultaneous protection of nucleophilic centres and the simultaneous activation of alternative locations to electrophilic attack. Part 8. A novel synthetic route to 4-substituted-2-pyridones. Tetrahedron 43, 2343-2348.

(897) (With D.L. Ostercamp & T.I. Yousaf) The mechanisms of heterocyclic ring closures. (a review) Tetrahedron 43, 5171-5186.

(898) (With W.Q. Fan & Q.L. Li) Acetals and ketals of 2-(2-pyridyl)propane-1,3-diol: novel protection for carbonyl groups. Tetrahedron Lett. 28, 1195-1198.

(899) (With S. Sengupta) α-Lithiotrimethylsilylmethyl lithium carbonate as a methanol dianion synthon. A one-pot synthesis of α-hydroxyketones. Tetrahedron Lett. 28, 1847-1850.

(900) (With B.L. Duell, H.D. Durst & B. Knier) Unusual catalytic activity of analogues of 2-iodoxybenzoic acid in the hydrolysis of active phosphates. Tetrahedron Lett. 28, 3899-3900.

(901) (With S. Sengupta) Facile desilylative hydroxyalkylation and acylation of 1-trimethylsilylmethyl-2-pyridone. Tetrahedron Lett. 28, 5419-5422.

(902) (With B.L. Duell & H.D. Durst) Synthesis and catalytic activity of functionalized aromatic iodoso derivatives. Proceedings of the US Army Chemical Research, 99-104.

(903) (With J.M. Aurrecoechea, R.J. Offerman, Z.Q. Wang, N L. Jarvis, A.W. Snow & W.R. Barger) Novel compounds for chemiresistors sensors. Proceedings of the US Army Chemical Research, 415-420.

(904) (With K. Yannakopoulou) The isomerization and mechanism of interconversion of some N-(aminomethyl)benzotriazole derivatives. American Chemical Society meeting 1987.

(905) (With S.M. Heilmann, L.R. Krepski, J.K. Rasmussen & R.D. Tarr) Thiazolinethione-containing polymer. U.S. Patent (1987)

(906) (With J.K. Rasmussen, L.R. Krepski, H.K. Smith II, S.M. Heilmannn & K. Sakizadeh) Imidazolinone-containing polymer and copolymer. U.S. Patent USP 4667012.

(907) (With S.M. Heilmann, L.R. Krepski, J.K. Rasmussen & R D. Tarr) Bis(thiazolinethione) derivative nondiffusing photographic additives. U.S. Patent / 87EUP239269A1.

(908) 1988 (With P.N. Maini & M.P. Sammes) The synthesis and chemistry of azolenines. Part 8. The Paal-Knorr reaction with cyclic 2-(acylmethyl)-2-alkyl-1,3-diketones: isolation of 1-acyl-1H-pyrroles via rearrangement. J. Chem. Soc. Perkin Trans. 1, 161-168.

(909) (With C.Y. Ishag, K.J. Fisher, B.E. Ibrahim & G.M. Iskander) 1,3-Dipolar character of six-membered aromatic rings. Part 56. The cycloadditions of acetylenes and 3-oxidopyridinium betaines (910) (With M. Drewniak) The chemistry of benzotriazole. Part 8. A novel two-step procedure for the N-alkylation of amides. J. Chem. Soc. Perkin Trans. 1, 2339-2344

(911) (With A. Maquestiau, D. Beugnies, R. Flammang, M. Soleiman, T. Davis & J.N. Lam) Flash-vacuum pyrolysis of N-vinylbenzotriazoles: formation of N-phenylketenimines. J. Chem. Soc. Perkin Trans. 2, 1071-1075

(912) (With W.Q. Fan) Carbon dioxide: A reagent for the simultaneous protection of nucleophilic centres and the activation of alternate locations to electrophilic attack. Part 11. A new synthetic route to the 2-substituted thiazolidines. Acta Chim. Sinica 359-363.

(913) (With C.H. Watson, G. Baykut, Z. Mowafy & J. R. Eyler) Photodissociation and collisionally activated dissociation studies of N-alkylpyridinium cations formed by laser desorption. Anal. Instrum. (N.Y.) (Instrumental Science and Technology) 17, 155-172.

(914) (With K.S. Laurenzo & D.I. Relyea) The preparation and fungicidal activity of a series of thiazolyl- and isothiazolyl-diarylcarbinols. Can. J. Chem. 66, 1617-1624.

(915) (With Z.Q. Wang, C.M. Marson, R.J. Offerman, A.E. Koziol & G.J. Palenik) Vilsmeier reactions 5. Vilsmeier reactions of 2-alkyl-2-cyclohexen-1-ones: a novel route to dihydrobenzaldehydes, the formation of allyl alcohols as by-products, and the X-ray crystallographic structure of 3-chloro-2-methyl-2-cyclohexen-1-ol. Chem. Ber. 121, 999-1003.

(916) (With I. Takahashi, C.M. Marson & E.F.V. Scriven) The synthesis of 1,2,3-triazoles and aziridines using 2-(4-pyridyl)ethyl azide. Chem. Scr. 26, 149-155.

(917) (With R. Murugan & A.R. Lapucha) Rearrangement in 4-alkoxypyridine - oxygen to nitrogen migration. Chem. Scr. 26, 347-348.

(918) Benzotriazole as a synthetic auxiliary. Farmaco, Ed. Sci. 43, 1175-1181. (919) (With B.R. Stevens, A. Fernandez, L.R. Hearing, J.J. Cerda, E.R. Woodward & M. Sutharchanadevi)

Human and rabbit intestinal Na+/glucose cotransporter conformational change probes by pyrylium and FITC. Federation of American Societies for Experimental Biology (FASEB)

(920) (With K. Dill, S.H. Hu & M. Sutharchanadevi) New method of blocking lysyl residues of proteins using 4-(4-methoxy-3-sulphophenyl)-2,6-bis-(4-sulphophenyl)pyrylium perchlorate. J. Biochem. Biophys. Methods 17, 75-78.

(921) (With D. Rasala & F. Brito-Palma) N-Oxides and related compounds. Part 62. Regioselective N-oxidation of 4-dialkylaminopyridines with Payne's reagent. J. Chem. Res. (S), 42-43.

Alan Roy Katritzky

38

(922) (With W.Q. Fan, M. Szajda, Q.L. Li & K.C. Caster) Conjugated systems derived from piperazine-2,5-dione. J. Heterocycl. Chem. 25, 591-597.

(923) (With Z.Q. Wang) The synthesis of some alkylbenzocarbazoles. J. Heterocycl. Chem. 25, 671-675. (924) (With W.Q. Fan) Some novel quinone-type dyes containing naphthaquinone and related fused ring

systems. J. Heterocycl. Chem. 25, 901-906. (925) (With W.Q. Fan & Q.L. Li) Bridged cyanine dyes. Part 1. 1-(N-methyl-4-pyridinio)-3-(N-methyl-

pyridylene)cyclopenta-1,4-dienes. J. Heterocycl. Chem. 25, 1311-1314. (926) (With D.S. Liang & W.Q. Fan) Bridged cyanine dyes. Part 2. 1-(N-Methyl-2-benzothiazolylinio)-3-

(N-methyl-2-benzothiazolylene) and 1-(N-methyl-4-pyridinio)-3-(N-methyl-4-pyridylene)cyclopenta-1,4-dienes with Fused Rings. J. Heterocycl. Chem. 25, 1315-1319.

(927) (With W.Q. Fan, X.S. Jiao & Q.L. Li) Bridged cyanine dyes. Part 3. Zwitterionic bis-4-pyridyl and cationic bisdimethylanilino derivatives. J. Heterocycl. Chem. 25, 1321-1325.

(928) (With Q.L. Li & W.Q. Fan) Color and Constitution. Part 8. Some novel dyestuffs containing indoxyl residues. J. Heterocycl. Chem. 25, 1287-1292.

(929) (With M.A. Francisco, A. Kurs & D. Rasala) Conformational effects in the alkali metal reduction of diaryl sulfides and dibenzothiophene. J. Org. Chem. 53, 596-600.

(930) (With G.W. Rewcastle & L.M. Vazquez de Miguel) Improved synthesis of substituted carbazoles and benzocarbazoles via lithiation of the (dialkylamino)methyl (aminal) derivatives. J. Org. Chem. 53, 794-799.

(931) (With B.L. Duell, H.D. Durst & B.L. Knier) Substituted o-iodoso- and o-iodoxy-benzoic acids: synthesis and catalytic activity in the hydrolysis of active phosphorus esters and related systems. J. Org. Chem. 53, 3972-3978.

(932) (With K.S. Laurenzo) Alkylaminonitrobenzenes by vicarious nucleophilic amination with 4-(alkylamino)-1,2,4-triazoles. J. Org. Chem. 53, 3978-3982.

(933) (With S.P. McManus, T. Crutcher, R.W. Naumann, K.L. Tate, S.E. Zutaut & D.N. Kevill) Selectivity in the solvolysis in binary solvents of 1-adamantyl derivatives bearing leaving groups that depart as neutral molecules. J. Org. Chem. 53, 4401-4403.

(934) (With M.A. Francisco, A. Kurs & D. Rasala) Conformational effects in the alkali-metal reduction of diaryl sulfides. 2. Evidence for episulfide intermediates. J. Org. Chem. 53, 4821-4826.

(935) (With G.W. Rewcastle & W.Q. Fan) Synthesis of 2-substituted imidazoles and benzimidazoles and of 3-substituted pyrazoles by lithiation of N-(dialkylamino)methyl heterocycles. J. Org. Chem. 53, 5685-5689.

(936) (With M. Drewniak & P. Lue) A conceptually new approach to the synthesis of secondary amides and thioamides. J. Org. Chem. 53, 5984-5986.

(937) (With B.E. Brycki) Nucleophilic substitution of saturated carbon atoms. Mechanisms and mechanistic borderlines: evidence from studies with neutral leaving groups. J. Phys. Org. Chem. 1, 1-20.

(938) (With R.D. Tarr, S.M. Heilmann, J.K. Rasmussen & L.R. Krepski) Polymers by the reaction of bis(pyrylium salts) with diamines: a novel approach to ionene polymers. J. Polym. Sci. (Part A) 26, 3323-3336.

(939) (With K. Dill, S.H. Hu & M. Sutharchanadevi) C-13 Nuclear magnetic resonance study of glycophorins A-M and A-N modified with various pyrylium salts. J. Protein Chem. 4, 341-348.

(940) (With B.L. Duell, B.L. Knier & H.D. Durst) Unusual catalytic activity of anionic surfactant analogues of 4-(dimethylamino)pyridine in carboxylate ester hydrolyses. Langmuir 4, 192-195.

(941) (With B.L. Duell, D. Rasala, B. Knier & H.D. Durst) Synthesis and catalytic activity of N-oxide surfactant analogues of 4-(dimethylamino)pyridine.. Langmuir 4, 1118-1122.

(942) (With T.L. Davis, G.W. Rewcastle, G.O. Rubel & M.T. Pike) Design and synthesis of novel fluorinated surfactants for hydrocarbon subphases. Langmuir 4, 732-735.

(943) (With K.W. Law) Utility of 13C NMR spectroscopy in monitoring the course of a complex reaction sequence: reaction of pyrrole with formaldehyde. Magn. Reson. Chem. 26, 124-128.

(944) (With G.W. Rewcastle, L.M. Vazquez de Miguel & Z.Q. Wang) 13C NMR chemical shift assignments for some carbazole derivatives. Magn. Reson. Chem. 26, 347-350.

(945) (With K.W. Law) A 13C-Study of hydroxymethyl derivatives of five-membered ring heterocycles. Magn. Reson. Chem. 26, 129-133.

(946) (With S. Sobiak & C.M. Marson) Comparative study of the 13C nuclear magnetic resonance shifts of carbonyl and thiocarbonyl compounds. Magn. Reson. Chem. 26, 665-670.

(947) (With S. Sengupta) Activation of α-sp3 centres toward electrophilic substitution in alcohols and amines. Proc. Indian Acad. Sci., Chem. Sci. 100, 187-203.

(948) (With K. Akutagawa) A new synthetic method for the 2-substitution of pyrrole. Org. Prep. Proced. Int. 20, 585-590.

Alan Roy Katritzky

39

(949) (With J.K. Rasmussen, S.M. Heilmannn, L.R. Krepski, D.M. Moren, H.K. Smith II, S.V. Pathre, K. Sakizadeh & J. Swinson) A new route to benzazole-containing polymers. Polymer Preprints (1988), p 296.

(950) (With R.J. Offerman, P. Cabildo & M. Soleiman) Benzotriazoles. Part 15. The preparation of 1-(1-alkenyl)benzotriazoles. Rec. Trav. Chim. Pays-Bas 107, 641-645.

(951) (With L.M. Vazquez de Miguel & G.W. Rewcastle) Specific synthesis of 1-substituted phenothiazines using carbon dioxide protection of the N-H group during lithiation. Synthesis, 215-217.

(952) (With K. Sakizadeh, J. Swinson, S.M. Heilmann, L.R. Krepski, S.V. Pathre & J.K. Rasmussen) A novel synthesis of benzothiazoles. Synth. Commun. 18, 651-658.

(953) (With K. Akutagawa & R.A. Jones) Carbon dioxide: A reagent for the protection of nucleophilic centres and the simultaneous activation to electrophilic attack. Part 12. One-pot conversion of 3-methylindole into 2-formyl-3-methylindole. Synth. Commun. 18, 1151-1158.

(954) (With C.M. Marson, G. Palenik, A.E. Koziol, H. Luce, M. Karelson, B.C. Chen & W. Brey) 2,4-Dichloro-3-dimethylaminomethylene-1,4-cyclohexadiene-1,5-dicarboxaldehyde: X-ray structure, MNDO calculations, and rotational barriers of a stable non-aromatic tautomer of a pentasubstituted benzene. Tetrahedron 44, 3209-3214.

(955) (With M. Drewniak) A general method for the N-alkylation of thioamides. Tetrahedron Lett. 29, 1755-1758.

(956) (With W.Q. Fan & Q.L. Li) Some novel pyridine derivatives derived from 2-(2-pyridyl)propane-1,3-diol. Youji Huaxue 8, 53-57.

(957) (With J.K. Rasmussen, L.R. Krepski, S.M. Heilmannn, K. Sakizadeh, D.M. Moren & H.K. Smith) Polyimidazolinones via thermal cyclodehydration of polyamides containing α-amino acid units. in Chemical Reactions on Polymers (ACS Symposium series, Vol.364) Chap. 9, pp 119-126.

(958) (With J.K. Rasmussen, S.M. Heilmann, L.R. Krepski, D.M. Moren, H.K. Smith II, S.V. Pathre, K. Sakizadeh & J. Swinson) New polymers based on azlactone chemistry. in Proc. IUPAC Int. Sympos. Macromolecules 1988, 137-142.

(959) (With B.L. Duell, H.D. Durst & B.L. Knier) Synthesis and catalytic activity of substituted 2-iodoso- and 2-iodoxy-benzoic acids. in Proceedings of the U.S. Army Chemical Research (16 pp).

(960) (With J.K. Rasmussen, L.R. Krepski, H.K. Smith II, S.M. Heilmannn & K. Sakizadeh) Imidazoline-containing copolymers. U.S. Patent 88USP4667012.

(961) (With S.J. Cato, J.K. Rasmussen, L.R. Krepski & S.M. Heilmann) Triazolinethione-containing polymer. U.S. Patent 88USP4740568.

(962) 1989 (With S. Sengupta) α-Metallation of tetrahydroquinoline and indoline via their lithium carbamates: A versatile one-pot procedure. (Corrigendum: see paper 1484.) J. Chem. Soc. Perkin Trans. 1, 17-19.

(963) (With K. Yannakopoulou, P. Lue, D. Rasala & L. Urogdi) The chemistry of N-substituted benzotriazoles. Part 14. Novel routes to secondary and tertiary amines and to N,N-disubstituted hydroxylamines. J. Chem. Soc. Perkin Trans. 1, 225-233.

(964) (With J.J. Vanden Eynde) The chemistry of N-substituted benzotriazoles. Part 20. Mono-N-t-butylation of aromatic and heteroaromatic amines. J. Chem. Soc. Perkin Trans. 1, 639-642.

(965) (With J.J. Slawinski, F. Brunner & S. Gorun) A general route to 4-substituted imidazoles. J. Chem. Soc. Perkin Trans. 1, 1139-1145.

(966) (With M.S. Chander Rao) Preparation of 1,1-disubstituted hydrazines and their 2-acyl derivatives. J. Chem. Soc. Perkin Trans. 1, 2297-2303.

(967) (With G. Baykut, S. Rachwal, M. Szafran, K.C. Caster & J. Eyler) The tautomeric equilibria of thio analogues of nucleic acid bases. Part 1. 2-Thiouracil: Background, preparation of model compounds, and gas-phase proton affinities. J. Chem. Soc. Perkin Trans. 2, 1499-1506.

(968) (With M. Szafran & J. Stevens) The tautomeric equilibria of thio analogues of nucleic acid bases. Part 2. AM1 and ab initio calculations of 2-thiouracil and its methyl derivatives. J. Chem. Soc. Perkin Trans. 2, 1507-1511.

(969) (With L. Urogdi & A. Mayence) Benzotriazole-assisted synthesis of monoacyl α-aminoglycines. J. Chem. Soc. Chem. Commun., 337-338.

(970) (With K. Akutagawa & W.Q. Fan) Carbon dioxide: A reagent for the protection of nucleophilic centers and the simultaneous activation of alternative locations to electrophilic attack. 15. A synthetic method for the α-substitution of N-phenylbenzylamine. Acta Chim. Sinica, Engl. Ed. 471-475.

(971) (With A. Fernandez, M. Sutharchanadevi & B.R. Stevens) Inhibition of the Na+ glucose cotransporter functional lysyl residues by 4-(4-methoxy-3-sulfophenyl)-2,6-bis(4-sulfophenyl)pyrylium. Biochem. Biophys. Res. Commun. 163, 1356-1363.

(972) (With J.N. Lam) 1-Chloromethyl-3,5-dimethylpyrazole hydrochloride. a useful synthetic intermediate. Can. J. Chem. 67, 1144-1147.

Alan Roy Katritzky

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(973) (With N. Dennis) Cycloaddition reactions of heteroaromatic six-membered rings. Chem. Rev. 89, 827-861.

(974) (With C.V. Hughes) The chemistry of N-substituted benzotriazoles. Part 19. N-Alkylation of sulfonamides. Chem. Scr. 29, 27-31.

(975) (With A. Bieniek & B.E. Brycki) The preparation and NMR spectroscopy of α-aminosulfides. Chem. Scr. 29, 33-39.

(976) (With G.P. Savage, J.N. Lam & M. Pilarska) The synthesis and response to vapor challenges of new microsensor coatings. 2-Phenyl-1-(phenylthiomethyl)benzimidazole derivatives. Chem. Scr. 29, 197-199.

(977) (With G.P. Savage, M. Pilarska & Z. Dega-Szafran) The synthesis and response to vapor challenges of new microsensor coatings. Pyridinium and pyrylium salts. Chem. Scr. 29, 235-239.

(978) (With V. Feygelman, J.K. Walker & Z. Dega-Szafran) Studies of sterically hindered oxadiazoles as potential fluorescent dopants for polymeric scintillators. Chem. Scr. 29, 241-243.

(979) (With J.K. Walker & Z. Dega-Szafran) Radiation resistance of polysiloxane-based scintillators doped with oxadiazole fluors. Chem. Scr. 29, 245-248.

(980) (With G.P. Savage & M. Pilarska) The response to vapor challenges of new microsensor coatings: thiadiazole derivatives. Chem. Scr. 29, 315-317.

(981) (With G.P. Savage, M. Pilarska, N.S. Bodor & M.E. Brewster) The response to vapor challenges of new microsensor coatings: nicotinic acid derivatives. Chem. Scr. 29, 319-323.

(982) (With H.H. Luce, E. Anders & J.M. Sullivan) Experimental test of structural predictions of semiempirical methods: bis(1,2-dioxa-4,6-diazacycloheptano)[4',5',6':1,6,5][4",5",6":2,3,4]-1,2,4,5-tetraazacyclohexane, a 7:6:7-tricyclic system correctly calculated by AM1 as more stable than its 6:6:6-tricyclic isomer. Chem. Ber. 115, 1989-1993.

(983) (With R.J. Offerman) The development of new microsensor coatings, and a short survey of microsensor technology. in CRC Critical Reviews in Analytical Chemistry (1 p.)

(984) (With K. Yannakopoulou) The chemistry of N-substituted benzotriazoles. Part 18. A study of the influence of structure on the 1- to 2-(N,N-dialkylaminoalkyl)benzotriazole equilibrium. Heterocycles 28, 1121-1134.

(985) (With P. Barczynski, G. Musumarra, D. Pisano & M. Szafran) Aromaticity as a quantitative concept. 1. A statistical demonstration of the orthogonality of "classical" and "magnetic" aromaticity in five- and six-membered heterocycles. J. Am. Chem. Soc., 111, 7-15.

(986) (With R.J. Offerman, H.D. Durst, J.R. Ward, J.W. Hovanec & J.M. Albizo) Copper chloride - cyanopyridine complexes as catalysts for the decomposition of fluorophosphonate esters. J. Fluorine Chem. 44, 121-131.

(987) (With M.H. Paluchowska & J.K. Gallos) Intramolecular Diels Alder cyclization of N-furfurylpropargylamines: a novel general synthesis of isoindoles. J. Heterocycl. Chem. 26, 421-426.

(988) (With W.Q. Fan, A.E. Koziol & G.J. Palenik) 2-Chloro-3H-indol-3-one and its reactions with nucleophiles. J. Heterocycl. Chem. 26, 821-828.

(989) (With M. Drewniak-Deyrup, X.F. Lan & F. Brunner) Preparation, lithiation and transformation of N-(benzotriazol-1-ylmethyl) heterocycles. J. Heterocycl. Chem. 26, 829-836.

(990) (With W.Q. Fan, Q.L. Li & S. Bayyuk) Novel chromophoric heterocycles based on maleimide and naphthoquinone. J. Heterocycl. Chem. 26, 885-892.

(991) (With W.Q. Fan, D.S. Liang & Q.L. Li) Novel dyestuffs containing dicyanomethylidene groups. J. Heterocycl. Chem. 26, 1541-1545.

(992) (With C.V. Hughes & S. Rachwal) Benzotriazol-1-ylmethylammonium salts: synthesis and reactivity. J. Heterocycl. Chem. 26, 1579-1588.

(993) (With M. Szafran & J. Stevens) AM1 Study of the tautomerism of 2- and 4-pyridones and their thio-analogs. J. Mol. Struct: Theochem 184, 179-192.

(994) (With K. Akutagawa) A new synthetic method for the 2-substitution of N-unsubstituted benzimidazoles: formaldehyde as a versatile protecting agent for heterocyclic NH. J. Org. Chem. 54, 2949-2952.

(995) (With E. Anders, J.G. Tropsch, D. Rasala & J.J. Vanden Eynde) N-(1-haloalkyl)pyridinium salts: Preparation and use for new syntheses of other N-(1-substituted-alkyl)pyridinium salts, N,N′-(1-alkylidene)bisamines, and N,N′-(1-alkylidene)bisbenzazoles. J. Org. Chem. 54, 4808-4812.

(996) (With S. Rachwal & B. Rachwal) Reactions of 1-(α-alkoxyalkyl)- and 1-(α-(aryloxy)alkyl)-benzotriazoles with the Grignard reagents. A new and versatile method for the preparation of ethers. J. Org. Chem. 54, 6022-6029.

(997) (With M. Karelson, M. Szafran & M.C. Zerner) Quantitative predictions of tautomeric equilibria for 2-, 3-, and 4-substituted pyridines in both the gas phase and aqueous solution: Combination of AM1 with reaction field theory. J. Org. Chem. 54, 6030-6034.

Alan Roy Katritzky

41

(998) (With K. Sakizadeh, J. Swinson, S.M. Heilmann, J.K. Rasmussen, L.R. Krepski & S.V. Pathre) Further polymers derived from bisazlactones and tetraamino compounds. J. Polym. Sci. Part A 27, 1515-1524.

(999) (With K. Sakizadeh, J. Swinson, S.M. Heilmann, J.K. Rasmussen, L.R. Krepski, D.M. Moren, H. K. Smith & S.V. Pathre) Azlactones as polymer components and intermediates. J. Polym. Sci. Part A 27, 1781-1790.

(1000) (With R.J. Offerman & Z.Q. Wang) Utilization of pyridinium salts as microsensor coatings. Langmuir 5, 1087-1092.

(1001) (With D.W. Zhu) 3-Vinylperylene: a powerful radical trap. Macromolecules 22, 3495-3496. (1002) (With J.K. Gallos & H.D. Durst) Structure of and electronic interactions in aromatic polyvalent iodine

compounds: a 13C NMR study. Magn. Reson. Chem. 27, 815-822. (1003) (With B.L. Duell, J.K. Gallos & H.D. Durst) C-13 NMR study of 2-iodoso- and 2-iodoxy-benzoic

acids and their sodium salts. Magn. Reson. Chem. 27, 1007-1011. (1004) (With Z. Dega-Szafran) Proton and carbon-13 NMR studies of 1-substituted pyridinium salts. Magn.

Reson. Chem. 27, 1090-1093. (1005) (With T.A. Gillespie, L. Urogdi & R.A. Yost) Studies of phthalic acid and related compounds by

positive- and negative-ion chemical ionization tandem mass spectrometry (Cl/MS/MS). Org. Mass Spectrom. 24, 817-822.

(1006) (With C.H. Watson, Z. Dega-Szafran & J.R. Eyler) Collisionally activated dissociation of some pyridinium cations: novel fragmentation pathways. Org. Mass Spectrom. 24, 1017-1021.

(1007) (With A. Bieniek & L. Chiang) Synthesis of branched long chain aliphatic primary alkyl bromides. Org. Prep. Proced. Int. 21, 129-133.

(1008) (With B. Pilarski & L. Urogdi) The preparation of 1-(α-aminoalkyl)benzotriazoles in aqueous solution. Org. Prep. Proced. Int. 21, 135-139.

(1009) (With G.P. Savage, J.K. Gallos & H.D. Durst) Convenient large scale preparation of 5-methyl- and 4-nitro-2-iodosobenzoic and of 4-nitro-2-iodoxybenzoic acids. Org. Prep. Proced. Int. 21, 157-162.

(1010) (With K. Akutagawa) A practical synthetic method for N-methyl-o-toluidine. Org. Prep. Proced. Int. 21, 340-341.

(1011) (With G.W. Rewcastle, J.N. Lam & S. Sengupta) Some new strategies for protection, activation and direction in lithiation chemistry. in Progress in Heterocyclic Chemistry, 1989.

(1012) (With J.K. Gallos & K. Yannakopoulou) The chemistry of N-substituted benzotriazoles. Part 16. A new general method for the synthesis of tertiary propargylamines. Synthesis 1989, 31-33.

(1013) (With Z. Nazjarek & Z. Dega-Szafran) The chemistry of N-substituted benzotriazoles. Part 11. The preparation of tertiary amines containing tertiary alkyl groups from ketones, secondary amines, and organometallic reagents. Synthesis 1989, 66-69.

(1014) (With L. Urogdi & A. Mayence) The Chemistry of N-substituted benzotriazoles. Part 23. Synthesis of tertiary α-amino esters. Synthesis 1989, 323-327.

(1015) (With K. Yannakopoulou) A general method for the preparation of β-aminoesters. Synthesis 1989, 747-751.

(1016) (With B. Pilarski & L. Urogdi) Efficient conversion of nitriles to amides with basic hydrogen peroxide in dimethyl sulfoxide. Synthesis 1989, 949-951.

(1017) (With P. Lue & K. Akutagawa) Formaldehyde: a reagent for simultaneous protection of heterocyclic NH and activation of alternative locations to electrophilic attack. Part II. A new synthetic method for the 5(3)-substitution of N-unsubstituted pyrazoles. Tetrahedron 45, 4253-4262.

(1018) (With G. Musumarra, D. Pisano, A.R. Lapucha, F.J. Luxem, R. Murugan, M. Siskin & G. Brons) Prediction of gas chromatographic response factors by the PLS method. Tetrahedron Comput. Methodol. 2, 17-36.

(1019) (With M. Karelson, T. Tämm, S.J. Cato & M.C. Zerner) M.O. calculations applicable to condensed phases: The combination of self-consistent reaction field theory with semi-empirical quantum-chemical methods. Tetrahedron Comput. Methodol. 2, 295-304.

(1020) (With J.L. Jiang & L. Urogdi) N-Triphenylphosphorylidene-1-(benzotriazol-1-yl)methylamine, a novel synthon equivalent to +CH2NH2 cation: the preparation of primary amines. Tetrahedron Lett. 30, 3303-3306.

(1021) (With Y.X. Chen, K. Yannakopoulou & P. Lue) Benzotriazol-1-ylmethyl isocyanide, a new synthon for CH-N=C transfer. Synthesis of α-hydroxyaldehydes, 4-ethoxy-2-oxazolines and oxazoles. Tetrahedron Lett. 30, 6657-6660.

(1022) (With R.J. Offerman, H.D. Durst, J.R. Ward, J.W. Hovanec & J.M. Albizo) Copper chloride - cyanopyridine complexes as catalysts for the decomposition of fluorophosphonate esters. Proceedings of the U.S. Army Chemical Research, p. 67.

Alan Roy Katritzky

42

(1023) (With R.J. Offerman, G.P. Savage & J. Aurrecoechea) The development of novel microsensor coatings. Acridinium betaines and anionic surfactants. Proceedings of the U.S. Army Chemical Research, pp. 221-228.

(1024) (With G.P. Savage, J.K. Gallos, G.J. Palenik, Z.Y. Zhang & H.D. Durst) A structural study of 2-iodoso- and 2-iodoxy-benzoic acids by NMR and X-ray analysis. Proceedings of the U.S. Army Chemical Research, pp.1057-1064.

(1025) (With J. Swinson, K. Sakizadeh, J.K. Rasmussen, L.R. Krepski & S.M. Heilmann) Poly(Amido methyl-benzazole).U.S. Patent (8 pages)

(1026) (With L.R. Krepski, J. K. Rasmussen, S.M. Heilmann & R.D. Tarr) Polypyridiniums (USP); Preparation of pyridinium derivative polymers (EUP). U.S. Patent (7 pages)

(1027) 1990 (With B. Pilarski & L. Urogdi) Reactions of benzotriazole with formaldehyde and aliphatic primary amines: Selective formation of 1:1:1, of 2:2:1, and of 2:3:2 adducts and a study of their reactions with nucleophiles. J. Chem. Soc. Perkin Trans. 1, 541-547.

(1028) (With M. Latif & L. Urogdi) Mono-N-alkylation of α-aminoacetonitriles. A novel route to unsymmetrical secondary amines. J. Chem. Soc. Perkin Trans. 1, 667-672.

(1029) (With S. Rachwal & B. Rachwal) Addition of benzotriazole to vinyl ethers. Chemistry of the adducts. J. Chem. Soc. Perkin Trans. 1, 1717-1725.

(1030) (With M. Sutharchanadevi & L. Urogdi) Benzotriazol-1-ylalkyl isocyanides: Versatile synthons for preparation of unsymmetrical formamidines. J. Chem. Soc. Perkin Trans. 1, 1847-1851.

(1031) (With L. Urogdi) Benzotriazole-assisted synthesis of α-acylaminonitriles and a conceptually novel method for peptide elongation. J. Chem. Soc. Perkin Trans. 1, 1853-1857.

(1032) (With G.J. Hitchings & X.H. Zhao) N-Substituted benzotriazoles as synthons for 1,3-dipoles. J. Chem. Soc. Perkin Trans. 1, 2371-2377.

(1033) (With M. Karelson, M. Szafran & M.C. Zerner) A theoretical treatment of solvent effects on the tautomeric equilibria of five-membered rings with two heteroatoms. J. Chem. Soc., Perkin Trans. 2, 195-201.

(1034) (With M. Szafran & G. Pfister-Guillouzo) The tautomeric equilibria of thio analogues of nucleic acid bases. Part 3. Ultraviolet photoelectron spectra of 2-thiouracil and its methyl derivatives. J. Chem. Soc. Perkin Trans. 2, 871-876.

(1035) (With S. Perumal & G.P. Savage) An NMR study of the equilibria involved with benzotriazole, carbonyl compounds, and their adducts. J. Chem. Soc. Perkin Trans. 2, 921-924.

(1036) (With Z. Dega-Szafran, C.H. Watson & J.R. Eyler) Collisionally activated dissociation of 1-benzyloxypyridinium cations. J. Chem. Soc. Perkin Trans. 2, 1051-1057.

(1037) (With G.P. Savage, J.K. Gallos & H.D. Durst) A structural study of 3- and 4-iodosylbenzoic acids, 3- and 4-iodylbenzoic acids, and their sodium salts. J. Chem. Soc. Perkin Trans. 2, 1515-1518.

(1038) (With G.P. Savage, G.J. Palenik, K.P. Qian, Z.Y. Zhang & H.D. Durst) The cyclic structure of 2-iodosyl- and 2-iodyl-benzoic acid anions: a basicity and X-ray crystallographic study. J. Chem. Soc. Perkin Trans. 2, 1657-1661.

(1039) (With S. Perumal & W.Q. Fan) Studies on the thermal isomerization of N-arylmethylbenzotriazoles. J. Chem. Soc. Perkin Trans. 2, 2059-2062.

(1040) (With G.J. Palenik, A.E. Koziol & W.Q. Fan) Nonbonded interactions. The influence of lone pair repulsions on bond lengths. J. Chem. Soc. Chem. Commun. 715-716.

(1041) (With B.E. Brycki) The mechanisms of nucleophilic substitution in aliphatic compounds. Chem. Soc. Revs 19, 83-105.

(1042) (With A.E. Koziol, G.J. Palenik & C.M. Marson) Structure of 3-dimethylamino-2-(2-formyl-3,4-dihydro-1-naphthyl)-N,N-dimethyl-2-propeniminium chloride dihydrate: a Vilsmeier intermediate. Acta Cryst. C 46, 1282-1284.

(1043) (With L. Wrobel, G.P. Savage & M. Deyrup-Drewniak) The formation of ketones by a reaction equivalent to R– + R'COCH2

+ → R'COCH2R. Austral. J. Chem. 43, 133-139. (1044) (With S. Rachwal & J. Wu) A versatile method for the N,N-dialkylation of aromatic amines via

Grignard reactions on N,N-bis(benzotriazolylmethyl)arylamines. Can. J. Chem. 68, 446-455. (1045) (With S. Rachwal & J. Wu) Substituent effects in the bis(benzotriazolylmethylation) of aromatic

amines. Can. J. Chem. 68, 456-463. (1046) (With G.J. Palenik, E. Anders, J.G. Tropsch, .J.J. Vanden Eynde & Z.Y. Zhang) N-[(2-

Naphthyloxy)methyl]benzazoles: synthesis and investigation by X-ray analysis and by semiempirical MO calculations. Chem. Ber. 123, 1185-1191.

(1047) (With G. Noble, B. Pilarski & P. Harris) The N-substitution of aliphatic primary amines via 1-(alkylaminomethyl)benzotriazoles: preparation of secondary amines. Chem. Ber. 123, 1443-1445.

(1048) (With J.W. Johnson, J.F. Brody, R.M. Alexander & B. Pilarski) Vanadyl benzylphosphonates and vanadyl naphthylphosphonates: intercalation reactions with butanols. Chem. Mater. 2, 198-201.

Alan Roy Katritzky

43

(1049) (With M. Siskin, G. Brons & M. Balasubramanian) Aqueous organic chemistry. 1. Aquathermolysis. Comparison with thermolysis in the reactivity of aliphatic compounds. Energy Fuels 4, 475-482.

(1050) (With M. Siskin, G. Brons & R. Murugan) Aqueous organic chemistry. 2. Cross-linked cyclohexyl phenyl compounds. Energy Fuels 4, 482-488.

(1051) (With M. Siskin, G. Brons, S.N. Vaughn & M. Balasubramanian) Aqueous organic chemistry 3. Aquathermolysis. Reactivity of ethers and esters. Energy Fuels 4, 488-492.

(1052) (With A.R. Lapucha, R. Murugan, F.J. Luxem, M. Siskin & G.Brons) Aqueous high-temperature chemistry of carbo-and heterocycles 1. Introduction and reaction of 3-pyridylmethanol, pyridine-3-carboxaldehyde, and pyridine-3-carboxylic acid. Energy Fuels 4, 493-498.

(1053) (With M. Balasubramanian & M. Siskin) Aqueous high-temperature chemistry of carbo-and heterocycles 2. Monosubstituted benzenes. Benzyl alcohol, benzaldehyde, and benzoic acid. Energy Fuels 4, 499-505.

(1054) (With A.R. Lapucha & M. Siskin) Aqueous high-temperature chemistry of carbo- and heterocycles 3. 2-Substituted pyridines. Energy Fuels 4, 506-510.

(1055) (With A.R. Lapucha & M. Siskin) Aqueous high-temperature chemistry of carbo-and heterocycles 4. 4-Substituted pyridines. Energy Fuels 4, 510-514.

(1056) (With F.J. Luxem & M. Siskin) Aqueous high-temperature chemistry of carbo- and heterocycles. 5. Monosubstituted benzenes with a two carbon atom side chain oxygenated at the β-position. Energy Fuels 4, 514-517.

(1057) (With F.J. Luxem & M. Siskin) Aqueous high-temperature chemistry of carbo- and heterocycles. 6. Monosubstituted benzenes with two carbon atom side chains unsubstituted or oxygenated at the α-position. Energy Fuels 4, 518-524.

(1058) (With F.J. Luxem & M. Siskin) Aqueous high-temperature chemistry of carbo- and heterocycles. 7. Monosubstituted benzenes with two carbon atom side chains oxygenated at the α- and β-positions. Energy Fuels 4, 525-531.

(1059) (With R. Murugan & M. Siskin) Aqueous high-temperature chemistry of carbo- and heterocycles. 8. Aquathermolysis of para-substituted phenols in the presence and absence of sodium bisulfite. Energy Fuels 4, 531-538.

(1060) (With R Murugan & M. Siskin) Aqueous high-temperature chemistry of carbo- and heterocycles. 9. Aquathermolysis of ortho-substituted, meta-substituted, and multisubstituted phenols in the presence and absence of sodium bisulfite. Energy Fuels 4, 538-543.

(1061) (With R. Murugan, M. Balasubramanian & M. Siskin) Aqueous high-temperature chemistry of carbo- and heterocycles. 10. Aquathermolysis of acyclic and cyclic phenol ethers in the presence of sodium bisulfite or phosphoric acid. Energy Fuels 4, 543-546.

(1062) (With R. Murugan, M. Balasubramanian & M. Siskin) Aqueous high-temperature chemistry of carbo- and heterocyles. 11. Aquathermolysis of arylamines in the presence and absence of sodium bisulfite. Energy Fuels 4, 547-555.

(1063) (With A.R. Lapucha & M. Siskin) Aqueous high-temperature chemistry of carbo- and hetercycles. 12. Benzonitriles and pyridinecarbonitriles, benzamides and pyridinecarboxamides, and benzylamines and pyridylamines. Energy Fuels 4, 555-561.

(1064) (With A.R. Lapucha, J.V. Greenhill & M. Siskin) Aqueous high-temperature chemistry of carbo- and heterocycles. 13. Sulfides and disulfides. Energy Fuels 4, 562-571.

(1065) (With A.R. Lapucha, F.J. Luxem, J.V. Greenhill & M. Siskin) Aqueous high-temperature chemistry of carbo- and heterocycles. 14. Mercaptans and sulfonic acids. Energy Fuels 4, 572-577.

(1066) (With R. Murugan & M. Siskin) Aqueous high-temperature chemistry of carbo- and heterocycles. 15. Aquathermolysis of arenethiols and aryl sulfides in the presence and absence of sodium bisulfite. Energy Fuels 4, 577-584.

(1067) (With F. Saczewski) The chemistry of N-substituted benzotriazole. Reactions of N-(α-aminoalkyl)- and N-(α-amidoalkyl)-benzotriazoles with monodeprotonated nitroalkanes. Gazz. Chim. Ital. 110, 375-378.

(1068) (With J.N. Lam) The Chemistry of N-substituted benzotriazoles. Part 22. Transformations of 1-(trimethylsilyl)benzotriazole. Heteroatom Chem. 1, 21-31.

(1069) (With W.Q. Fan, K. Akutagawa & J. Wang) Carbon dioxide: A reagent for the simultaneous protection of nucleophilic centers and the activation of alternative locations to electrophilic attack. 16. A novel synthetic method for the side-chain functionalization of N-methyl-o-toluidine and for the preparation of 2-substituted N-methylindoles. Heterocycles 30, 407-414.

(1070) (With J.L. Jiang, P.A. Harris & P.J. Steel) Synthesis of 1,4,5-trisubstituted imidazoles. Heterocycles 31, 2187-2194.

(1071) (With M. Karelson, T. Tämm, M. Szafran & M.C. Zerner) Reaction field effects on the electronic structure of carbon radical and ionic centers. Int. J. Quantum Chem. 37, 1-13.

Alan Roy Katritzky

44

(1072) (With C.H. Watson, Z. Dega-Szafran & J.R. Eyler) Collisionally activated dissociation of N-alkylpyridinium cations to pyridine and alkyl cations in the gas phase. J. Am. Chem. Soc. 112, 2471-2478.

(1073) (With C.H. Watson, Z. Dega-Szafran & J.R. Eyler) Collisionally activated dissociation of N-alkylpyridinium cations to pyridinium cation and olefins in the gas phase. J. Am. Chem. Soc. 112, 2479-2484.

(1074) (With L. Wrobel & G.P. Savage) Diazidobis(benzotriazol-1-yl)methane and a novel route to 2H-imidazoles. J. Chem. Res. (S), 330-331.

(1075) (With Z.Q. Wang & R.J. Offerman) S,S'- and S,N-Disubstituted derivatives of 1,3,4-thiadiazoledithiones. J. Heterocycl. Chem. 27, 139-142.

(1076) (With W.Q. Fan) Preparation, characterization and reactions of novel vicinal dibenzotriazol-1-yl derivatives of benzotriazole and glyoxal. J. Heterocycl. Chem. 27, 1543-1547.

(1077) (With S. Perumal) Synthesis of some 4-substituted and 4,6-disubstituted dibenzothiophenes. J. Heterocycl. Chem. 27, 1737-1740.

(1078) (With P. Lue) Directed metallation of benzenesulfinamides. A novel route to meta-substituted aromatic compounds. J. Org. Chem. 55, 74-78.

(1079) (With L. Urogdi & A. Mayence) Benzotriazole-assisted synthesis of monoacyl aminals and their peptide derivatives. J. Org. Chem. 1990, 55, 2206-2214.

(1080) (With W.Q. Fan) A novel and versatile synthesis of 1-alkyl-, 1-aryl-, 1-(alkylamino)-, or 1-amido-substituted and of 1,2,6-trisubstituted piperidines from glutaraldehyde and primary amines or monosubstituted hydrazines. J. Org. Chem. 55, 3205-3209.

(1081) (With W.Q. Fan & C. Fu) A novel method for the synthesis of symmetrical vicinal tertiary and secondary diamines. J. Org. Chem. 55, 3209-3213.

(1082) (With P. Lue & Y.X. Chen) An alternative route to 2-substituted indoles via N-aminal-directed lithiation. J. Org. Chem. 55, 3688-3691.

(1083) (With K. Yannakopoulou, E. Anders, J. Stevens & M. Szafran) Ab initio and semiempirical calculations on the tautomeric equilibria of N-unsubstituted and N-substituted benzotriazoles. J. Org. Chem. 55, 5683-5687.

(1084) (With B. Nogaj, E. Dulewicz, B. Brycki, A. Hrynio, P. Barczynski, Z. Dega-Szafran, M. Szafran & P. Kozioł) Chlorine-35 nuclear quadrupole resonance and infrared spectroscopic studies of hydrogen bonding in complexes of dichloroacetic acid with nitrogen and oxygen bases. Correlation of spectroscopic properties with proton affinity and aqueous pKa. J. Phys. Chem. 94, 1279-1285.

(1085) (With A. Jozwiak, F. Saczewski & K. Yannakopoulou) Influence of structure on the isomerization of dialkylaminoalkylbenzotriazoles. J. Phys. Org. Chem. 3, 289-294.

(1086) (With V. Feygelman, G. Musumarra, P. Barczynski & M. Szafran) Aromaticity as a quantitative concept. 2. Sixteen familiar five- and six-membered monocyclic heterocycles. J. Prakt. Chem. 331, 853.

(1087) (With V. Feygelman, G. Musumarra, P. Barczynski & M. Szafran) Aromaticity as a quantitative concept. 3. Benzo-fused five- and six-membered heterocycles. J. Prakt. Chem. 331, 870-884.

(1088) (With P. Barczynski) Aromaticity as a quantitative concept. 4. Less familiar five- and six-membered monocyclic heterocycles. J. Prakt. Chem. 331, 886-897.

(1089) (With S. Perumal) A proton and carbon NMR spectral study of 4-substituted and 4,6-disubstituted dibenzothiophenes. Magn. Reson. Chem. 28, 914-917.

(1090) (With B. Pilarski & J.W. Johnson) A one-pot procedure for the preparation of phosphonic acids from alkyl halides. Org. Prep. Proced. Int. 22, 209-213.

(1091) (With B. Rachwal & S. Rachwal) Synthesis and NMR-spectral characterization of N,N-dialkyl-3-nitroanilines, N,N-dialkyl-1,3-benzenediamines and their acyl derivatives. Rec. Trav. Chim. Pays-Bas 109, 337-345.

(1092) (With G.P. Savage) New sensor coatings for the detection of atmospheric contaminants and water. in Reviews on Heteratom Chemistry (1990).

(1093) (With S. Perumal & G.P. Savage) A nuclear magnetic resonance study of three isomeric dinaphthothiophenes. Spectrochim. Acta A 46, 1027-1033.

(1094) (With X.H. Zhao & G.J. Hitchings) The synthesis of bis(N,N-disubstituted amino) trisulphides. Synlett. 473-476.

(1095) (With X.F. Lan & J.N. Lam) Benzotriazole mediated synthesis of methylenebisanilines. Synthesis, 341-346

(1096) (With J. Borowiecka & W.Q. Fan) A novel synthesis of α-aminoaldehydes from glyoxal monoacetal. Synthesis 1990, 1173-1176.

(1097) (With F. Saczewski) Preparation of N-(4,5-dihydroimidazol-2-yl)azoles by aliphatic aldehyde assisted reactions of 2-chloro-4,5-dihydroimidazole with various azoles. Synthesis 1990, 561-563.

Alan Roy Katritzky

45

(1098) (With M. Latif, G. Noble & P. Harris) Preparation of N-alkyl, 2-substituted iminodiacetic acid derivatives. Synthesis 1990, 999-1001.

(1099) (With J.L. Jiang & L. Urogdi) 1-(Triphenylphosphoroylideneaminomethyl)benzotriazole (BETMIP) a novel =NCH2

+ equivalent: its application to the synthesis of carbodiimides, imines, isothiocyanates, aziridines, and secondary amines. Synthesis 1990, 565-567.

(1100) (With M.S. Chander Rao) A novel synthesis of acyclic N-(α-hydroxybenzyl)benzamides. Synthesis 1990, 663-666.

(1101) (With Z.J. Yang & J.N. Lam) Tris(benzotriazol-1-yl)methane: A -CO2H synthon for the preparation of carboxylic acids. Synthesis 1990, 666-669.

(1102) (With R.J. Offerman, J.M. Aurrecoechea & G.P. Savage) Synthesis and response of new microsensor coatings. II. Acridinium betaines and anionic surfactants. Talanta 37, 911-919.

(1103) (With G.P. Savage, R.J. Offerman & B. Pilarski) Synthesis of new microsensor coatings and their response to vapors-III Arylphosphonic acids, salts and esters. Talanta 37, 921-924.

(1104) (With P. Lue & K. Yannakopoulou) Synthesis of 3(5)-substituted 1,2,4-triazoles by lithiation of 1-(1-pyrrolidoinomethyl)-1,2,4-triazole. Tetrahedron 46, 641-648.

(1105) (With A. Jozwiak, P. Lue, K. Yannakopoulou, G.J. Palenik & Z.Y. Zhang) Isomerisations of N-(α-aminoalkyl)-1,2,4-triazoles and N-(α-aminoalkyl)tetrazoles. Tetrahedron 46, 633-640.

(1106) (With P.A. Harris) Benzotriazole-assisted synthesis of novel Mannich bases from ketones and diverse aldehydes. Tetrahedron 46, 987-996.

(1107) (With J. Marquet, M. Moreno-Manas, P. Pacheco, M. Prat & B. Brycki) C-Alkylation of β-diketones with benzylpyridinium salts. Evidence for chain radical mechanisms. Tetrahedron 46, 5333-5346.

(1108) (With Q.H. Long, P. Lue & A. Jozwiak) Benzotriazole-assisted synthesis of enamines. Tetrahedron 46, 8153-8160.

(1109) (With M. Szafran, N. Malhotra, S. Chaudry & E. Anders) Aromaticity as a quantitative concept. Part V: A Comparison of semi-empirical methods for the calculation of molecular geometries of heteroaromatic compounds and application of the AM1 and MNDO methods to the calculation of Bird's aromaticity indices. Tetrahedron Comput. Methodol. 3, 247-269.

(1110) (With M. Karelson) Importance of dipolar resonance structures in determining ground state charge distribution. Tetrahedron Lett. 31, 2987-2990.

(1111) (With N. Shobana & P.A. Harris) Preparation of β-aminoesters from ketene silyl acetals and N-(alkylamino)benzotriazoles. Tetrahedron Lett. 31, 3999-4002.

(1112) (With A. Kotali) A. Synthesis of o-acylarylcarboxylic esters: a new replacement of phenolic hydroxyl by a carbonyl group. Tetrahedron Lett. 31, 6781-6784.

(1113) (With G P Savage, R.J. Offerman & B. Pilarski) Surface acoustic wave and chemiresistor responses to vapor challenges using arylphosphonic acids, salts, and esters as microsensor coatings. Proceedings of the U.S. Army Chemical Research (8 pp)

(1114) 1991 (With M. Gordeev) New 1H-benzotriazole-mediated synthesis of N,N′-disubstituted thioureas and carbodiimides. J. Chem. Soc. Perkin Trans. 1, 2199-2203.

(1115) (With X.H. Zhao & I.V. Shcherbakova) A novel synthetic approach to ethers. J. Chem. Soc. Perkin Trans. 1, 3295-3299.

(1116) (With N. Malhotra, W.Q. Fan & E. Anders) A mechanistic study of the rearrangement of 1-benzoyloxybenzotriazoles to 3-benzoylbenzotriazole 1-oxides. J. Chem. Soc. Perkin Trans. 1, 1545-1547.

(1117) (With J.L. Jiang & P.A. Harris) Synthesis of α-(arylidineamino)alkylamines. Can. J. Chem. 69, 1153-1155.

(1118) (With X.F. Lan & J.N. Lam) Ring fragmentation of benzotriazol-1-yl carbanions. Chem. Ber. 124, 1431-1434.

(1119) (With X.F. Lan & J.N. Lam) O-(α-Benzotriazolylalkyl)phenols: versatile intermediates for the synthesis of substituted phenols. Chem. Ber. 124, 1809-1817.

(1120) (With X.F. Lan & J.N. Lam) N-[α-(o- and p-Methoxyaryl)alkyl]benzotriazoles: preparation and use in synthesis. Chem. Ber. 124, 1819-1826.

(1121) (With M. Siskin & M. Balasubramanian) Aqueous organic chemistry. 4. Cleavage of diaryl ethers. Energy Fuels 5, 770-771.

(1122) (With R. Murugan, M. Balasubramanian, J.V. Greenhill, M. Siskin & G. Brons) Aqueous high-temperature chemistry of carbo- and heterocycles. 16. Model sulfur compounds: a study of hydrogen sulfide generation. Energy Fuels 5, 823-834.

(1123) (With P. Lue & N. Malhotra) Synthesis of vinylsulphinamides from trimethylsilylmethane-sulphinamides via Peterson olefination. Gazz. Chim. Ital. 111, 471-474.

(1124) (With S. Perumal, W. Kuzmierkiewicz, P. Lue & J.V. Greenhill) A novel synthesis of t-alkyl sulfides. Helv. Chim. Acta 73, 1924-1930.

Alan Roy Katritzky

46

(1125) (With A.S. Afridi & W. Kuzmierkiewicz) A convenient synthesis of vinyl sulfides. Helv. Chim. Acta 73, 1931-1935.

(1126) (With W. Kuzmierkiewicz & S. Perumal) Isomerization of N-[α-(alkylthio)alkyl]- and N-[α-(arylthio)alkyl]-benzotriazoles. Helv. Chim. Acta 73, 1936-1940.

(1127) (With M. Karelson & N. Malhotra) Heterocyclic aromaticity. Heterocycles, 32, 127-161. (1128) (With M. Karelson & P.A. Harris) Prototropic tautomerism of heteroaromatic compounds.

Heterocycles 32, 329-369. (1129) (With M. Karelson) AM1 calculations of reaction field effects on the tautomeric equilibria of nucleic

acid pyrimidine and purine bases and their 1-methyl analogues. J. Am. Chem. Soc. 113, 1561-1566. (1130) (With W.Q. Fan) Novel preparation of polyfluoroalkyl secondary and tertiary amines. J. Fluorine

Chem. 51, 33-41. (1131) (With Z.Q. Wang & G.P. Savage) The preparation of some tetradecyl-substituted benzocarbazoles

and benzacridines. J. Heterocycl. Chem. 28, 321-323. (1132) (With M.S. Chander Rao & J. Stevens) Compounds with potential secondary order non-linear optical

activity. J. Heterocycl. Chem. 28, 1115-1119. (1133) (With J. Borowieck, W.Q. Fan & L.H. Brannigan) Some novel S-mono- and S,S'-unsymmetrical di-

substituted derivatives of 1,3,4-thiadiazoledithione. J. Heterocycl. Chem. 28, 1139-1141. (1134) (With M. Karelson & M.C. Zerner) AM1, PM3, and MNDO calculations of radical formation

energies in the gas phase and in solution. J. Org. Chem. 56, 134-137. (1135) (With W.Q. Fan, J.V. Greenhill & P.J. Steel) 4-(Benzotriazol-1-yl)-6H-benzo[c]tetrazolo[1,5-e]-

[1,2,5]triazepine, a new heterocyclic ring system formed by a novel benzotriazole ring opening. J. Org. Chem. 56, 1299-1301.

(1136) (With Z.J. Yang & J.N. Lam) 1-(Carbazol-9-ylmethyl)benzotriazole anion: A formyl anion equivalent. J. Org. Chem. 56, 2143-2147.

(1137) (With X.F. Lan & J.N. Lam) Benzotriazole as a synthetic auxiliary. Advantageous syntheses of substituted diarylmethanes and heterocyclic analogues. J. Org. Chem. 56, 4397-4403.

(1138) (With J. Pernak, W.Q. Fan & F. Saczewski) N-(1-Benzotriazol-1-ylalkyl)amides, versatile α-amidoalkylation reagents. 1. α-Amidoalkylation of CH acids. J. Org. Chem. 56, 4439-4443.

(1139) (With N. Malhotra, G.P. Ford, E. Anders & J.G. Tropsch) SN1 dissociation pathways for N-benzylpyridiniums. A search using molecular orbital methods for ion-molecule complexes as possible reaction intermediates. J. Org. Chem. 56, 5039-5044.

(1140) (With M. Black & W.Q. Fan) Carbon dioxide. A reagent for the simultaneous protection of nucleophilic centers and the activation of alternative locations to electrophilic attack. 17. Substitution of N-methyl-1- and N-methyl-2-naphthylamine and side-chain functionalization of o-toluidine. J. Org. Chem. 56, 5045-5048.

(1141) (With P.A. Harris & A. Kotali) Mechanism of the replacement of phenolic hydroxyl by carbonyl on lead tetraacetate treatment of o-hydroxyaryl ketone acylhydrazones. J. Org. Chem. 56, 5049-5051.

(1142) (With Z.J. Yang & J.N. Lam) Substituted (carbazol-9-yl)(benzotriazol-1-yl)methanes: novel acyl anion equivalents. J. Org. Chem. 56, 6917-6923.

(1143) (With D.W. Zhu & K.S. Schanze) Intramolecular charge transfer properties of dicyanovinyl-substituted aromatics. J. Phys. Chem. 95, 5737-5742.

(1144) (With N. Malhotra, W.Q. Fan, J.A. Zimmerman, J.R. Eyler & L. Brannigan) Preparation and collisionally activated dissociation of N-(diarylmethyl)pyridinium cations in the gas phase. J. Serbian Chem. Soc. 56.

(1145) (With D.W. Zhu) Formylation of pendant aromatic groups attached to linear polymer chains. Macromolecules 24, 20-22.

(1146) (With G.J. Hitchings, R.W. King & D.W. Zhu) 1H and 13C Nuclear magnetic resonance studies of ethenyl-substituted benzenoid aromatic compounds. Magn. Reson. Chem. 29, 2-8.

(1147) (With S. Rachwal & S. Bayyuk) An improved Fischer synthesis of nitroindoles. 1,3-Dimethyl-4-, 5-, and 6-nitroindoles. Org. Prep. Proced. Int. 23, 357-363.

(1148) (With J. Wu & S. Rachwal) N-Alkylation of hindered secondary aromatic amines with 2-iodobutane. Org. Prep. Proced. Int. 23, 399-402.

(1149) (With C. Ebert & G. Musumarra) 'Classical' and 'magnetic' aromaticities as new descriptors for heteroaromatics in QSARs. PLS prediction of Tetrahymena pyriformis growth inhibition by heteroaromatics. Quant. Struct.-Act. Relat. 10, 101-106.

(1150) (With C. Ebert & G. Musumarra) Effects of the heteroaromatic moiety on the antisecretory activities of heteroarylmethyl heteroaryl sulfides. Quant. Struct.-Act. Relat. 10, 107-109.

(1151) With C. Ebert & G. Musumarra) Classical and magnetic aromaticities as new descriptors for heteroaromatics in QSAR. in QSAR: Rational Approaches to the Design of Bioactive Compounds.

(1152) (With W. Kuzmierkiewicz & J.V. Greenhill) An improved method for the N-alkylation of benzotriazole and 1,2,4-triazole. Rec. Trav. Chim. Pays-Bas 110, 369-373.

Alan Roy Katritzky

47

(1153) (With M. Karelson & G. Hitchings) Cycloaddition reactions of six-membered heteroaromatic betaines. Rev. Heteratom Chem.

(1154) (With J.Z. Brzezinski & J.N. Lam) 1-Cyanobenzotriazole: a safe and convenient source of CN-cation. Rev. Roum. Chim. 36, 573-580.

(1155) (With M. Siskin) Reactivity of organic compounds in hot water: geochemical and technological implications. Science 254, 231-237.

(1156) (With S. Rachwal & B. Rachwal) A novel synthesis of esters via substitution of the benzotriazolyl group in 1-(benzotriazol-1-yl)alkyl esters with organozinc reagents. Synthesis 1991, 69-73.

(1157) (With S.I. Bayyuk & S. Rachwal) An efficient synthesis of ketone enol ethers mediated by N-(1-alkoxyalkyl)benzotriazoles. Synthesis 1991, 279-283.

(1158) (With X.H. Zhao & G. Hitchings) Convenient preparations of imines and symmetrical secondary amines possessing primary or secondary alkyl groups. Synthesis 1991, 703-708.

(1159) (With G. Hitchings & X.H. Zhao) The synthesis of pyrroles and dihydropyrroles by 1,3-dipolar cyclisations of N-arylmethylene[(benzotriazol-1-yl)arylmethyl]amines. Synthesis 1991, 863-867.

(1160) (With J. Pernak & W.Q. Fan) N-[1-(Benzotriazol-1-yl)alkyl]amides, versatile amidoalkylation reagents. Part 2. Amidoalkylation of aromatic compounds. Synthesis 1991, 868-870.

(1161) (With I. Takahashi, W.Q. Fan & J. Pernak) N-[1-(benzotriazol-1-yl)alkyl]amides, versatile amidoalkylation reagents. Part 3. Syntheses of open-chain N-protected-hemithioaminals. Synthesis 1991, 1147-1150.

(1162) (With G.P. Savage & M. Pilarska) The response of some organic microsensor coatings to a variety of vapors. Talanta 38, 201-204.

(1163) (With J.N. Lam & H.M. Faid-Allah) Synthesis of new microsensor coatings and their response to test vapors. 2,4,6-Trisubstituted-1,3,5-triazine derivatives. Talanta 38, 535-540.

(1164) (With S. Rachwal & G.J. Hitchings) Benzotriazole: a novel synthetic auxiliary. Tetrahedron 47, 2683-2732.

(1165) (With Q.H. Long & P. Lue) The chemistry of N-substituted benzotriazoles: A novel route to dienamines. Tetrahedron Lett. 32, 3597-3600.

(1166) (With N. Shobana & P.A. Harris) Water-tolerant unstabilized carbanion equivalent: bismuth(III) chloride-aluminum promoted alkylations of immonium cations to amines in aqueous media. Tetrahedron Lett. 32, 4247-4248.

(1167) (With J.W. Frankenfield) Aromatic substituted benzotriazole-containing lubricants having improved oxidation stability.U.S. Patent 91USP4997585.

(1168) 1992 (With M.F. Gordeev, J.V. Greenhill & P.J. Steel) Mannich/Friedel-Crafts preparations of 1-(arylmethyl)benzotriazoles and synthetic transformations of their lithio derivatives. J. Chem. Soc. Perkin Trans. 1, 1111-1117.

(1169) (With M.F. Gordeev) New synthesis of diarylalkynes from 1-(arylmethyl)benzotriazoles and arylideneamines. J. Chem. Soc. Perkin Trans. 1, 1295-1298.

(1170) (With J.L. Jiang, J.V. Greenhill & P.J. Steel) A novel addition-rearrangement of O-(1-benzotriazolylalkyl)oximes with organolithium reagents. Convenient non-oxidative conversions of aldehydes into amides. J. Chem. Soc. Perkin Trans. 1, 3055-3060.

(1171) (With M. Balasubramanian & M. Siskin) Dramatic effects caused by alkali metal salts on hydrolytic reaction rates of diaryl ethers in aqueous solutions at high temperatures (250 and 315 °C). J. Chem. Soc. Chem. Commun. 1233-1234.

(1172) (With K. Ogawa, S. Yoshimura, Y. Takeuchi & R. Murugan) Structure of 1,3,5-Tribenzoylperhydro-1,3,5-triazine. Acta Cryst. C48, 1071-1074.

(1173) (With P.J. Steel, J.V. Greenhill, G.J. Hitchings & X.H. Zhao) Structures of two 4,5-dihydro-3H-pyrroles (1-pyrrolines). Acta Cryst. C48, 325-328.

(1174) N-Substituted benzotriazoles: properties, reactivities and synthetic utility. Bull. Soc. Chim. Belges 101, 409-413.

(1175) (With I.V. Shcherbakova, R.D. Tack & P.J. Steel) Reactions of unactivated olefins with Vilsmeier reagents. Can. J. Chem. 70, 2040-2045.

(1176) (With E. Anders, R. Koch, N. Malhotra, J.R. Eyler & J.A. Zimmerman) Collisionally activated dissociation of some bulkily substituted pyridinium cations, II. Substituent effect on appearance potential. Chem. Ber. 125, 177-181.

(1177) Heterocyclic chemistry: an academic subject of immense industrial importance. Chem. Heterocyclic Compds 28, 241-259.

(1178) (With C. M. Marson) Heterocyclic chemistry, in Encyclopaedia of Physical Science and Technology. (1179) (With M. Balasubramanian & M. Siskin) Aqueous high-temperature chemistry of carbo- and

heterocycles. 17. Thiophene, tetrahydrothiophene, 2-methylthiophene, 2,5-dimethylthiophene, benzo[b]thiophene, and dibenzothiophene. Energy Fuels 6, 431-438.

Alan Roy Katritzky

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(1180) (With A.R. Lapucha & M. Siskin) Aqueous high-temperature chemistry of carbo- and heterocycles. 18. Six-membered heterocycles with one nitrogen atom. Pyridine, quinoline, acridine, and phenanthridine systems. Energy Fuels 6, 439-450.

(1181) (With F.J. Luxem, R. Murugan, J.V. Greenhill & M. Siskin) Aqueous high-temperature chemistry of carbo- and heterocycles. 19. Pyrroles and indoles. Energy Fuels 6, 450-455.

(1182) (With J.N. Lam) Heterocyclic N-oxides and N-imides. Heterocycles 33, 1011-1049. (1183) (With W.Q. Fan) Mechanisms and rates of the electrophilic substitution reactions of heterocycles.

Heterocycles 34, 2179-2229. (1184) (With T.C. Ho & S.J. Cato) Effect of nitrogen compounds on cracking catalysts. Ind. Eng. Chem. Res.

31, 1589-1597. (1185) (With F.B. Ji, W.Q. Fan, P. Beretta & M. Bertoldi) Syntheses of triazolo[6,7-d]phthalide and

triazolo[6,7-d]dihydrocoumarin. J. Heterocycl. Chem. 29, 1519-1523. (1186) (With F.B. Ji, W.Q. Fan, J.K. Gallos, J.V. Greenhill, R.W. King & P.J. Steel) Novel Dimroth

rearrangements of the benzotriazole system: 4-Amino-1-(arylsulfonyl)benzotriazoles to 4-[(arylsulfonyl)amino]benzotriazoles. J. Org. Chem. 57, 190-195.

(1187) (With W.Q. Fan, M. Black & J. Pernak) N-[1-(Benzotriazol-1-yl)alkyl]amides, versatile amidoalkylation reagents. 5. A general and convenient route to N-(α-alkoxyalkyl)amides. J. Org. Chem. 57, 547-549.

(1188) (With E. Anders, N. Malhotra & J. Stevens) A MO theoretical study on the rearrangement of 1-hydroxy- and 1-(acyloxy)-1,2,3-triazoles and their benzotriazole analogues: Comparison of ab initio and semiempirical calculations. J. Org. Chem. 57, 3698-3705.

(1189) (With S. Rachwal, B. Rachwal & P.J. Steel) Additions of 1-(α-alkoxybenzyl)benzotriazoles to enol ethers. New routes to 1,3-diethers. J. Org. Chem. 57, 4925-4931.

(1190) (With S. Rachwal, B. Rachwal & P.J. Steel) Additions of 1-(α-aminoalkyl)benzotriazoles to enol ethers. New routes to 1,3-amino-ethers. J. Org. Chem. 57, 4932-4939.

(1191) (With D.W. Zhu & M.K. Bernard) Synthesis of N-(arylmethyl)diethanolamines and of other pyrenediols. Addition polymerizations of pyrenyl monomers. J. Polym. Sci. Part A 30, 1443-1448.

(1192) (With J. Pernak & W.Q. Fan) N-[1-(Benzotriazol-1-yl)alkyl]amides, versatile amidoalkylation reagents. Part 4. A new synthetic route to 4H-1,3-oxazines. J. Prakt. Chem. 334, 114-118.

(1193) (With J.Q. Li & N. Malhotra) N-Vinyl-, N-allyl-, N-propenyl- and N-propargyl-benzotriazoles: Reactions of their lithium derivatives. Liebigs Ann. Chem. 1992, 843-853.

(1194) (With N. Malhotra, Z. Dega-Szafran, G.P. Savage, J.R. Eyler & C.H. Watson) Collisionally activated dissociation of 2,4,6-triphenylpyridinium cations. Org. Mass Spectrom. 27, 1317-1321.

(1195) (With J. Wu, S. Rachwal, B. Rachwal, D.W. Macomber & T.P. Smith) Preparation of 6-, 7- and 8-membered sultams by Friedel-Crafts cyclization of ω-phenylalkanesulfamoyl chlorides. Org. Prep. Proced. Int. 24, 463-466.

(1196) (With N. Shobana & P.A. Harris) A new synthesis of an amino acid based sweetener. Org. Prep. Proced. Int. 24, 121-126.

(1197) (With B. Galuszka, Y.M. Zhang & S. Rachwal) A novel route to N-(benzotriazol-1-ylmethyl)amides Org. Prep. Proced. Int. 24, 475-478.

(1198) (With N. Shobana & P.A. Harris) Bismuth(III) chloride-aluminum-promoted alkylations of immonium cations to amines in aqueous media: Unstabilized carbanion equivalents for use in the presence of water. Organometallics 11, 1381-1384.

(1199) (With S. Rachwal, C.V. Hughes & Z. Wang) The reactions of benzotriazole with unsaturated aldehydes and ketones in the presence or absence of amines. Polish J. Chem. 66, 1634-1652.

(1200) (With S. Rachwal) Propenylideniminium cations and 3-(benzotriazol-1-yl)-1-amino-1-propenes by the elimination of benzotriazole from 1,3-bis(benzotriazol-1-yl)propylamines. Polish J. Chem. 66, 1653-1671.

(1201) (With N. Malhotra, R. Ramanathan, R.C. Kemerait, J.A. Zimmerman & J.R. Eyler) Measurement of gas-phase binding energies of crown ethers with metal ions by Fourier-transform ion cyclotron resonance mass spectrometry. Rapid Comm. Mass Spectrom. 6, 25-27.

(1202) (With X.F. Lan) o-(α-Benzotriazolylalkyl)phenols: Novel precursors of o-quinone methides. Synthesis 1992, 761-764.

(1203) (With Q.H. Long, N. Malhotra, T.A. Ramanarayanan & H. Vedage) Synthesis of 4,7-substituted 1,10-phenanthrolines. Synthesis 1992, 911-913.

(1204) (With S. Jurczyk, B. Rachwal, S. Rachwal, I. Shcherbakova & K. Yannakopoulou) New synthesis of amines and amides mediated by additions of benzotriazole to enamines and enamides and transformations of the adducts. Synthesis 1992, 1295-1298.

(1205) (With Z.J. Yang & J.N. Lam) Aminoalkylbenzotriazoles: reagents for the aminoalkylation of electron rich heterocycles. Tetrahedron 48, 4971-4978.

Alan Roy Katritzky

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(1206) (With N. Shobana, J. Pernak, A.S. Afridi & W.Q. Fan) Sulfonyl derivatives of benzotriazole: Part 1. A novel approach to the activation of carboxylic acids. Tetrahedron 48, 7817-7822.

(1207) (With P.A. Harris) Enantioselective ethylation of N-(amidobenzyl)benzotriazoles catalysed by chiral aminoalcohols. Tetrahedron Asym. 3, 437-442.

(1208) (With S.N. Vaughn, M. Siskin, G. Brons, S.D. Reynolds, C.C. Culross & D.R. Neskora) Conversion of coal with promoted carbon monoxide pretreatment.U.S. Patent 92USP5151173 (13 pp).

(1209) 1993 (With J. Wu, L. Wrobel, S. Rachwal & P.J. Steel) Novel conversions of benzotriazol-1-ylmethyl derivatives. Acta Chem. Scand. 47, 167-175.

(1210) (With G.W. Rewcastle) Generation and reactions of sp2-carbanionic centers in the vicinity of heterocyclic nitrogen atoms. Adv. Heterocycl. Chem. 56, 155-302.

(1211) (With M. Siskin, G. Brons, S.N. Vaughn, M. Balasubramanian & J.V. Greenhill) Aqueous organic chemistry. 6. Reactivity of hydroxynaphthalenes. Energy Fuels 7, 589-597.

(1212) (With M. Siskin & M. Balasubramanian) Aqueous organic chemistry. 5. Diaryl ethers: diphenyl ether, 1-phenoxynaphthalene and 9-phenoxyphenanthrene. Fuel 72, 1435-1444.

(1213) (With V.Y. Mortikov, J.N. Lam, M. Sutharchanadevi & M.A. Francisco) β-Benzotriazolylethyl phosphates and phosphonic esters. Heteroatom Chem. 2, 97-101.

(1214) (With M.F. Gordeev) Heterocyclic rearrangements of benzofuroxans and related compounds. Heterocycles 35, 483-518.

(1215) (With G.F. Zhang, J. Pernak & W.Q. Fan) N-Sulfonylbenzotriazoles. Part 2. Reactions of 1,1′-sulfonyldibenzotriazole and 1-benzenesulfonyl-1,2,4-triazole with alcohols; a new approach to N-alkylbenzotriazoles and N-alkyl-1,2,4-triazoles. Heterocycles 36, 1253-1262.

(1216) (With Z.J. Yang, J.N. Lam & D.J. Cundy) Aromatic annulations via benzotriazol-1-yl-phenylthiomethane as a 1,1-dipole synthon equivalent. Heterocycles 36, 1367-1373.

(1217) (With D.E. Leahy & B. Mancheño) Basicities and tautomerism of substituted methano-bridged aza[10]annulenes: 10π-analogues of pyridine. Heterocycles 36, 2483-2488.

(1218) (With E.V. Gordeeva, V.V. Shcherbukhin & N.S. Zefirov) Rapid conversion of molecular graphs to three-dimensional representation using the MOLGEO program. J. Chem. Inf. Comput. Sci. 33, 102-111.

(1219) (With E.V. Gordeeva) Traditional topological indices vs electronic, geometrical, and combined molecular descriptors in QSAR/QSPR research. J. Chem. Inf. Comput. Sci. 33, 835-857.

(1220) (With M.F. Gordeev, V. Gupta & P.J. Steel) Thiol-olefin co-oxidation of arenethiols with endo-dicyclopentadiene: structures of the major and minor products. J. Chem. Res. (S), 472-473.

(1221) (With M. Szafran, M. Karelson, J. Koput & M.C. Zerner) Reconsideration of solvent effects calculated by semiempirical quantum chemical methods. J. Comput. Chem. 14, 371-377.

(1222) (With B. Rachwal, S. Rachwal, D. Macomber & T.P. Smith) Naphth[1,2-d]oxazole intermediates in the preparation of 3-hydroxy-4-(1-alkyl-3-methyl-5-hydroxy-4-pyrazolyl)-azo-1-naphthalene-sulfonamide dyes. J. Heterocycl. Chem. 30, 135-139.

(1223) (With X.F. Lan & Z.X. Zhang) Novel routes to 1-aryl-1,4-dihydro-3(2H)-isoquinolinones and 2-substituted or 2,3-disubstituted benzofurans by intramolecular cyclizations. J. Heterocycl. Chem. 30, 381-387.

(1224) (With V. Gupta & M.F. Gordeev) Synthesis and transformations of 1-(1,3-butadien-1-yl)benzotriazoles. J. Heterocycl. Chem. 30, 1073-1077.

(1225) (With M. Szajda & J.N. Lam) β-Lithiations of carboxamides. Synthesis of β-substituted-α,β-unsaturated amides. J. Heterocycl. Chem. 30, 1261-1265.

(1226) (With W.Q. Fan) A reexamination of the reactions of 2,3-dichloro-1,4-naphthoquinone with thioamides. J. Heterocycl. Chem. 30, 1679-1682.

(1227) (With S.J. Cato & J.A. Deyrup) A. comparison of the scope, timeliness and quality of chemical abstracts from VINITI and CAS. J. Inf. Sci. 19, 199-210.

(1228) (With B. Rachwal & S. Rachwal) Additions of 1-(aminomethyl)benzotriazoles to enamines, enamides, and vinyl ethers: Novel routes to 1,3-diamines and tetrahydroquinolines. J. Org. Chem. 58, 812-813.

(1229) (With Z.J. Yang & J.N. Lam) 3-(Dialkylamino)-1-(benzotriazol-1-yl)-1-(carbazol-9-yl)propanes: novel β-aminoacyl anion equivalents. J. Org. Chem. 58, 1970-1972.

(1230) (With J.L. Jiang & J.V. Greenhill) 1,2- And 1,3-monoazabisylides as novel synthons. J. Org. Chem. 58, 1987-1988.

(1231) (With G.W. Yao, X.F. Lan & X.H. Zhao) The conversion of secondary into tertiary amides using benzotriazole methodology. J. Org. Chem. 58, 2086-2093.

(1232) (With J.Q. Li & M.F. Gordeev) New synthetic routes to furans and dihydrofurans from 1-propargylbenzotriazole. J. Org. Chem. 58, 3038-3041.

Alan Roy Katritzky

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(1233) (With M.F. Gordeev) Lithium tetrafluoroborate-assisted reactions of N-(α-aminoalkyl)benzotriazoles with olefins and 1,3-dienes. New syntheses of 1,2,5,6-tetrahydropyridinium salts, 1,2,3,4-tetrahydroquinolines, and some related heterocyclic systems. J. Org. Chem. 58, 4049-4053.

(1234) (With L.H. Xie & W.Q. Fan) Convenient novel syntheses of 1,1-bis(heteroaryl)alkanes. J. Org. Chem. 58, 4376-4381.

(1235) (With G.F. Zhang, W.Q. Fan, J. Wu & J. Pernak) Studies on the thermal decarboxylation of 1-alkoxycarbonylbenzotriazoles. J. Phys. Org. Chem. 6, 568-573.

(1236) (With D.W. Zhu & K.S. Schanze) Synthesis of substituted poly(1-vinylpyrene)s and investigation of their fluorescent properties. J. Polym. Sci. Part A 31, 2187-2195.

(1237) (With H. Morgans, G. Williams, G.J.T. Tiddy & G.P. Savage) Lyotropic liquid crystal phase behaviour of the zwitterionic surfactants 4-n-tridecyl- and 4-n-heptadecyl-pyridinium N-oxide in water. Liq. Cryst. 15, 899-908.

(1238) (With I.V. Shcherbakova, B. Mancheño & R.D. Tack) Conformational analysis of substituted 5,6-dihydro-4H-1,3-oxazines. Magn. Reson. Chem. 31, 615-620.

(1239) (With M.K. Bernard, Q.H. Long, L.H. Xie, N Malhotra & M. Beltzer) The reactions of some alkoxycarbonyl isothiocyanates with alcohols, phenols and amines. Org. Prep. Proced. Int. 25, 83-90.

(1240) (With G.F. Zhang & W.Q. Fan) 1,1'-Carbonyldibenzotriazole and 1,1-sulfonyldibenzotriazole. Versatile reagents for the dehydration of aldoximes and amides to nitriles. Org. Prep. Proced. Int. 25, 315-319.

(1241) (With Z.J. Yang & D.J. Cundy) An improved large-scale preparation of 3,3',4,4'-tetraaminodiphenyl ether. Org. Prep. Proced. Int. 25, 478-480.

(1242) (With B. Galuszka, S. Rachwal & D. Lynch) Preparation of phenylglycolic acids and sodium p-(N,N-dialkylamino)phenylglycolates. Org. Prep. Proced. Int. 25, 557-562.

(1243) (With M. Balasubramanian & M. Siskin) Synthesis of 1-hydroxy-7-phenoxynaphthalene. Org. Prep. Proced. Int. 25, 585-587.

(1244) (With K. Yannakopoulou, P. Barczynski, M. Szafran & M. Karelson) The ionization and conductivity of N-(α-aminoalkyl)benzotriazoles in nitromethane. Org. Reactivity 1993, 92-95.

(1245) (With M. Szajda, J. N. Lam) The chemistry of some 1-(α-fluoroalkyl)benzotriazoles. Polish J. Chem. 67, 1243-1250.

(1246) (With D. J. Cundy & J. Chen) Polyiodoimidazoles and their nitration products. Proc. Chem. Soc. Spain 1993, 345-352.

(1247) (With B. Rachwal, S. Rachwal, T.P. Smith & D.W. Macomber) Preparation of dyes derived from Eriochrome Red B and Acid Alizarin Violet N soluble in organic solvents. Rec. Trav. Chim. Pays-Bas 112, 552-556.

(1248) (With L. Caruso & G. Musumarra) 'Classical' and 'magnetic' aromaticities as new descriptors for heteroaromatics in QSAR. Part 3. Principal properties for heteroaromatics. Quant. Struct.-Act. Relat. 12, 146-151.

(1249) (With M.F. Gordeev) A new cyclopropanation of 1,1-diarylethylenes via Ziegler type addition of α-(benzotriazol-1-yl) carbanions. Synlett 1993, 213-214.

(1250) (With L.H. Xie & W.Q. Fan) Synthesis of α-amino isocyanides and α-alkylthio isocyanides. Synthesis 1993, 45-47.

(1251) (With L.H. Xie, A.S. Afridi, W.Q. Fan & W. Kuzmierkiewicz) Thioalkylation of reactive aromatic compounds with α-(benzotriazol-1-yl)benzyl phenyl sulfide. Synthesis 1993, 47-50.

(1252) (With W.Q. Fan & Q.H. Long) A convenient synthesis of N-(α-alkoxyalkyl)- and N-[α-(alkylthio)alkyl]amines. Synthesis 1993, 229-232.

(1253) (With R.A. Barcock, Q.H. Long, M. Balasubramanian, N. Malhotra & J.V. Greenhill) New routes to enaminones and dienaminones from benzotriazole derivatives. Synthesis 1993, 233-236.

(1254) (With J. Wu, S. Rachwal, D. Macomber & T.P. Smith) A novel method for the preparation of 3-amino-4-hydroxybenzenesulfonamide percursors of Acid Alizarin Violet N derivatives. Synth. Commun. 23, 405-417.

(1255) (With H.Y. Lang & X.F. Lan) A new and efficient conversion of alkylphenols into the corresponding substituted salicylic acids. Synth. Commun. 23, 1175-1182.

(1256) (With F.B. Ji, W.Q. Fan & I. Delprato) Synthesis of 5,5-di-(benzotriazol-5-ylmethyl)-2,2-dimethyl-1,3-dioxane-4,6-dione and 5-(benzotriazol-5-ylmethyl)-2,2,5-trimethyl-1,3-dioxane-4.6-dione. Synth. Commun. 23, 2019-2025.

(1257) (With Z.J. Yang & D.J. Cundy) (Benzotriazol-1-yl)methoxymethyl anion: a novel methylal anion equivalent. Synth. Commun. 23, 3061-3071.

(1258) (With H.Y. Lang & X.F. Lan) A new route to N-substituted heterocycles. Tetrahedron 49, 2829-2838. (1259) (With I.V. Shcherbakova, R.D. Tack & X.Q. Dai) Synthesis and some transformations of substituted

5,6-dihydro-4H-1,3-oxazines. Tetrahedron 49, 3907-3918.

Alan Roy Katritzky

51

(1260) (With H.Y. Lang & X.F. Lan) Novel routes to 4-substituted N,N-dialkylanilines, N-alkylanilines and anilines. Tetrahedron 49, 7445-7454.

(1261) (With J.T. Gupton, F.A. Hicks, S.Q. Smith, A D. Main, S.A. Petrich, D.R. Wilkinson & J.A. Sikorski) The preparation and some reactions of a benzotriazole substituted vinamidinium salt. Tetrahedron 49, 10205-10218.

(1262) (With M. Siskin, M. Balasubramanian. D.T. Ferrughelli, G. Brons & G.H. Singhal) Unprecedented pyridine ring CC bond cleavages by formic acid. Tetrahedron Lett. 34, 4739-4742.

(1263) (With M. Siskin, G. Brons, S. N. Vaughn, R. Murugan & M. Balasubramanian) Reactivity of organic compounds in hot water; geochemical implications. ACS meeting, 1993.

(1264) 1994 (With M. Karelson) AM1 and MNDO Self-consistent reaction field calculations of substituent effects in different dielectric media . Acta Chim. Hung. 128, 1-31.

(1265) (With Z.J. Yang & D.J. Cundy) Benzotriazole-stabilized carbanions: generation, reactivity, and synthetic utility. Aldrichim. Acta 27, 31-38.

(1266) (With E.S.Ignatchenko, R.A. Barcock, V.S. Lobanov & M. Karelson) Prediction of gas chromatographic retention times and response factors using a general quantitative structure-property relationship treatment. Anal. Chem. 66, 1799-1807.

(1267) (With S.A. Belyakov, H.D. Durst, R.X. Xu & N.S. Dalal) Syntheses of 3-substituted-2,4,6-triphenylverdazyls. Can. J. Chem. 72, 1849-1856.

(1268) (With X.F. Lan) Benzotriazole-mediated arylalkylation and heteroarylalkylation. Chem. Soc. Rev., 23, 363-373.

(1269) (With R. Murugan, M.P. Grendze, J.E. Toomey., M. Karelson, V. Lobanov & P. Rachwal) Predicting physical properties from molecular structure, Chem. Tech. 24, 17-23.

(1270) (With R. Muthyala & X.F. Lan) A synthetic study on the preparation of triarylmethanes. Dyes Pigments 25, 303-324.

(1271) (With R.A. Barcock, M. Balasubramanian, J.V. Greenhill, M. Siskin & W.N. Olmstead) Aqueous high-temperature chemistry of carbo-and heterocycles. 20. Reactions of some benzenoid hydrocarbons and oxygen-containing derivatives in supercritical water at 460 °C. Energy Fuels 8, 487-497.

(1272) (With R.A. Barcock, M. Balasubramanian, J.V. Greenhill, M. Siskin & W.N. Olmstead) Aqueous high-temperature chemistry of carbo-and heterocycles. 21. Reactions of sulfur-containing compounds in supercritical water at 460 °C. Energy Fuels 8, 498-506.

(1273) (With R.A. Barcock, M. Siskin & W.N. Olmstead) Aqueous high-temperature chemistry of carbo- and heterocycles. 23. Reactions of pyridine analogs and benzopyrroles in supercritical water at 460 °C. Energy Fuels 8, 990-1001.

(1274) (With B. Galuszka, S. Rachwal, B. Mancheño & P.J. Steel) Synthesis, stereochemistry and synthetic potential of 6-(benzotriazol-1-yl)-6-(morpholin-4-yl)bicyclo[3.1.0]hexane. Heterocycles 38, 319-326.

(1275) (With V. Gupta, C. Garot, C.V. Stevens & M.F. Gordeev) Benzotriazolylalkylation of aromatic compounds by 1-benzenesulphonylbenzotriazole and synthesis of triarylmethanes. Heterocycles 38, 345-356.

(1276) (With I. Ghiviriga, D.J. Cundy & P.J. Steel) The diverse reactivity of (benzothiazol-2-ylthio)(benzotriazol-1-yl)methane. Heterocycles 38, 1041-1052.

(1277) (With S. El-Zemity & H.Y. Lang) A novel and convenient route to (1H-1,2,4-triazol-1-ylmethyl) phenols, anilines, N-alkylanilines and N,N-dialkylanilines. Heterocycles 38, 1813-1822.

(1278) (With B. Rachwal, S. Rachwal, P.J. Steel & K. Zaklika) Synthesis of 4-amino-7-hydroxy-benzimidazole. Heterocycles 38, 2415-2422.

(1279) (With S.A. Belyakov, J.N. Lam, H. Dupont Durst & D.V. Karpenko) 1-Chlorobenzotriazole-mediated ring closure of 1,3,5-triarylformazans: improved syntheses of 2,3,5-triaryl-2H-tetrazolium salts. Heterocycles 39, 73-80.

(1280) (With S.A. Petrich, A.D. Main, R. Jaeger, S.Q. Smith, F.A. Hicks, J.T. Gupton, J.A. Sikorski & L. Castle) The reaction of a benzotriazole substituted vinamidinium salt with Grignard reagents. Heterocycles 39, 623-637.

(1281) (With J. Köditz & H. Lang) Benzotriazole stabilized lithium intermediates as a route to the elaboration of N-substituents in amides. Inorg. Chim. Acta 220, 67-72.

(1282) (With D.C. Oniciu, B. Mancheño & R.A. Barcock) Variable regioselectivity in reactions of N-lithio-N-vinylaniline with arenedicarboxylates and α,β-unsaturated esters. J. Chem. Soc., Perkin Trans. 1, 113-118.

(1283) (With K.Yannakopoulou & H.Y. Lang) Aminal exchange. J. Chem. Soc., Perkin Trans. 2, 1867-1870. (1284) (With G.W. Yao & S. Rachwal) Chemistry of α-(benzotriazol-1-yl)alkylpyridines. Unusual

nucleophilic attack at C-3a of the benzotriazolyl ring. J. Heterocycl. Chem. 31, 271-275. (1285) Highlights from fifty years of heterocyclic chemistry. J. Heterocycl. Chem. 31, 563-602.

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(1286) (With D.J. Cundy & J. Chen) Novel synthesis of 1,3,3-trinitroazetidine, J. Heterocycl. Chem. 31, 757-763.

(1287) (With S. Rachwal & R. Ollmann) New routes to selectively methylated benzimidazoles. J. Heterocycl. Chem. 31, 775-779.

(1288) (With B. Galuszka, S. Rachwal & M. Black) Mannich reactions of carbonyl compounds and enamines with benzotriazole as the NH component. J. Heterocycl. Chem. 31, 917-923.

(1289) (With Z.X. Zhang, X.F. Lan & H.Y. Lang) o-(α-Benzotriazolylalkyl)phenols: novel precursors for the preparation of o-substituted phenols via intermediate o-quinone methides J. Org. Chem. 59, 1900-1903.

(1290) (With R. Mazurkiewicz, C.V. Stevens & M.F. Gordeev) A new and safe approach to (N-vinylimino)phosphoranes. J. Org. Chem. 59, 2740-2742.

(1291) (With Q.M. Hong & Z.J.Yang) 1-(Trimethylsilyl)benzotriazole-assisted addition of Grignard reagents to imines: A versatile approach to aliphatic secondary amines. J. Org. Chem. 59, 7947-7948.

(1292) (With J.L. Jiang & P.J. Steel) 1-Aza-1,3-bis(triphenylphosphoranylidene)propane: a novel =CHCH2N= synthon. J. Org. Chem. 59, 4551-4555.

(1293) (With G.F. Zhang & J.L. Jiang) Convenient preparations of diethyl [(acylamino)methyl]-phosphonates, 2-azabutadienes, and isoquinolines from a 1,2-monoazabisylide equivalent. J. Org. Chem. 59, 4556-4560.

(1294) (With Z.J. Yang & Q.M. Hong) A mild and general approach to the preparation and trapping of highly reactive formylsilanes. J. Org. Chem. 59, 5097-5099.

(1295) (With S. Rachwal & B. Rachwal) Additions of 1-(α-aminoalkyl)benzotriazoles to N-vinylamines and N-vinylamides. A novel and versatile method for the preparation of unsymmetrically substituted 1,3-diamines. J. Org. Chem. 59, 5206-5214.

(1296) (With Z.X. Zhang, H.Y. Lang & X.F. Lan) o-(α-Benzotriazolylalkyl)phenols: novel precursors for the preparation of 1,1-bis-(2-hydroxyaryl)alkanes. J. Org. Chem. 59, 7209-7213.

(1297) (With J. Wu, W. Kuzmierkiewicz & S. Rachwal) A novel selective route to 1-substituted benzotriazoles via lithiation of simple 1-alkylbenzotriazoles. Liebigs Ann. Chem. 1994, 1-5.

(1298) (With J. Wu, W. Kuzmierkiewicz, S. Rachwal, M. Balasubramanian & P.J. Steel) Unusual reactivity of lithiated 2-alkylbenzotriazoles. Liebigs Ann. Chem. 1994, 7-12.

(1299) (With J.R. Reynolds, J. Soloducho, S. Belyakov, G.A. Sotzing & Myoungho Pyo) Poly[1,4-bis(pyrrol-2-yl)phenylene]: a new electrically conducting and electroactive polymer containing the bipyrrole-phenylene repeat unit. Macromolecules 27, 7225-7227,

(1300) (With J. Wu, A. Jesorka, N.S. Dalal & R.X. Xu) Dynamic and substituent effects in the ESR spectra of triplet biradical intermediates in lithiation reactions of 2-alkylbenzotriazoles: a cautionary note. Magn. Reson. Chem. 32, 1-9.

(1301) (With Z. Dega-Szafran, R. Ramanathan & J.R. Eyler) Ion cyclotron resonance mass spectrometric study of ion-molecule reactions in toluene-pyridine mixture. Org. Mass Spectrom. 29, 96-101.

(1302) (With J.Q. Li, C.V. Stevens & D.J. Ager) An alternative synthesis of aryl and heteroaryl bromides from activated aryl hydroxy compounds. Org. Prep. Proced. Int., 26, 439-444.

(1303) (With J.R. Reynolds, S. Belyakov, J. Soloducho, G. Sotzing, Myoungho Pyo & J.P. Ruiz) Electrically conductive and electroactive bipyrrole-phenylene polymers from easily oxidized monomers. Polymer Preprints (2 pp).

(1304) (With J.Q. Li & M.F.Gordeev) New synthesis of 2-aryl- and 2-hetarylpyrroles from 1-propargylbenzotriazole. Synthesis 1994, 93-96

(1305) (With J.L. Jiang & J.V. Greenhill) Novel N-(alkylthiomethyl)iminophosphoranes and their application to the syntheses of new functionalized N,S-acetals. Synthesis 1994, 107-110.

(1306) (With X.F. Lan & W.Q. Fan) Benzotriazole as a synthetic auxiliary: Benzotriazolylalkylations and benzotriazole-mediated heteroalkylation. Synthesis 1994, 445-456.

(1307) (With S.C. Jurczyk,M. Szajda, I.V. Shcherbakova & J.N. Lam) Benzotriazole-mediated synthesis of α-di- and α-trisubstituted ethers and sulfides. Synthesis 1994, 499-504.

(1308) (With J. Wu) A simple, versatile synthetic route to N1-aryl-, -heteroaryl-, -acylmethyl-, -carboxymethyl- and -alkyl-benzotriazoles via regiospecific or highly regioselective substitutions of benzotriazole. Synthesis 1994, 597-600.

(1309) (With H.X. Chang & J. Wu) Convenient preparation of 1-(N,N-dialkylamino)alkyltributylstannanes from 1-(N,N-dialkylamino)alkylbenzotriazoles. Synthesis 1994, 907-908.

(1310) (With G.F. Zhang & J. Wu) 1-Phenylsulfonylbenzotriazole: A novel and convenient reagent for the preparation of benzenesulfonamides and aryl benzenesulfonates. Synth. Commun. 24, 205-216.

(1311) (With R. Mazurkiewicz, C.V. Stevens, M.F. Gordeev & P.J. Steel) A convenient two-pot conversion of aldehydes to sec-alkyl primary amines: Reactions of α-(benzotriazol-1-yl)alkyl-iminophosphoranes with organocerium (III) or Grignard reagents. Synth. Commun. 24, 2955-2972.

Alan Roy Katritzky

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(1312) (With A.V. Ignatchenko, X.F. Lan, H.Y. Lang, C.V. Stevens, A. Opitz, R. Koch & E. Anders) Benzotriazole-assisted β-lithiation of vinyl ethers. Tetrahedron 50, 6005-6016.

(1313) (With J. Köditz & H. Lang) Benzotriazolylmethylaminosilanes: novel azomethine ylide equivalents. Tetrahedron 50, 12571-12578.

(1314) (With C.V. Stevens & N. de Kimpe) α,α-Cyclobisalkylation of aldehydes via ω-haloaldimines. Tetrahedron Lett. 35, 3763-3766.

(1315) (With S.A. Belyakov & H. Dupont Durst) Synthesis of the first lariat crown-formazan, prototype of a new series of podandocoronands. Tetrahedron Lett. 35, 6465-6468.

(1316) (With J.W. Frankenfeld) Substituted 1,2,4-triazole containing lubricants having improved oxidation stability, 94Canada Patent.

(1317) (With K. Sakizadeh, F.J. Manganiello & S.M. Simpson) Speed enhancers and stabilizers for photothermography. 94U.S. Patent.

(1318) 1995 (With V.S. Lobanov & M. Karelson) QSPR: The correlation and quantitative prediction of chemical and physical properties from structure. Chem. Soc. Rev. 24, 279-287.

(1319) (With O. Lingibe & B. Yang) A Convenient one-pot preparation of methyl α-aryl-β-primarylamino alkanoates. Chem. Heterocycl. Compd. 31, 890-892.

(1320) Chemical Compounds, Heterocyclic Compounds section, in Encyclopaedia Britanica (15th Ed.) (8 pp).

(1321) (With M. Siskin, D.T. Ferrughelli & J. Rabai) Aqueous organic chemistry. 8. Reactivity of biaryls, Energy Fuels 9, 331-343.

(1322) (With P.A. Shipkova, S.M. Allin, R.A. Barcock, M. Siskin & W.N. Olmstead) Aqueous high-temperature chemistry. 22. Nitrogen-containing heterocycles in supercritical water at 460 °C. Energy Fuels 9, 580-589.

(1323) (With M. Siskin & M. Balasubramanian) Aqueous organic chemistry. 9. Reactivity of 1,5-, 1,6-, 1,7- and 2,6-dihydroxynaphthalenes, dibenzofuran, 2-hydroxydibenzofuran, carbazole, 2-hydroxy-carbazole, acridine and 4-hydroxyacridine. Fuel 74, 1509-1511.

(1324) (With J. Chen & Z.J. Yang) Synthetic transformations of 1-cyanomethylbenzotriazole. Heteroatom Chem. 6, 71-76.

(1325) (With C.V. Stevens, G.F. Zhang, J.L. Jiang & N. de Kimpe) Imidoylbenzotriazoles: Stable alternatives to imidoyl chlorides. Heterocycles 40, 231-240.

(1326) (With A.V. Ignatchenko, H.Y. Lang) Lithiation of N-substituted benzotriazoles. Heterocycles 41, 131-146.

(1327) (With R.P. Musgrave, B. Rachwal & C. Zaklika) Synthesis of 4-hydroxy-1-methylbenzimidazole and 7-hydroxy-1-methylbenzimidazole. Heterocycles 41, 345-352.

(1328) (With B.Z. Yang, J.L. Jiang & P.J. Steel) 3-Methyl-1-phenacylbenzotriazolium ylide: Cycloadditions with acetylenic esters and aldehyde-mediated dimerization. Heterocycles 41, 765-772.

(1329) (With S. Rachwal, B. Rachwal & J.W. Frankenfeld) Kinetics, catalysis and mechanism of isomerization of N-[(benzotriazol-1-yl)methyl]anilines into the benzotriazol-2-yl derivatives. Int. J. Chem. Kinet. 27, 351-357.

(1330) (With L.H. Xie, D. Toader & L Serdyuk) General and efficient carbon insertion route to one-carbon-homologated α-aryl, α-alkenyl, α-alkoxy, and α-phenylthio alkyl ketones. J. Am. Chem. Soc. 117, 12015-12016.

(1331) (With S. El-Zemity & H.Y. Lang) Conversions of 2-aminopyridines into 5-substituted derivatives mediated by 1-hydroxymethylbenzotriazole. J. Chem. Soc., Perkin Trans. 1, 1995, 3129-3133.

(1332) (With D.C. Oniciu, I. Ghiviriga & R.A. Barcock) 4,6-Bis- and 2,4,6-tris-(N,N-dialkylamino)-s-triazines: synthesis, NMR spectra and restricted rotations. J. Chem. Soc., Perkin Trans. 2, 1995, 785-792.

(1333) (With I.B. Puschmann, C.V. Stevens & A.P. Wells) The first examples of the addition of heterocyclic NH to unactivated olefins. J. Chem. Soc., Perkin Trans. 2, 1995, 1645-1649.

(1334) (With I. Ghiviriga) An NMR study of the tautomerism of 2-acylaminopyridines. J. Chem. Soc., Perkin Trans. 2, 1995, 1651-1653.

(1335) (With S.V. Verin) Synthesis and reactions of lithio derivatives of 1-allenylbenzotriazole. J. Heterocycl. Chem. 32, 323-328.

(1336) (With H. Wu, L.H. Xie & J.L. Jiang) Synthesis of 1-(benzotriazol-1-yl)alkyldiphenylphosphine oxides and their transformations to novel benzotriazol-1-yl-substituted cyclopropanes. J. Heterocycl. Chem. 32, 595-598.

(1337) (With S. Rachwal, T.P. Smith & P.J. Steel) Synthesis and reactivity of 2,6-diamino-4-methyl-3-pyridinecarbonitrile J. Heterocycl. Chem. 32, 979-984.

(1338) (With S. Rachwal & T.P. Smith) Regioselective conversion of 3-cyano-6-hydroxy-2-pyridones into 3-cyano-6-amino-2-pyridones. J. Heterocycl. Chem. 32, 1007-1010.

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(1339) (With H. Wu & L.H. Xie) A novel synthesis of 5-acylaminooxazoles. J. Heterocycl. Chem. 32, 1651-1652.

(1340) (With P.A. Shipkova, R.D. Burton, S.M. Allin, C.H. Watson & J.R. Eyler) Investigation of doubly charged organic cations by electrospray ion cyclotron resonance mass spectrometry. J. Mass Spectrom. 30, 1581-1587.

(1341) (With J.L. Jiang) A novel heterocycle-stabilized homoenolate anion and its applications in the syntheses of β-propenoylcarboxylic esters, cyclopropanecarboxylic esters, 1-vinyl-1-ethoxy epoxides, and γ-lactones. J. Org. Chem. 60, 6-7.

(1342) (With B.Z. Yang, J.L. Jiang & P.J. Steel) Ring-opening rearrangements of 2-(benzotriazol-1-yl) enamines and a novel synthesis of 2,4-diarylquinazoline. J. Org. Chem. 60, 246-249.

(1343) (With J.Q. Li) A novel furan ring construction and syntheses of 4- and 4,5-substituted 2-(α-heterocycloalkyl)furans. J. Org. Chem. 60, 638-643.

(1344) (With D.C. Oniciu, L. Serdyuk & I. Ghiviriga) Study of the orientation of lithiation of 1- and 2-alkylbenzotriazoles. J. Org. Chem. 60, 1244-1249.

(1345) (With B. Rachwal & S. Rachwal) Reactions of N-alkyl-N-phenyl-1H-benzotriazole-1-methanamines with α,β-unsaturated ethers. A novel route to 1,4- and 1,3-disubstituted 1,2,3,4-tetrahydroquinolines. J. Org. Chem. 60, 2588-2596.

(1346) (With J.Q. Li & C.V. Stevens) Facile synthesis of 2-substituted indoles and indolo[3,2-b]carbazoles from 2-(benzotriazol-1-ylmethyl)indole. J. Org. Chem. 60, 3401-3404.

(1347) (With Q.M. Hong & Z.J. Yang) Preparations of secondary amines and β-amino esters via additions of Grignard and Reformatsky reagents to imines and by one-pot reactions of primary amines, aldehydes, and Grignards. J. Org. Chem. 60, 3405-3408.

(1348) (With L.H. Xie) A general and facile synthesis of heterocyclo[b]-fused carbazoles. J. Org. Chem. 60, 3707-3710.

(1349) (With A. Opitz, R. Koch, W.Q. Fan & E. Anders) A PM3 and MNDO study on the mechanism and the regioselectivity of the lithiation of lithium methyl-1- and methyl-2-naphthylcarbamate and lithium 1,2,3,4-tetrahydroisoquinolinecarbamate with toluene. J. Org. Chem. 60, 3743-3749.

(1350) (With B. Rachwal & S. Rachwal) Reactions of N-alkyl-N-phenyl-1H-benzotriazole-1-methanamines with N-vinylamides and N-vinylcarbazole. A convenient synthesis of 4-(dialkylamino)-tetrahydroquinolines. J. Org. Chem. 60, 3993-4001.

(1351) (With A.V. Ignatchenko & H.Y. Lang) Generalization of the benzotriazole-mediated introduction of N-substituents into amides. J. Org. Chem. 60, 4002-4005.

(1352) (With J. Chen & Z.J. Yang) 1-(Cyanomethyl)benzotriazole as a convenient precursor for the synthesis of 2-substituted thiazoles. J. Org. Chem. 60, 5638-5642.

(1353) (With J.P. Richard, R.W. Nagorski, S. Rudich, T.L. Amyes & A.P. Wells) The nucleofugality of the benzotriazole group in solvolysis. J. Org. Chem. 60, 5989-5991.

(1354) (With G.F. Zhang & J.L Jiang) N-(α-ethoxyallyl)benzotriazole: A novel propenoyl anion synthon route to vinyl ketones. J. Org. Chem. 60, 7589-7596.

(1355) (With J.L. Jiang) A novel heterocycle-stabilized allylic anion route to cyclopropanes, 1-ethoxy-1-vinylethylene oxides, 1-hydroxyalkyl 2-methoxyethyl ketones, 1-hydroxyalkyl vinyl ketones, β-ethoxy-β-vinylalkyl alcohols, γ-lactones, and β,γ-unsaturated carboxylic acids. J. Org. Chem. 60, 7597-7604.

(1356) (With G.F. Zhang & J.L. Jiang) Novel routes to enol ethers, unsymmetrical ketones, α-bromoalkyl ketones, 1,4-diketones, 2-ethoxy-2-cyclopentenones, and α-keto enamines. J. Org. Chem. 60, 7605-7611.

(1357) (With H.Y. Lang) Novel and convenient routes to functionalized alkynyl ketones from 1-(benzotriazol-1-yl)propargyl ethyl ethers. J. Org. Chem. 60, 7612-7618.

(1358) (With H.Y. Lang, Z.Q. Wang, Z.X. Zhang & H.M. Song) Benzotriazole-mediated conversions of aromatic and heteroaromatic aldehydes to functionalized ketones. J. Org. Chem. 60, 7619-7624.

(1359) (With G.F. Zhang, J.L. Jiang & P.J. Steel) A novel o-iminophenyl anion route to heterocycles and ortho-substituted anilines. J. Org. Chem. 60, 7625-7630.

(1360) (With B. Rachwal & S. Rachwal) A versatile method for the preparation of substituted 1,2,3,4-tetrahydroquinolines. J. Org. Chem. 60, 7631-7640.

(1361) (With M. Siskin) Aqueous organic chemistry: geochemical aspects. in NTASI Series (1), pp 313-327. (1362) Benzotriazole methodology for organic synthesis, in Proc. Chem. Soc. Spain (1995). (1363) (With D. Toader & J.L. Jiang) Performance fluids as an inert medium for the preparation of

benzotriazole derivatives. Org. Prep. Proced. Int. 27, 179-184. (1364) (With J.-L. Moutou & Z.J. Yang) Preparation of thiol acids, thiol esters and amides by reactions of

carbonyl sulfide with Grignard reagents. Org. Prep. Proced. Int. 27, 361-366. (1365) (With Z.Q.Wang, A.P. Wells & P.J. Steel) Alternate preparation of α-keto esters from acid chlorides.

Org. Prep. Proced. Int. 27, 457-462.

Alan Roy Katritzky

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(1366) (With Q.M. Hong, Z.J. Yang, D.J. Cundy & K. Brown-Wensley) A convenient large-scale preparation of endo-2-methylbicyclo[2.2.1]hept-5-ene-exo-2-carboxylic acid. Org. Prep. Proced. Int. 27, 574-575.

(1367) (With Q.M. Hong & Z.J. Yang) Method for the benzotriazole-mediated synthesis of α-silylalkylated heterocycles and N,N-dialkylanilines. Organometallics 14, 734-737.

(1368) (With J.-L. Moutou & Z.J. Yang) A novel convenient one-pot synthesis of N-mono- and N,N-disubstituted thioamides mediated by 1-(trifluoromethylsulfonyl)benzotriazole. Synlett. 1995, 99-100.

(1369) (With H.X. Chang & B.Z. Yang) A stable and convenient N- and O-formylating agent. Synthesis 1995, 503-505.

(1370) (With S.A. Belyakov, D. Cheng & H. Dupont Durst) Syntheses of formazans under phase-transfer conditions. Synthesis 1995, 577-581.

(1371) (With J. Wu & S.V. Verin) A convenient, one-pot preparative method for tri- and tetrasubstituted hydrazines from azobenzenes and organolithiums. Synthesis 1995, 651-653.

(1372) (With H. Wu, L.H. Xie, S. Rachwal, B. Rachwal, J.L. Jiang, G.F. Zhang & H.Y. Lang) The origins of the benzotriazole project, its versatility illustrated by a new –C=CHCH+OEt synthon, and novel syntheses of α,β-unsaturated aldehydes and ketones, furans, pyrroles and allyl ethers. Synthesis 1995, 1315-1323.

(1373) (With J.-L. Moutou & Z.J. Yang) A new versatile one-pot synthesis of functionalized thioamides from Grignards, carbon disulfide and amines. Synthesis 1995, 1497-1505.

(1374) (With L.H. Xie & D. Cundy) A versatile synthesis of 3-substituted indoles. Synth. Commun. 25, 539-551.

(1375) (With R.L. Parris & S.M. Allin & P.J. Steel) Benzotriazole-1-carboxamidinium tosylate: An alternative method for the conversion of amines to guanidines. Synth. Commun. 25, 1173-1186.

(1376) (With H. Wu & L.H. Xie) A general and convenient synthesis of N-[(1-diphenyl-oxophosphinyl)alkyl]carboxamides and sulfamide. Synth. Commun. 25, 1187-1196.

(1377) (With A.V. Ignatchenko & H.Y. Lang) A novel route to N-styrylamides. Synth. Commun. 25, 1197-1204.

(1378) (With J. Wang & B.Z. Yang) Convenient one-pot methodology for the primary aminomethylation of electron rich heterocycles. Synth. Commun. 25, 2631-2637.

(1379) (With S.M. Allin) The bismuth(III) chloride mediated N-derivatization of L-proline and pipecolinic esters in aqueous media. Synth. Commun. 25, 2751-2762.

(1380) (With C.N. Fali & D.C. Oniciu) Addition reactions of immonium benzotriazolates to acetylenic esters. Tetrahedron 51, 1069-1076.

(1381) (With O. Denisko & H.Y. Lang) Synthetic elaboration of N-substituents in thioamides. Tetrahedron 51, 8703-8710.

(1382) (With L. Zhu, H.Y. Lang, O. Denisko & Z.Q. Wang) Novel and convenient routes to substituted pyrroles and imidazoles. Tetrahedron 51, 13271-13276.

(1383) (With H.X. Chang & S.V. Verin) A –CH2CH=C+NR2 synthon: Novel preparations of 1,3-disubstituted allylamines and of 1,2-diaryl pyrroles. Tetrahedron Lett. 36, 343-346.

(1384) (With Z.J. Yang & J.-L. Moutou) Conversion of aldehydes to α-acetoxymethyl ketones: One-carbon homologation with (benzotriazol-1-yl)phenoxymethane. Tetrahedron Lett. 36, 841-844.

(1385) (With J. Soloducho, R.P. Musgrave & J. C. Breytenbach) A versatile one-pot procedure for the insertion of a 3-substituent into 2-cycloalkenones. Tetrahedron Lett. 36, 5491-5494.

(1386) (With M. Siskin & G.B. Brons) Process for converting and upgrading organic resource materials in aqueous environments. U.S. Patent 95USP5338442 (7 pp).

(1387) 1996 (With S.M. Allin & M. Siskin) Aquathermolysis: reactions of organic compounds with superheated water. Acc. Chem. Res. 29, 399-406.

(1388) (With Q.M. Hong, J. Chen, Z.J. Yang & S.A. Belyakov) Preparation of N-(1,3-disubstituted allyl)morpholines based on an adaptation of the Wittig reaction. Anales Quim. Int. Ed. 92, 138-140.

(1389) (With D.C. Oniciu) Recent progress in benzotriazole-assisted synthetic methodology. Bull. Soc. Chim. Belges 105, 635-638.

(1390) (With Z.Q. Wang, H.Y. Lang & P.J. Steel) 1-(2-Aminophenyl)-5-ethoxy-4-methyl-3-phenylpyrazole and 3-methyl-2-phenylpyrazolo[5,1-b]benzimidazole via an unusual benzotriazole ring opening. Chem. Heterocycl. Comp. 32, 666-671; Khim. Geterotsikl. Soedin. 775-780.

(1391) (With M. Qi & A.P. Wells) Additions of 5-phenyltetrazole and other heterocyclic NH compounds to olefins. Chem. Heterocycl. Comp. 32, 1305-1311; Khim. Geterotsikl. Soedin. 1520-1527;.

(1392) (With M. Karelson & V.S. Lobanov) Quantum-chemical descriptors in QSAR/QSPR studies. Chem. Rev. 96, 1027-1043.

(1393) (With James G. Keay & R. Murugan) Heterocycles, in Encyclopedia of NMR, 2329-2334. (1394) (With M. Soleiman & B.Z. Yang) Synthesis of 1,3-diarylacetones from (N-arylacetyl)benzotriazoles

via arylketene intermediates. Heteroatom Chem. 7, 365-367.

Alan Roy Katritzky

56

(1395) (With Z.Q. Wang, H.Y. Lang, & P.J. Steel) An unexpected formation of diethyl trans-2,3-piperazinedicarboxylates. Heterocycl. Comm. 2, 109-113.

(1396) (With S.M. Gorun, R.T. Stibrany, J.J. Slawinski, H. Faid-Allah & F. Brunner) Benzimidazol-2-ylcarbinols and benzimidazol-2-yl ketones: novel bifunctional chelating ligands for copper. Inorg. Chem. 35, 3-4.

(1397) (With U. Maran & M. Karelson) A comparative AM1 and ab initio study of the intramolecular proton transfer in tautomeric organic compounds. Int. J. Quantum Chem. 60, 1765-1773.

(1398) Book review: A Guide to the Complete Interpretation of Infrared Spectra of Organic Structures, by N.P.G. Roeges (Wiley, 1994). J. Am. Chem. Soc. 118, 3543.

(1399) (With P.A. Shipkova, M. Qi, D. Nichols, .D. Burton, C.H. Watson, J.R. Eyler, T. Tämm, M. Karelson & M.C. Zerner) Study of radical merostabilization by electrospray FTICR/MS. J. Am. Chem. Soc. 118, 11905-11911.

(1400) (With P. Rachwal, K.W. Law, M. Karelson & V.S. Lobanov) Prediction of polymer glass transition temperatures using a general quantitative structure-property relationship treatment. J. Chem. Inf. Comput. Sci. 36, 879-884.

(1401) (With L. Mu & M. Karelson) A QSPR study of the solubility of gases and vapors in water. J. Chem. Inf. Comput. Sci. 36, 1162-1168.

(1402) (With I. Ghiviriga, P.J. Steel & D.C. Oniciu) Restricted rotations in 4,6-bis- and 2,4,6-tris-(N,N-dialkylamino)-s-triazines. J. Chem. Soc. Perkin Trans. 2 443-447.

(1403) (With B.Z. Yang, R. Abonia & B. Insuasty) Synthesis of 1,2-disubstituted benzimidazoles by the photolysis of imidoylbenzotriazoles. J. Chem. Res. (S) 1996, 540-541.

(1404) (With F. Larmat, J. Soloducho & J.R. Reynolds) Electropolymerization of 1,4-bis(pyrrol-2-yl)benzene in the presence of the easily oxidized electrolyte sodium tetraphenylborate. J. Electrochem. Soc. 143, L161-L163.

(1405) (With M. Qi & A.P. Wells). 2-Bromo-3,3,3-trifluoropropene: A facile trifluoromethylacetylene anion synthon. J. Fluorine Chem. 80, 145-147.

(1406) (With C.N. Fali, I.V. Shcherbakova & S.V. Verin) 1-(Azidomethyl)benzotriazole and -5-phenyl-1,2,3,4-tetrazole as 1,3-dipolar cycloaddition components. J. Heterocycl. Chem. 33, 335-339.

(1407) (With B.Z. Yang) Radical mediated synthesis of 6-arylphenanthridines via benzotriazole ring-opening. J. Heterocycl. Chem. 33, 607-610.

(1408) (With D. Aslan, I.V. Shcherbakova, J. Chen & S.A. Belyakov) Syntheses and transformations of substituted benzazolyl- and tetrazolyl(benzotriazol-1-yl)methanes. J. Heterocycl. Chem. 33, 1107-1114.

(1409) (With R.P. Musgrave & J.C. Breytenbach) 1,3-Dipolar cycloadditions of electron-rich benzotriazol-1-ylpropenes. J. Heterocycl. Chem. 33, 1637-1646.

(1410) (With I. Ghiviriga, D.C. Oniciu & F. Soti) 1-(Mercaptomethyl)benzotriazole: preparation, reactivity and synthetic utility. J. Heterocycl. Chem. 33, 1927-1934.

(1411) (With D. Cheng, P. Leeming, I. Ghiviriga, C.M. Hartshorn & P.J. Steel) Generation and reactivity of N,N-dimethylaminobenzotriazolylcarbene, a new nucleophilic carbene. J. Heterocycl. Chem. 33, 1935-1941.

(1412) (With I.V. Shcherbakova) Synthesis and some transformations of 5-benzotriazolyl-3,4-dihydropyrid-2-ones. J. Heterocycl. Chem. 33, 2031-2036.

(1413) (With M. Karelson & A.P. Wells) Aromaticity as a quantitative concept. 6. Aromaticity variation with molecular environment. J. Org. Chem. 61, 1619-1623.

(1414) (With J.Q. Li) 1,4-Disubstituted and 1,4,5-trisubstituted 2-[(benzotriazol-1-yl)methyl]pyrroles as versatile synthetic intermediates. J. Org. Chem. 61, 1624-1628.

(1415) (With B. Rachwal, S. Rachwal & K.A. Abboud) Convenient synthesis of julolidines using benzotriazole methodology. J. Org. Chem. 61, 3117-3126.

(1416) (With H. Wu & L.H. Xie) Benzotriazole-mediated [2,3]-Wittig rearrangement. General and stereocontrolled syntheses of homoallyl alcohols and β,γ-unsaturated ketones. J. Org. Chem. 61, 4035-4039.

(1417) (With H.Y. Lang, Z.Q. Wang & Z. Lie) Convenient syntheses of functionalized dialkyl ketones and alkanoylsilanes: 1-(benzotriazol-1-yl)-1-phenoxyalkanes as alkanoyl anion equivalents. J. Org. Chem. 61, 7551-7557.

(1418) (With G.F. Zhang, L.H. Xie & I. Ghiviriga) Efficient syntheses of substituted carbazoles and cyclopent[b]indoles from 1-methyl-3-(benzotriazol-1-ylmethyl)indole. J. Org. Chem. 61, 7558-7563.

(1419) (With L.H. Xie & L. Serdyuk) Novel and efficient insertions of carbons carrying O-, S-, and N-Linked substituents: Synthesis of α-alkoxyalkyl, α-(alkylthio)alkyl, and α-(carbazol-9-yl)alkyl ketones. J. Org. Chem. 61, 7564-7570.

(1420) (With D. Toader & L.H. Xie) General and efficient insertions of carbons carrying aryl and heteroaryl groups: synthesis of α-aryl- and α-heteroaryl-substituted ketones. J. Org. Chem. 61, 7571-7577.

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(1421) (With O.V. Denisko, S.A. Belyakov, O.F. Schall & G.W. Gokel) Synthesis of new N-pivot lariat crown ethers containing a propylene linkage in the side arm. J. Org. Chem. 61, 7578-7584.

(1422) (With S.A. Belyakov, A.E. Sorochinsky, P.J. Steel, O.F. Schall & G.W. Gokel) Novel syntheses of N-pivot lariat diaza-crown ethers from 4,13-bis(benzotriazolylmethyl)-4,13-diaza-1,7,10,16-tetraoxacyclo-octadecane. J. Org. Chem. 61, 7585-7592.

(1423) (With L. Mu, V.S. Lobanov & M. Karelson) Correlation of boiling points with molecular structure. 1. A training set of 298 diverse organics and a test set of 9 simple inorganics. J. Phys. Chem. 100, 10400-10407.

(1424) (With I.V. Shcherbakova & R.D. Tack) Amidoalkylation of nonactivated terminal double bond in polyalkenes. J. Polym. Sci. Part A 34, 1651-1655.

(1425) (With R.L. Parris, E.S. Ignatchenko, M. Balasubramanian & R.A. Barcock) Aqueous high-temperature chemistry of carbo- and heterocycles: Part 24[1]. First demonstration of specific C-C bond scission of the pyridine ring. Reactions of piperidine, pyridine and some of their methyl derivatives in aqueous formic acid. J. Prakt. Chem. - Chem.-Zeit.: Adv. Synth. Catal. 338, 220-230.

(1426) (With J.L. Jiang) BetMIP (1-(triphenylphosphorylideneaminomethyl)benzotriazole), a unique CH2=N-PPh3

+X- equivalent for organic synthesis. J. Prakt. Chem. - Chem.-Zeit: Adv. Synth. Catal. 338, 684-686.

(1427) (With P.D.T. Huibers, V.S. Lobanov, D.O. Shah & M. Karelson) Prediction of critical micelle concentration using a quantitative structure-property relationship approach. 1. Nonionic surfactants. Langmuir 12, 1462-1470.

(1428) (With A. Jesorka, J. Wang, B.Z. Yang, J. Wu & P.J. Steel) Dimerizations of 2-alkylbenzotriazoles and chemical evidence of radical intermediates from X-ray studies. Liebigs Ann. 1996, 745-755.

(1429) (With G.A. Sotzing, J.R. Reynolds, J. Soloducho, S. Belyakov & R. Musgrave) Poly[bis(pyrrol-2-yl)arylenes]: Conducting polymers from low oxidation potential monomers based on pyrrole via electropolymerization. Macromolecules 29, 1679-1684.

(1430) (With I. Ghiviriga, P. Leeming & F. Soti) Hydrogen bonding and tautomerism in anils of salicylaldehydes and related compounds. A study of deuterium isotope effects on 13C chemical shifts. Magn. Reson. Chem. 34, 518-526.

(1431) (With S.V. Verin & B.Z. Yang) Benzotriazole-mediated synthesis of N-alkyl-N,N'-diarylhydrazines. Org. Prep. Proced. Int. 28, 97-101.

(1432) (With Z.Q. Wang & H.Y. Lang) Novel and convenient synthesis of aroyl-, heteroaroyl-, alkenoyl-, and alkynoylsilanes. Organometallics 15, 486-490.

(1433) (With V.S. Lobanov, M. Karelson, R. Murugan, M.P. Grendze & J.E. Toomey) Comprehensive descriptors for structural and statistical analysis. 1: Correlations between structure and physical properties of substituted pyridines. Rev. Roumaine Chim. 41, 851-867.

(1434) (With C.J. Rostek, H.J. Lin, D.J. Sikora, W. Kuzmierkiewicz & N. Shobana) Novel sulfur vulcanization accelerators based on mercapto-pyridine, -pyrazine, and -pyrimidine. Rubber Chem. Technol. 69, 180-202.

(1435) (With B.Z. Yang & Y.F. Qian) A novel conversion of arenesulfinate anions into aryl benzyl sulfoxides. Synlett 1996, 701-702.

(1436) (With D. Toader & L.H. Xie) Efficient transformations of aldehydes and ketones into one-carbon homologated carboxylic acids. Synthesis 1996, 1425-1427.

(1437) (With S. El-Zemity, H.Y. Lang, E.A. Kadous & A.M. El-Shazly) A novel and convenient preparation of 1-(γ-aminoalkyl)-substituted 1,2,4-triazoles. Synth. Commun. 26, 357-365.

(1438) (With I.V. Shcherbakova) A novel synthetic route to dihydro- and α-hydroxytetrahydro-furan derivatives. Synth. Commun. 26, 1385-1399.

(1439) (With K.A. Heck, J.Q. Li, A. Wells & C. Garot) 1-(1-Alkenyl)benzotriazoles: novel α-hydroxyacyl anion equivalents for the synthesis of α-hydroxy ketones. Synth. Commun. 26, 2657-2670.

(1440) (With T. Blitzke & J.Q. Li) Methyl β-(benzotriazol-1-yl)vinyl ketone: a new β-acetylvinyl cation equivalent. Synth. Commun. 26, 3773-3781.

(1441) (With Z.X. Zhang & H.Y. Lang) α-(Benzotriazol-1-yl)propargyl ethyl ethers: novel precursors to enediynes, enynes and dienynes. Synth. Commun. 26, 4049-4064.

(1442) (With S. Rachwal & B. Rachwal) Recent progress in the synthesis of 1,2,3,4-tetrahydroquinolines. Tetrahedron 52, 15031-15070.

(1443) (With S.R. El-Zemity, P.Leeming, C.M. Hartshorn & P.J. Steel) Synthesis and highly diastereoselective alkylation of chiral N-[(S,S)-3,5-bis(1-methoxyethyl)-1,2,4-triazol-4-yl]arylimines. Tetrahedron: Asymmetry 7, 1621-1630.

(1444) (With J. Wang, P. Leeming & P.J. Steel) Chiral 1,2,4-triazole derivatives as potential synthetic intermediates. Tetrahedron: Asymmetry 7, 1631-1640.

(1445) (With L.H. Xie) para-Formylation of nitroarenes via vicarious nucleophilic substitution of hydrogen with tris(benzotriazol-1-yl)methane. Tetrahedron Lett. 37, 347-350.

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(1446) (With S. Kobayashi, H. Ishitani, S. Komiyama & D.C. Oniciu) A novel Mannich-type reaction: lanthanide triflate-catalyzed reactions of N-(α-aminoalkyl)benzotriazoles with silyl enolates. Tetrahedron Lett. 37, 3731-3734.

(1447) (With J.R. Levell & J.Q. Li) A new indole synthesis via [3 + 3] annulation of 2-(benzotriazol-1-ylmethyl)pyrroles with α,β-unsaturated aldehydes and ketones. Tetrahedron Lett. 37, 5641-5644.

(1448) (With J. Chen & S.A. Belyakov) α-(Benzotriazolyl)methyl phenyl thioethers: convenient reagents for α-phenylthioalkylation of silylated nucleophiles. Tetrahedron Lett. 37, 6631-6634.

(1449) (With M. Karelson & U. Maran) Theoretical study of the keto-enol tautomerism in aqueous solutions. Tetrahedron 52, 11325-11328.

(1450) (With C.C. Nagel, J.G. Bentsen, M. Yafuso, J.L. Dektar & C.A. Kipke) Sensors and methods for sensing. U.S. Patent 96USP5409666 (13 pp).

(1451) 1997 (With D.M. Feng, M. Qi, H.Y. Lang & P.J. Steel) Synthesis of 3-alkylideneindolin-2-ones via 3-aza-Cope rearrangement. Bull. Soc. Chim. Belges 106, 419-23.

(1452) (With G.A. Sotzing, J.L. Reddinger, J. Soloducho, R. Musgrave, J.R. Reynolds & P.J. Steel) Multiply colored electrochromic carbazole-based polymers. Chem. Mater. 9, 1578-1587.

(1453) (With W.Q. Fan) 1,2,3-Triazoles, in Comprehensive Heterocyclic Chemistry II 4, 1-126. Pergamon Press, 1997.

(1454) (With R.A. Barcock, E.S. Ignatchenko, S.M. Allin, M. Siskin & C.W. Hudson) Aqueous high-temperature chemistry of carbo- and heterocycles. 28. Reactions of aryl sulfoxides and sulfones in sub- and supercritical water at 200-460 °C. Energy Fuels 11, 150-159.

(1455) (With E.S. Ignatchenko, S.M. Allin, R.A. Barcock, M. Siskin & C.W. Hudson) Aqueous high-temperature chemistry of carbo- and heterocycles. 29. Reactions of aryl hydrocarbons, aryl N-oxides, and aryl carbonyl compounds in supercritical water at 460 °C. Energy Fuels 11, 160-173.

(1456) (With E.S. Ignatchenko, S.M. Allin, M. Siskin & J. Rabai) Aqueous high-temperature chemistry of carbo- and heterocycles. 30. Aquathermolysis of phenyl-substituted hydroxyquinolines. Energy Fuels 11, 174-182.

(1457) (With I.B. Puschmann, D.H. Powell & A.P. Wells) The mass spectra of 1- and 2-alkylbenzotriazoles. Heteroatom Chemistry 8, 459-464.

(1458) (With D. Cheng & R.P. Musgrave) Syntheses of imidazoles and pyrroles: BetMIC and TosMIC as complementary reagents. Heterocycles 44, 67-70.

(1459) (With D. Toader) Masked α-arylalkenyllithium reagents for efficient syntheses of functionalized monosubstituted and 1,1-disubstituted ethylenes. J. Am. Chem. Soc. 119, 9321-9322.

(1460) (With L. Mu & M. Karelson) QSPR treatment of the unified nonspecific solvent polarity scale. J. Chem. Inf. Comput. Sci. 37, 756-761.

(1461) (With I. Ghiviriga, D.C. Oniciu, R.A. More O'Ferrall & S.M. Walsh) Study of the enol-enaminone tautomerism of α-heterocyclic ketones by deuterium effects on 13C chemical shifts. J. Chem. Soc. Perkin Trans. 2 1997, 2605-2608.

(1462) (With B.Z. Yang & R.D. Tack) Synthesis of dendramines, dendramides and their new application in the oil industry. J. Chin. Chem. Soc. 44, 575-580.

(1463) (With P.D.T. Huibers, V.S. Lobanov, D.O. Shah & M. Karelson) Prediction of critical micelle concentration using a quantitative structure-property relationship approach. 2. Anionic surfactants. J.Colloid Interface Sci. 187, 113-120.

(1464) (With P.D.T. Huibers & D.O. Shah) Predicting surfactant cloud point from molecular structure. J. Colloid Interface Sci. 193, 132-136.

(1465) (With Z.X. Zhang, H.Y. Lang, N. Jubran, .M. Leichter & N. Sweeny) 2-Mono- and 2,5-bis[bis[(4-dimethylamino)phenyl]hydroxymethyl]-substituted furans, thiophenes and N-methylpyrroles: new color-formers for carbonless imaging. J. Heterocycl. Chem. 34, 561-565.

(1466) (With D.A. Nichols, M. Qi & B.Z. Yang) Lewis acid assisted reactions of N-(α-aminoalkyl)benzotriazoles and unactivated alkenes for the facile synthesis of 4-, 2,4-, and 3,4-substituted 1,2,3,4-tetrahydroquinolines. J. Heterocycl. Chem. 34, 1259-1262.

(1467) (With Z.X. Zhang, H.Y. Lang, N. Jubran, L.M. Leichter & N. Sweeny) 3,3-Diaryl-3H-2,1-benzoxathiole 1-oxides: new sultine colour-formers for carbonless imaging. J. Mater. Chem. 7, 1399-(1404.

(1468) (With J.Q. Li) Stereoselective olefination of carbonyl compounds with N-benzyl- and N-allylbenzotriazoles by low-valent titanium-promoted dehydroxybenzotriazolylation. J. Org. Chem. 62, 238-239.

(1469) (With S.A. Belyakov, B. Rachwal & J.-L. Moutou) Lewis acid-catalyzed additions of (benzotriazol-1-yl)diethoxymethane to enol ethers and enamides. New syntheses of β-alkoxyalkanal and β-aminoalkanal acetals. J. Org. Chem. 62, 700-705.

(1470) (With D.M. Feng & H.Y. Lang) Novel syntheses of α,β-unsaturated esters, α,β-unsaturated γ-lactones, and 2-alkoxypyrroles via 1,2,4-triazole-stabilized allenic anions. J. Org. Chem. 62, 715-720.

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(1471) (With Z.Q. Wang, H.Y. Lang & D.M. Feng). Novel and facile syntheses of alkenyl, alkynyl, and aryl 1,2-diketones. J.Org. Chem. 62, 4125-4130.

(1472) (With D. Toader) First general synthesis of (p-nitroaryl)diarylmethanes via vicarious nucleophilic substitution of hydrogen. J. Org. Chem. 62, 4137-4141.

(1473) (With D.P.M. Pleynet & B.Z. Yang) A general synthesis of unsymmetrical tetrasubstituted ureas. J. Org. Chem. 62, 4155-4158

(1474) (With S.A. Belyakov, A.E. Sorochinsky, S.A. Henderson & J. Chen) Benzotriazole-assisted preparations of 2-(substituted amino)pyridines and pyrid-2-ones. J. Org. Chem. 62, 6210-6214.

(1475) (With L. Serdyuk, L.H. Xie & I. Ghiviriga) Efficient syntheses of 2-functionalized thiophenes, cyclopenta[b]thiophenes, and polysubstituted benzo[b]thiophenes from 2-(benzotriazol-1-ylmethyl)thiophenes. J. Org. Chem. 62, 6215-6221.

(1476) (With D.M. Feng & M. Qi) Tosylmethylamines as "nonstabilized" α-aminocarbanion synthon equivalents: advantages and limitations. J. Org. Chem. 62, 6222-6225.

(1477) (With P. Czerney & J.R. Levell) Benzotriazole-mediated conversions of para-H-substituted pyrylium, benzo[b]pyrylium, and xanthylium salts into para-position functionalized derivatives (an indirect electrophilic substitution of electron-deficient heteroaromatics). J. Org. Chem. 62, 8198-8200.

(1478) (With J.C. Yao & M. Qi) Palladium-catalyzed cross-coupling syntheses of benzotriazolyl enynes and a general route to enynyl ketones and alkynyl ketones. J.Org. Chem. 62, 8201-8204.

(1479) (With C.N. Fali & J.Q. Li) .General synthesis of polysubstituted benzo[b]furans. J. Org. Chem. 62, 8205-8209.

(1480) (With N.S. Dalal, A.I. Smirnov, T.I. Smirnova, R.L. Belford & S.A. Belyakov) Single-crystal multifrequency EPR evidence for a quasi-low-dimensional spin exchange in 3-n-butyl-2,4,6-triphenylverdazyl. J. Phys. Chem. B 101, 11249-11253.

(1481) (With R.L. Parris, E.S. Ignatchenko & S.M. Allin) Reaction of aliphatic amines with 49% formic acid. 1-Hexylamine, di-1-hexylamine, N,N-dimethyl-1-hexylamine, 1-dodecylamine, N,N-dimethyl-1-dodecylamine and N,N-dimethyl-1-butylamine. J. Prakt. Chem. - Chem.-Zeit: Adv. Synth. Catal. 339, 59-65.

(1482) (With M. Karelson & V.S. Lobanov) QSPR as a means of predicting and understanding chemical and physical properties in terms of structure. Pure Appl. Chem. 69, 245-248.

(1483) (With S.A. Belyakov) A direct one-step preparation of triarylverdazylium salts from the corresponding triarylformazans. Synthesis 1997, 17-19.

(1484) (With H. Ahlbrecht, D. Kornetzky, T. Purder, I. Ghiviriga & J. Levell) Regioselectivity of deprotonation of indoline and tetrahydroquinoline dithiocarbamic and carbamic compounds: a correction (Corrigendum re paper 982). Synthesis 1997, 171-172.

(1485) (With D.C. Oniciu & I. Ghiviriga) Benzotriazole-assisted synthesis of N-(α-cyanoalkyl)sulfonamides. Synth. Commun. 27, 907-922.

(1486) (With D.C. Oniciu & I. Ghiviriga) The Mitsunobu reaction: an alternative synthesis of 1-(primary alkyl)benzotriazoles. Synth. Commun. 27, 1613-1621.

(1487) (With C.N. Fali, J.Q. Li, D.J.Ager & I. Prakash) Synthesis of 1-(t-butoxycarbonyl)benzotriazole and 1-(p-methoxybenzyloxycarbonyl)benzotriazole and their use in the protection of amino acids. Synth. Commun. 27, 1623-1630.

(1488) (With G.F. Zhang & L.H. Xie) Novel route to functionalized indans via formal [3 + 2] cycloadditions of 1-benzylbenzotriazoles with alkenes. Synth. Commun. 27, 2467-2478.

(1489) (With G.F. Zhang & L.H. Xie) Functionalized naphthalenes by benzotriazole-mediated annulation. Synth. Commun. 27, 3951-3961.

(1490) (With J. Wang, N. Karodia & J.Q. Li) Facile synthesis of benzotriazines and indoles by ring-scissions of α-benzotriazol-1-yl hydrazones. Synth. Commun. 27, 3963-3976.

(1491) (With O.A. Attanasi, L. De Crescentini, P. Filippone, E. Foresti, R. Galeazzi & I. Ghiviriga) Synthesis, reaction, theoretical calculation, NMR study and X-ray crystal structure of 1-substituted and 1-unsubstituted 1H-pyrazol-5(2H)-ones. Tetrahedron 53, 5617-5640.

(1492) (With L.H. Xie, G.F. Zhang, M. Griffith, K. Watson & J.S. Kiely) Synthesis of primary amines via nucleophilic addition of organometallic reagents to aldimines on solid support. Tetrahedron Lett. 38, 7011-7014.

(1493) (With D. Toader, K. Watson & J.S. Kiely) New synthesis of SAS RIN resin. Tetrahedron Lett. 38, 7849-7850.

(1494) (With J.V. Pervova, P.A. Shipkova, S.M. Allin, M. Siskin & H. Dupont Durst) Aqueous high-temperature chemistry of organophosphorus compounds. Toxicol. Environ. Chem. 59, 219-238.

(1495) (With P.A. Shipkova, Ming Qi, D.H. Powell, M. Siskin, D.T. Ferrughelli & H. Dupont Durst) Aqueous high-temperature chemistry of arsenic-containing compounds in water at 300 °C. Toxicol. Environ. Chem. 59, 239-249.

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(1496) (With M. Siskin, B.D.T. Ferrughelli & W.N. Olmstead) Process for removal of heteroatoms under reducing conditions in supercritical water. 1997 U.S. Patent.

(1497) (With R. D. Tack, J.I. Emert & I.V. Scherbakova) Nitrogen-containing compounds. Patent WO 94/13711 (39 pp).

(1498) 1998 (With D.A. Nichols, P.A. Shipkova & M. Siskin) Reaction of some saturated heterocycles and related amines with 49% formic acid at 350 °C. Part 27. Aquathermolysis. Acta Chim. Hung. 135, 553-563.

(1499) (With S.A. Belyakov) Benzotriazole-based intermediates: reagents for efficient organic synthesis. Aldrichim. Acta 31, 35-45.

(1500) (With D.J. Ager, D.P.Pantaleone, S.A.Henderson, I. Prakash & D.E.Walters) Commercial synthetic nonnutritive sweeteners. Angew. Chem. Int. Ed. 37, 1803-1817.

(1501) (With D.M. Feng, H.Y. Lang, M. Qi & P.J. Steel) Novel syntheses of 4-alkyl-2(5H)-thiophenones and 8-phenylimino-1,2,4- triazolo[5,1-c][1,4]thiazines. Can. J. Chem. 76, 635-642.

(1502) (With X.F. Lan, J.Z. Yang & O.V. Denisko) Properties and synthetic utility of N-substituted benzotriazoles. Chem. Rev. 98, 409-548.

(1503) (With M. Qi) Michael additions of benzotriazole-stabilized carbanions. A review. Collect. Czech. Chem. Commun. 63, 599-613.

(1504) (With P. Czerney, J.R. Levell & W.H. Du) Molecular engineering of benzo[b]pyrylium salts by indirect electrophilic substitution. Eur. J. Org. Chem. 1998, 2623-2629.

(1505) (With Z.X. Zhang, H.Y. Lang & L.H. Xie) Base-catalyzed rearrangement of α-benzotriazolyl alkoxide anions: Synthesis of one-carbon homologated α-substituted alkyl ketones. Heterocycles 47, 187-194.

(1506) (With Z.Q. Wang & S.A. Henderson) Unsymmetrically S-substituted ketene dithioacetals. Heterocycles 48, 295-302.

(1507) (With J.Q. Wang & S.A.Henderson) Debenzotriazolylation of α-benzotriazolyl ketones with samarium diiodide. Heterocycles 48, 1567-1574.

(1508) (With Y.F. Fang, M. Qi & D.M. Feng) Synthesis of 3-arylpyrrolidines by cycloadditions of N,N-bis(benzotriazolylmethyl)amines to styrenes. Heterocycles 48, 2535-2541.

(1509) (With J.C. Yao, M. Qi, Y.T. Chou, D.J.Sikora & S. Davis) Ring opening reactions of succinimides. Heterocycles 48, 2677-2691.

(1510) (With Z.X. Zhang, M. Qi, N. Jubran, L.M. Leichter) Novel heterocycles: a benzodithiolane S-oxide and a benzothiadiazinane S-oxide. Heterocycles 49, 143-148.

(1511) (With P.A. Shipkova, M. Qi, R.D. Burton, C.H. Watson, J.R. Eyler & M. Karelson) Cation tagging for monitoring gas phase reactions. Electrospray FTICR/MS study of ester pyrolysis. Int. J. Mass Spectrom. Ion Processes 175, 149-157.

(1512) (With U. Maran & M. Karelson) Theoretical study of aminoalkylation in the Mannich reaction of furan with methyleneimminium salt. Int. J. Quantum Chem. 67, 359-366.

(1513) (With V.S. Lobanov & M. Karelson) Normal boiling points for organic compounds: Correlation and prediction by a quantitative structure - property relationship. J. Chem. Inf. Comput. Sci. 38, 28-41.

(1514) (With P.D.T. Huibers) Correlation of the aqueous solubility of hydrocarbons and halogenated hydrocarbons with molecular structure. J. Chem. Inf. Comput. Sci. 38, 283-292.

(1515) (With L. Mu & M. Karelson) Relationships of critical temperatures to calculated molecular properties. J. Chem. Inf. Comput. Sci. 38, 293-299.

(1516) (With S. Sild, M. Karelson & V.S. Lobanov) Quantitative Structure - Property Relationship (QSPR) correlation of glass transition temperatures of high molecular weight polymers. J. Chem. Inf. Comput. Sci. 38, 300-304.

(1517) (With Y.L. Wang, S Sild, T. Tämm & M. Karelson) QSPR studies on vapor pressure, aqueous solubility, and the prediction of water-air partition coefficients. J. Chem. Inf. Comput. Sci. 38, 720-725.

(1518) (With S Sild & M. Karelson) General quantitative structure-property relationship treatment of the refractive index of organic compounds. J. Chem. Inf. Comput. Sci. 38, 840-844.

(1519) (With S Sild & M. Karelson) Correlation and prediction of the refractive indices of polymers by QSPR. J. Chem. Inf. Comput. Sci. 38, 1171-1176.

(1520) (With A.A. Abdel-Fattah, S.A. Belyakov & A.F.M. Fahmy) Novel synthesis of α-benzotriazolyl-substituted ketones. J. Chem. Res. (S) 1998, 334-335.

(1521) (With L. Serdyuk & L.H. Xie) Convenient one-pot method for the preparation of polysubstituted benzo[b]- and naphtho[1,2-b]-furans and -thiophenes. J. Chem. Soc. Perkin Trans. 1 1998, 1059-1064.

(1522) (With S.A. Belyakov, O.V. Denisko, U. Maran & N.S. Dalal) New podands with terminal chromogenic moieties derived from formazans. J. Chem. Soc. Perkin Trans. 2 1998, 611-615.

(1523) (With R.D. Burton, M. Qi, P.A. Shipkova, C.H. Watson, Z. Dega-Szafran, J.R. Eyler, M. Karelson, U. Maran & M.C. Zerner) Fourier transform ion cyclotron resonance mass spectrometry and theoretical

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studies of gas phase SN2 nucleophilic substitution reactions at sp3-carbon atoms. J. Chem. Soc. Perkin Trans. 2 1998, 825-833.

(1524) (With R.D. Burton, P.A. Shipkova, M. Qi, C.H. Watson, & J.R. Eyler) Collisionally activated dissociation of N-acylpyridinium cations. J. Chem. Soc. Perkin Trans. 2 1998, 835-840.

(1525) (With M.V. Voronkov & D. Toader) Mechanistic studies of fluoride-promoted silicon elimination in β-benzotriazolyl-β-aryl-γ-ketosilanes. J. Chem. Soc. Perkin Trans. 2 1998, 2515-2518.

(1526) (With D. Fărcaşiu, G. Miller, U.L. Bologa & B.K. Carpenter) Carbodications. 5. Ring opening of the cyclopropanecarbonyl cation in superacid. J. Chem. Soc. Perkin Trans. 2 1998, 2659-2663.

(1527) (With D.A. Nichols & M. Qi) (E)-1-Benzotriazolyl-3-(phenylsulphonyl)-1-propene and Its alkylation reactions. J. Heterocycl. Chem. 35, 173-176.

(1528) (With D. Semenzin, B.Z. Yang & D.P.M. Pleynet) A novel synthesis of quinolinium salts via benzotriazole methodology. J. Heterocycl. Chem. 35, 467-470.

(1529) (With S.A.Henderson & B.Z. Yang) Applications of benzotriazole methodology in heterocycle ring synthesis and substituent introduction and modification. J. Heterocycl. Chem. 35, 1123-1159.

(1530) (With N. Rumpf, D. Groschl, H. Meier & D.C. Oniciu) An alternative route to 2H-naphtho[1,2-b]thiete and its cycloaddition products. J. Heterocycl. Chem. 35, 1505-1508.

(1531) (With B.Z. Yang & N.S. Dalal) Novel heteroatom-linked analogues of trityl radicals: diaryl(benzotriazol-1-yl)methyl radical dimers. J. Org. Chem. 63, 1467-1472.

(1532) (With D.M. Feng & M. Qi) Synthesis of β-alkoxy ketones and α′-functionalized β-alkoxy ketones utilizing benzotriazole-stabilized acyl anion synthons. J. Org. Chem. 63, 1473-1477.

(1533) (With D.C. Oniciu, I. Ghiviriga & F. Soti) Syntheses of dialkyl and functionalized ketones via 1-(benzotriazol-1-yl)alkyl methyl thioethers. J. Org. Chem. 63, 2110-2115.

(1534) (With D. Cheng & J.Q. Li) Benzotriazole-mediated stereoselective olefination of carboxylic esters: transformation of α-amino acid esters into chiral allylamines. J. Org. Chem. 63, 3438-3444.

(1535) (With X.J. Wang, L.H. Xie & D. Toader) Functionalized (benzotriazol-1-yl)methanes as 1,1-dipole synthon equivalents in diverse annulations to aromatic and heteroaromatic rings. J. Org. Chem. 63, 3445-3449.

(1536) (With S.N. Denisenko, D.C. Oniciu & I. Ghiviriga) Syntheses of β,β-diarylvinyl phenyl ketones by benzotriazole-mediated tandem coupling-elimination. J. Org. Chem. 63, 3450-3453.

(1537) (With M. Darabantu, D.C. Aslan & D.C. Oniciu) Selective reactivity of sp3and sp2 carbanions of 1-substituted 1,2,4-triazoles. A comparative approach. J. Org. Chem. 63, 4323-4331

(1538) (With M. Karelson, S. Sild, T.M. Krygowski & K. Jug) Aromaticity as a quantitative concept. 7. Aromaticity reaffirmed as a multidimensional characteristic. J. Org. Chem. 63, 5228-5231.

(1539) (With J.C. Yao & M. Qi) Palladium-catalyzed reaction of N-allylbenzotriazoles with amines: a novel method for the preparation of allylamines. J. Org. Chem. 63, 5232-5234.

(1540) (With G.F. Qiu, B.Z. Yang & P.J. Steel) Efficient routes to chiral 2-substituted and 2,6-disubstituted piperidines. J. Org. Chem. 63, 6699-6703.

(1541) (With D. Cheng, S. A. Henderson & J.Q. Li) Trans-selective olefination of carbonyl compounds by low-valent titanium-mediated dehydroxybenzotriazolylation. J. Org. Chem. 63, 6704-6709.

(1542) (With W.H. Du, J.R. Levell & J.Q. Li) Cyclopropylidene derivatives via low-valent titanium-induced dehydroxylative debenzotriazolylation of 1- and 2-(cyclopropylbenzotriazolyl)carbinols. J. Org. Chem. 63, 6710-6711.

(1543) (With M. Qi & D.M. Feng) Generation and reactions of nonstabilized bis(α-aminocarbanions). J. Org. Chem. 63, 6712-6714.

(1544) (With D. Toader & X.J. Wang) Efficient syntheses of secondary and tertiary 2-aryl- and 2-heteroaryl-allyl alcohols. J. Org. Chem. 63, 9978-9982.

(1545) (With D. Toader & C. Chassaing) Novel syntheses of 1,2-diarylprop-2-en-1-ones. J. Org. Chem. 63, 9983-9986.

(1546) (With M.V. Voronkov & D. Toader) Novel and efficient entry to γ-aryl-substituted γ,δ-unsaturated ketones, amides, nitriles, and sulfones by conjugate additions of 2-benzotriazolylethylsilanes. J. Org. Chem. 63, 9987-9988.

(1547) (With M. Arend) A convenient and highly regioselective one-pot synthesis of quinolines by addition of a Vilsmeier-type reagent to N-arylimines. J. Org. Chem. 63, 9989-9991.

(1548) (With B.Z. Yang & D.P.M. Pleynet) Novel heteroatom-substituted trityl radical analogues: preparation and properties of diaryl(benzotriazol-2-yl)methyl radical dimers. J. Org. Chem. 63, 9992-9994.

(1549) (With T.L. Davis, G.W. Rewcastle, G.O. Rubel & M.T. Pike) Design and synthesis of novel fluorinated surfactants for hydrocarbon subphases. Langmuir 14, 732-735.

(1550) (With Z.J. Yang, J.N. Lam & C.C. Nagel) Synthesis of symmetrical and unsymmetrical disubstituted α-pyrenylmethyl and α-perylenylmethyl malonate and cyanoacetate allyl esters. Org. Prep. Proced. Int. 30, 203-210.

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(1551) (With Y.F. Fang & S.A. Belyakov) Borane-(N-substituted)benzotriazole complexes and their alkylation reactions. Org. Prep. Proced. Int. 30, 325-330.

(1552) (With S. Sengupta) Activation of α-sp3 centres toward electrophilic substitution in alcohols and amines. Proc Indian Acad Sci. – Chem. Sci. 100, 187-203.

(1553) (With J.R. Levell & D.P.M. Pleynet) General synthesis of unsymmetrical tetrasubstituted oxamides via 1,1'-(1,2-dioxoethane-1,2-diyl)bis-1H-benzotriazole. Synthesis 1998, 153-156.

(1554) (With G.F. Qiu & B.Z. Yang) A novel facile method for the synthesis of 3,4-dihydro-2H-pyrido[1,2-a]pyrimidinium salts. Synthesis 1998, 704-706.

(1555) (With C.N. Fali, W.L. Bao & M. Qi) Monoacylaminals by the benzotriazole-assisted aminoalkylation of amides. Synthesis 1998, 1421-1423.

(1556) (With R. Abonia, B.Z. Yang, M. Qi & B. Insuasty) Synthesis of 3,4,7,8-tetrahydro-6H-pyrido[1,2,3-ef][1,5]benzodiazepin-2(1H)-ones via benzotriazole methodology. Synthesis 1998, 1487-1490.

(1557) (With D.P.M. Pleynet, B.Z. Yang & J.C. Yao) A simple and efficient synthesis of 1,6-disubstituted 1,4,5,6- tetrahydropyridazines by ring enlargement of 2,5-dibenzotriazolyl-N-aminopyrrolidines. Synthesis 1998, 1627-1630.

(1558) (With M. Qi) The generation and reactions of non-stabilized α-amino-carbanions. Tetrahedron 54, 2647-2668.

(1559) (With S. Strah & S.A. Belyakov) The preparation of functionalized amines and amides using benzotriazole derivatives and organozinc reagents. Tetrahedron 54, 7167-7178.

(1560) (With D.C. Aslan & D.C. Oniciu) Stereoselective synthesis of 2-(α-hydroxyalkyl)benzimidazoles. Tetrahedron Asymmetry 9, 2245-2251.

(1561) (With C.N. Fali, M. Qi) Regioselective reaction of allylbenzotriazoles with aldehydes and ketones in the presence of lithium. Tetrahedron Lett. 39, 363-366.

(1562) (With X.L. Cui, B.Z. Yang & P.J. Steel) A short asymmetric synthesis of 2,5-disubstituted pyrrolidines. Tetrahedron Lett. 39, 1697-1700.

(1563) (With C.N. Fali & M. Qi) 1,1-Bis(benzotriazolyl) derivatives as gem-dianion synthons. Tetrahedron Lett. 39, 2289-2292.

(1564) (With W.L. Bao, M. Qi, C.N. Fali & I. Prakash) Preparation of 1,2- and 1,4-diols via selective cleavage of C-benzotriazole bonds in reductive lithiations of N-(α-alkoxy-benzyl and -allyl) benzotriazoles. Tetrahedron Lett. 39, 6437-6440.

(1565) (With D.M. Feng & M. Qi) The synthesis of 3,5-di- and 3,5,5-trisubstituted-1,3-oxazolidines from primary amines and carbonyl compounds. Tetrahedron Lett. 39, 6835-6836.

(1566) (With D.A. Nichols & M. Qi) Benzotriazole mediated syntheses of α-fluoro-β-amino esters. Tetrahedron Lett. 39, 7063-7066.

(1567) (With S.A. Belyakov, Y.F. Fang & J.S. Kiely) Polymer-supported preparation of substituted phenols: A new example of simultaneous cyclization-cleavage reaction on solid phase. Tetrahedron Lett. 39, 8051-8054.

(1568) Method for preparing 3,3-dimethylbutyraldehyde. U.S. Patent (8 pp). (1569) 1999 (With M. Piffl, H.Y. Lang & E. Anders) Regioselectivity of the reactions of heteroatom-stabilized

allyl anions with electrophiles. Chem. Rev. 1999, 99, 665-722. (1570) (With G.G. Danagulian, L.G. Saakian & S.N. Denisenko) The formation of pyridone-2 in the process

of enamine rearrangement of pyrimidinium salts. Chem. Heterocycl. Compd. (Engl. trans.) 1375-1376; Khim. Geterotsikl. Soed. 35, 1572-1573.

(1571) (With Y.L. Wang, M. Karelson & U. Maran) QSPR and QSAR models derived using large molecular descriptor spaces. A review of CODESSA applications. Collect. Czech. Chem. Commun. 64, 1551-1571.

(1572) (With A.El-R.S. Ferwanah & S.N. Denisenko) Synthesis of N-(arylprop-2-en-1-yl)benzotriazoles by the Heck reaction. Heterocycles 50, 767-777.

(1573) (With M.V. Voronkov, A. Pastor & D. Tatham) Direct synthesis of α-(benzotriazol- 1-yl)alkyl ethers. Heterocycles 51, 1877-1882.

(1574) (With A.El-R. Ferwanah, Y. Matsukawa, P.J. Steel & S.N. Denisenko) New synthesis of benzo[a]phenazines based on acid promoted ring opening of the benzotriazole moiety. Heterocycles 51, 2335-2342.

(1575) (With F. Eckert, G. Rauhut & P.J. Steel) A theoretical and experimental study of the molecular rearrangement of 5-methyl-4-nitrobenzofuroxan. J. Am. Chem. Soc. 121, 6700-6711.

(1576) (With J. Cobo-Domingo, B.Z. Yang & P.J. Steel) Diastereoselective synthesis of N-substituted ethyl 4- phenyloxazolidine-2-carboxylates. J. Chem. Res.(S) 1999, 162-163.

(1577) (With D.A. Monteux, D.O. Tymoshenko & S.A. Belyakov) The direct carbamoylation of organometallic reagents with 1,2,3-benzotriazole-1-carboxamides. J. Chem. Res. (S) 1999, 230-231.

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(1578) (With C. Chassaing, D. Toader & K. Gill) Reactions of 1-(benzotriazol-1-yl)-1-phenoxyalkane and (benzotriazol-1-yl)ethoxyphenylmethane anions with nitroarenes: a new approach to alkyl and aryl p-nitroaryl ketones. J. Chem. Res. (S) 1999, 504-505.

(1579) (With S. Sild, M. Karelson, B. Lučić & N. Trinajstić) A new efficient approach for variable selection based on multiregression: Prediction of gas chromatographic retention times and response factors. J. Chem. Inf. Comput. Sci. 39, 610-621.

(1580) (With T. Tämm, Y.L. Wang, S. Sild & M.Karelson) QSPR treatment of solvent scales. J. Chem. Inf. Comput. Sci. 39, 684-691.

(1581) (With T. Tämm, Y.L. Wang & M. Karelson) A unified treatment of solvent properties. J. Chem. Inf. Comput. Sci. 39, 692-698.

(1582) (With S.A. Belyakov & D.O. Tymoshenko) Preparation of polymer-bound 1H-benzotriazoIe, a new potential scaffold for the compilation of organic molecule libraries. J. Comb. Chem. 1, 173-176.

(1583) (With X.L. Cui & Q.H. Long) Reactions of N-aryl-1H-benzotriazolyl-1-methanamines with allyl trimethylsilanes. A facile route to trialkylsilane tetrahydroquinolines. J. Heterocycl. Chem. 36, 371-375.

(1584) (With S. Agamy, B.Z. Yang & G.F. Qiu) Synthesis of tetracyclic and pentacyclic phenothiazines via benzotriazole methodology. J. Heterocycl. Chem. 36, 473-476.

(1585) (With S. Strah, D.O. Tymoshenko & G. Johnson) Synthesis of pyrido[4,3,2-de]quinazolines via nitro-substituted tetrahydroquinolines. J. Heterocycl. Chem. 36, 755-759.

(1586) (With A. Pastor & M.V. Voronkov) An efficient general synthesis of 1-(benzotriazol-1-yl)alkyl esters. J. Heterocycl. Chem. 36, 777-781.

(1587) (With W.H, Du, Y. Matsukawa, I. Ghiviriga & S.N. Denisenko) Polycyclic fused phenanthridines: An alternative approach from benzotriazoles. J. Heterocycl. Chem. 36, 927-932.

(1588) The continuing magic of benzotriazole: an overview of some recent advances in synthetic methodology. J. Heterocycl. Chem. 36, 1501-1522.

(1589) (With Y.F. Fang & I. Prakash) The preparation of L,L-aspartame citric amide. J. Indian Chem. Soc. 76, 675-677.

(1590) (With B. Tsuie, J. Reddinger, G.A. Sotzing J.R. Reynolds, & J. Soloducho) Electroactive and luminescent polymers: new fluorene-heterocycle-based hybrids. J. Mater. Chem. 9, 2189-2200.

(1591) (With M. Siskin) Overview of the reactivity of organics in superheated water: geochemical and technology implications. American Chemical Society publication (1999).

(1592) (With P. Rademacher, K. Kowski & S.N. Denisenko) Structural chemistry of polycyclic heteroaromatic compounds. Part 10: Photoelectron spectra and electronic structures of 1-substituted 1H-benzotriazoles. J. Mol. Struct. 513, 47-62.

(1593) (With J.C. Yao, W.L. Bao, M. Qi & P.J. Steel) 2-Benzotriazolylaziridines and their reactions with diethyl acetylenedicarboxylate. J. Org. Chem. 64, 346-350.

(1594) (With J.H. Ahn, M.J. Joung, N.M. Yoon & D.C. Oniciu) A new method of synthesis for propargylic amines and ethers via benzotriazole derivatives using sodium dialkynyldiethylaluminates. J. Org. Chem. 64, 488-492.

(1595) (With L. Serdyuk, D. Toader & X.J. Wang) A four-carbon unit reagent for the regiospecific synthesis of 2-alkyl-substituted 1,3-butadienes. J. Org. Chem. 64, 1888-1892.

(1596) (With X.L. Cui, B.Z. Yanga & P.J. Steel) Asymmetric syntheses of 2-substituted and 2,5-disubstituted pyrrolidines from (3S,5R,7aR)-5-(benzotriazol-1-yl)-3-phenyl[2,1-b]oxazolopyrrolidine. J. Org. Chem. 64, 1979-1985.

(1597) (With Z.Z. Huang, Y.F. Fang & I. Prakash) A novel synthesis of alkyl, aryl, alkenyl, and alkynyl 1,6-diketones. J. Org. Chem. 64, 2124-2126.

(1598) (With Z.S. Luo & X.L. Cui) Synthesis of substituted piperidines from N,N-bis[(benzotriazol-1-yl)methyl]amines. J. Org. Chem. 64, 3328-3331.

(1599) (With D.O. Tymoshenko & S.A. Belyakov) Advantageous syntheses of stilbenes via benzotriazole-stabilized anions J. Org. Chem. 64, 3332-3334.

(1600) (With D.M. Feng, M. Qi, J.M. Aurrecoechea, R. Suero & N. Aurrekoetxea) Novel tandem cyclizations/reaction with elecrophiles of α-aminoalkyl radicals J. Org. Chem. 64, 3335-3338.

(1601) (With J.C. Yao & B.Z. Yang) Palladium-catalyzed reactions of N-allylbenzotriazoles with amines: Intramolecular allylamination routes to 2-vinylpyrrolidines and 2-vinylpiperidines. J. Org. Chem. 64, 6066-6070.

(1602) (With A.A.A. Abdel-Fattah, D.O. Tymoshenko, S.A. Belyakov, I. Ghiviriga & P.J. Steel) Amino(hetero)arylmethylation of phenols with N-[α-amino(hetero)arylmethyl]benzotriazoles. J. Org. Chem. 64, 6071-6075.

(1603) (With A. Denisenko & M. Arend) A simple and versatile route to novel conjugated β-enaminonitriles and their application for the highly regioselective synthesis of nicotinonitriles using a Vilsmeier-type reagent. J. Org. Chem. 64, 6076-6079.

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(1604) (With D. Toader, C. Chassaing & D.C. Aslan) Masked 2-arylacroleins: versatile three-carbon units for organic synthesis. J. Org. Chem. 64, 6080-6084.

(1605) (With G.F. Qiu, B.Z. Yang & H.Y. He) Novel syntheses of indolizines and pyrrolo[2,1-a]-isoquinolines via benzotriazole methodology. J. Org. Chem. 64, 7618-7621.

(1606) (With Y.F. Fang & A. Silina) Preparation of β-amido ketones and aldehydes via amidoalkylation of enamines, enol silyl ethers, and vinyl ethers. J. Org. Chem. 64, 7622-7624.

(1607) (With Z.Z. Huang & Y.F. Fang) Palladium(0)-catalyzed reactions of allylic benzotriazoles with enamines: a novel method for the stereoselective synthesis of (4E)-γ,δ-unsaturated ketones. J. Org. Chem. 64, 7625-7627.

(1608) (With J.L. Jiang) Three-carbon homologations employing benzotriazole-stabilized allylic anions. J. Prakt. Chem.: Adv. Synth. Catal. 341, 79-82.

(1609) (With W.H. Du, S.N. Denisenko, P. Czerney & P.J. Steel) Benzotriazole-mediated 4-position derivatization of 2,6-diarylpyrylium cations by electrophiles. J. Prakt. Chem.: Adv. Synth. Catal. 341, 152-158.

(1610) (With D.A. Monteux & D.O. Tymoshenko) One-pot synthesis of N-imidoylbenzotriazoles via benzotriazole-mediated Beckmann rearrangement of oximes. Org. Lett. 1, 577-578.

(1611) (With M. Qi, D.M. Feng, G.F. Zhang, M.C. Griffith & K. Watson) Synthesis of 1,2,4-triazole-functionalized solid support and its use in the solid-phase synthesis of trisubstituted 1,2,4-triazoles. Org. Lett. 1, 1189-1191.

(1612) (With H.Y. He, G.F. Qiu, P.J. Bratt, S.H. Parrish & A. Angerhofer) EPR studies on the SmI2-promoted coupling of N-(N′,N′-dialkylaminoalkyl)benzotriazoles. Org. Lett. 1, 1755-1757.

(1613) (With D.C. Oniciu, C. Churlaud & J. Pornet) Novel 4-(trimethylsilyl)aimnoalkanes and 4-(trimethylsilyl)aminoalk-2-enes, via a 1,5-hydride shift, in the reaction of α-unsaturated silanes with aminomethylbenzotriazoles. Organometallics 18, 4270-4274.

(1614) (With U. Maran & M. Karelson) A comprehensive QSAR treatment of the genotoxicity of heteroaromatic and aromatic amines. Quant. Struct.-Act. Relat. 18, 3-10.

(1615) (With V.S. Lobanov, F. Ignatz Hoover & M. Karelson) Insights into sulfur vulcanization from QSPR quantitative structure-property relationship studies. Rubber Chem. Tech. 72, 318-333.

(1616) (With B.Z. Yang, G.F. Qiu & Z.X. Zhang) A convenient trifluoroacetylation reagent: N-(trifluoroacetyl)succinimide. Synthesis 1999, 55-57.

(1617) (With A.A.A. Abdel-Fattah, D.O. Tymoshenko & S.A. Essawy) A novel and efficient 2,4,6-trisubstituted pyridine ring synthesis via α-benzotriazolyl ketones. Synthesis 1999, 2114-2118.

(1618) (With G.F. Qiu, B.Z. Yang & P.J. Steel) Enantioselective synthesis of ethyl 6-substituted-2,3,3a,4,5,6-hexahydro-1H-indolo[3,2,1-de][1,5]naphthyridine-2-carboxylates from tryptophan. Tetrahedron 55, 3489-3494.

(1619) (With J.Q. Li & L.H. Xie) [3+3] Benzannulations of benzenoid- and heteroaromatic-ring systems. Tetrahedron 55, 8263-8293.

(1620) (With J. Cobo-Domingo, B.Z. Yang & P.J. Steel) Stereospecific synthesis of oxazolo[3,4-b]tetra-hydroisoquinolin-3-ones, analogs of podophyllotoxin, via benzotriazole methodology. Tetrahedron Asymm. 10, 255-263.

(1621) (With W. Bao, Y. Fang, M. Qi & I. Prakash,) The preparation of 1,5-dioxygenated-pent-2-ynes. Tetrahedron Lett. 40, 253-256.

(1622) (With S.A. Belyakov, S. Strah, B. Cage & N.S. Dalai) Preparation of spin-labeled styrene-divinylbenzene copolymers and a new approach for quantitative determination of the resin loading using ESR spectroscopy. Tetrahedron Lett. 40, 407-410.

(1623) (With I. Prakash & D.J. Ager) Preparation of 3,3-dimethylbutyraldehyde by oxidation of 3,3-dimethylbutanol. U.S. Patent app. 97/907048; EP 0390652 (6 pp).

(1624) 2000 (With O.V. Denisko & J. Elguero) Prototropic tautomerism of heterocycles: Heteroaromatic tautomerism - General overview and methodology. Adv. Heterocycl. Chem. 76, 1-84.

(1625) (With W. Friedrichsen, T. Traulsen & J. Elguero) The tautomerism of heterocycles: Five-membered rings with one heteroatom. Adv. Heterocycl. Chem. 76, 85-156.

(1626) (With O.V. Denisko, V.I. Minkin, A.D. Garnovskii & J. Elguero) The tautomerism of heterocycles: Five-membered rings with two or more heteroatoms. Adv. Heterocycl. Chem. 76, 157-323.

(1627) (With R.M. Claramunt & J. Elguero) Tautomerism involving other than five- and six-membered rings. Adv. Heterocycl. Chem. 77, 1-50.

(1628) (With I. Shcherbakova & J. Elguero) The tautomerism of heterocycles: Condensed five-six, five-five, and six-six ring systems with heteroatoms in both rings. Adv. Heterocycl. Chem. 77, 51-113.

(1629) (With K. Chen, U. Maran & D.A. Carlson) QSPR correlation and predictions of GC retention indexes for methyl-branched hydrocarbons produced by insects. Anal. Chem. 72, 101-109.

(1630) (With J. Soloducho & S. Belyakov) Bis-4-halophenyl-pyrimidines and -1,2,4,5-tetrazines. Arkivoc 2000, (i), 37-42.

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(1631) (With H.Y. He, Q.H. Long, X.L. Cui, J. Level & A.L. Wilcox) The preparation of some heteroaromatic and aromatic aldehydes. Arkivoc 2000, (iii), 240-251.

(1632) Organic Chemistry in the New Millennium. Arkivoc 2000, (iv), 445-451. (1633) (With X.L. Cui, Q.H. Long, S. Mehta & P.J. Steel) Syntheses of heteroaryl-benzotriazoles by

Mannich condensations. Arkivoc 2000, (iv), 471-485. (1634) (With D.A. Nichols & M.V. Voronkov) Syntheses and reactions of α-benzotriazolylenamines: Stable

analogs of α-chloroenamines. Arkivoc 2000, (v), 667-683. (1635) (With Q.H. Long, H.Y. He, G.F. Qiu & A.L. Wilcox) Preparation of 2-alkoxy-5-

methoxybenzaldehydes and 2-ethoxy-5-alkoxybenzaldehydes. Arkivoc 2000, (vi), 868-875. (1636) The genesis and objectives of Arkivoc, an electronic-hard copy journal of organic chemistry.

Chemistry in Australia 2000 (3 pp). (1637) (With B.Z. Yang, D.P.M. Pleynet & J. Wang) Novel heterocyclic analogs of trityl radicals. Synthesis

and dimerization of diarylmethyl-1H-1,2,4-triazoles and diarylmethyl-2H-phenanthro[9,10-d][1,2,3]triazoles. Heterocycles 52, 203-214.

(1638) (With Y.F. Fang, D.M. Feng, A. Silina & I. Prakash) A convenient route to β-phenylthioalkyl ketones. Heterocycles 53, 331-337.

(1639) (With G.G. Danagulyan, L.G. Sahakyan & S.N. Denisenko) Exchange aminations in conversions of pyrimidinium iodides to 2-alkylaminonicotinic acids. Heterocycles 53, 419-422.

(1640) (With Y.F. Fang) Benzotriazole-mediated [1,2]-Wittig rearrangement. The preparation of homoalcohols from ethers. Heterocycles 53, 1783-1788.

(1641) (With Z.S. Luo & Y.F. Fang) N-Boc-N-(benzotriazol-1-ylmethyl)benzylamine as a 1,1-dipole equivalent in stereoselective synthesis of 4,5-disubstituted imidazolidin-2-ones. Abstracts of Papers of the American Chemical Society 220, U86.

(1642) Advances in Quantitative Structure Property Relationships. Vol. 2 (M. & B.I. Charton, eds) (book review) J. Am. Chem. Soc. 122, 5762.

(1643) (With M. Siskin) A review of the reactivity of organic compounds with oxygen-containing functionality in superheated water. J. Anal. Appl. Pyrolysis 54, 193-214.

(1644) (With U. Maran, V.S. Lobanov & M. Karelson) Structurally diverse quantitative structure-property relationship correlations of technologically relevant physical properties. J. Chem. Inf. Comput. Sci. 40, 1-18.

(1645) (With Z.S. Luo, Y.F. Fang, D.M. Feng, I & Ghiviriga) Preparation of polysubstituted piperidines via radical cyclization. J. Chem. Soc. Perkin Trans. 2 2000, 1375-1380.

(1646) (With J.S. Kiely, N. Hebert & C. Chassaing) Definition of templates within combinatorial libraries. J. Comb. Chem. 2, 2-5.

(1647) (With L. Serdyuk, C. Chassaing, D. Toader, X.J. Wang, B. Forood, B. Flatt, C.C. Sun & K. Vo) Syntheses of 2-alkylamino- and 2-dialkylamino-4,6-diarylpyridines and 2,4,6-trisubstituted pyrimidines using solid-phase-bound chalcones. J. Comb. Chem. 2, 182-185.

(1648) (With A. Pastor & M.V. Voronkov) Synthesis of 1,1-bis(1,2,4-triazol-1-yl)-based potential aromatase inhibitors. J. Heterocycl. Chem. 37, 743-745.

(1649) (With A. Denisenko, S.N. Denisenko & M. Arend) Convenient one-pot syntheses of pyrazoles from imines, a Vilsmeier type reagent and hydrazine. J. Heterocycl. Chem. 37, 1309-1314.

(1650) (With M.A.C. Button & S.N. Denisenko) Efficient synthesis of 3,5-functionalized isoxazoles and isoxazolines via 1,3-dipolar cycloaddition reactions of 1-propargyl- and 1-allylbenzotriazoles. J. Heterocycl. Chem. 37, 1505-1510.

(1651) (With B.V. Rogovoy, C. Chassaing, V. Vvedensky, B. Forood, B. Flatt & H. Nakai) Syntheses of 2,4-diaryl-2,3-dihydro-1,5-benzothiazepines. J. Heterocycl. Chem. 37, 1655-1658.

(1652) (With Y. Fang & I. Prakash) A novel preparation of 3,3-dimethylbutyraldehyde via isomerization of 3,3-dimethyl-1-butene epoxide. J. Indian Chem. Soc. 77, 635-636.

(1653) (With H.H. Odens & M.V. Voronkov) Masked formylation with 2-benzotriazolyl-1,3-dioxolane, a novel formyl cation equivalent. J. Org. Chem. 65, 1886-1888.

(1654) (With T.B. Huang, M.V. Voronkov) Direct and efficient synthesis of dimethylformamidrazones using bentriazole Vilsmeier reagent. J. Org. Chem. 65, 2246-2248.

(1655) (With A. Pastor) Synthesis of β-dicarbonyl compounds using 1-acylbenzotriazoles as regioselective C-acylating reagents. J. Org. Chem. 65, 3679-3682.

(1656) (With G.F. Qiu, H.Y. He & B.Z. Yang) Novel syntheses of hexahydro-1H-pyrrolo[1,2-a]imidazoles and octahydroimidazo[1,2-a]pyridines. J. Org. Chem. 65, 3683-3689.

(1657) (With S. Mehta, H.Y. He & X.L. Cui) Preparation of 1,5-disubstituted pyrrolidin-2-ones. J. Org. Chem. 65, 4364-4369.

(1658) (With D.O. Tymoshenko, D. Monteux, V. Vvedensky, G. Nikonov, C.B. Cooper & M. Deshpande) A new three-carbon synthon for efficient synthesis of benzannelated and 1-(2-arylethenyl) heterocycles. J. Org. Chem. 65, 8059-8062.

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(1659) (With J.C. Yao & O.V. Denisko) A facile route to functionalized allylamines and N-allylsulfonamides. J. Org. Chem. 65, 8063-8065.

(1660) (With O.V. Denisko & S. Busont) Convenient preparation of 1-amidoindenes. J. Org. Chem. 65, 8066-8068.

(1661) (With T.B. Huang, M.V. Voronkov & P.J. Steel) Polycyclic heteroaromatics from reactions of acylbenzotriazoles with aryl isocyanates. J. Org. Chem. 65, 8069-8073.

(1662) (With L.H. Zhang, J.C. Yao & O.V. Denisko) Preparation of 1,2-diaryl(heteroaryl)-pyrroles and -3-methylpyrroles from N-allylbenzotriazole. J. Org. Chem. 65, 8074-8076.

(1663) (With X.J. Wang & R. Maimait) Convenient synthesis of novel N-substituted-5-aminothiazole derivatives. J. Org. Chem. 65, 8077-8079.

(1664) (With B.V. Rogovoy, C. Chassaing & V. Vvedensky) Di(benzotriazol-1-yl)methanimine: a new reagent for the synthesis of tri- and tetra-substituted guanidines. J. Org. Chem. 65, 8080-8082.

(1665) (With H.Y. He & K. Suzuki) N-acylbenzotriazoles: neutral acylating reagents for the preparation of primary, secondary, and tertiary amides. J. Org. Chem. 65, 8210-8213.

(1666) (With T.B. Huang, M.V. Voronkov, M.Y. Wang & H. Kolb) Efficient one-pot synthesis of polysubstituted pyrroles. J. Org. Chem. 65, 8819-8821.

(1667) (With G.F. Qiu, Q.H. Long, H.Y. He & P.J. Steel) Efficient syntheses of imidazolo-[1,2-a]pyridines and -[2,1-a]isoquinolines. J. Org. Chem. 65, 9201-9205.

(1668) (With A. Degl'Innocenti, A. Capperucci & D.C. Oniciu) Novel access to thioacylsilanes with benzotriazole-mediated methodology. J. Org. Chem. 65, 9206-9209.

(1669) (With K. Chen, Y.L. Wang, M. Karelson, B. Lučić, N. Trinajstić, T. Suzuki & G. Schüürmann) Prediction of liquid viscosity for organic compounds by a quantitative structure-property relationship. J. Phys. Org. Chem. 13, 80-86.

(1670) (With A. Pastor, M. Voronkov & P.J. Steel) Novel one-step synthesis of thiazolo[3,2-b]-[1,2,4]triazoles. Org. Lett. 2, 429-431.

(1671) (With S.M. Zhang & Y.F. Fang) BtCH2TMS-assisted homologation of carboxylic acids: a safe alternative to the Arndt-Eistert reaction. Org. Lett. 2, 3789-3791.

(1672) (With X.L. Cui, Q.H. Long, B.Z. Yang, A.L. Wilcox & Y. Zhang) Efficient and facile routes to nitrones. Org. Prep. Proced. Int. 32, 175-183.

(1673) (With O.V. Denisko) Designing efficient synthetic routes to polyfunctionality. Pure Appl. Chem. 72, 1597-1603.

(1674) (With Y.F. Fang, A. Donkor & J.Y. Xu) Imine acylation via benzotriazole derivatives: the preparation of enaminones. Synthesis 2000, 2029-2032.

(1675) (With T.M. Krygowski, M.K. Cyrański, Z. Czarnocki & G. Häfelinger) Aromaticity: a theoretical concept of immense practical importance. Tetrahedron 56, 1783-1796.

(1676) (With Z.S. Luo & Y.F. Fang) A facile route to 2-substituted N-Boc-pyrrolidines. Tetrahedron Lett. 41, 9691-9693.

(1677) 2001 (With B. Stanovnik, M. Tišler & O. Denisko) The tautomerism of heterocycles. Six-membered heterocycles: Part 1. Annular tautomerism. Adv. Heterocycl. Chem., 81, 253-303.

(1678) (With D.O. Tymoshenko, K. Chen & A.A. Fattah) Ring and side chain reactivities of 1-[(1,3,4-oxadiazol-2-yl)methyl]-1H-benzotriazoles. Arkivoc 2001, (ii) 101-108.

(1679) (With H.Y. He, Q.H. Long & A.L. Wilcox) Preparation of 2,6-dialkoxybenzaldehydes. Arkivoc 2001, (iii) 3-12.

(1680) (With Y. Ji, D.O. Tymoshenko, Y.F. Fang & K.-G. Hylton) The synthesis of 2,3,5-trisubstituted phenols. Arkivoc 2001, (iv) 20-28.

(1681) (With R. Maimait, A. Denisenko & S.N. Denisenko) Synthesis and reactions of benzotriazolyl epoxides. Arkivoc 2001, (v) 68-78.

(1682) (With A. Silina, D.O. Tymoshenko, G.F. Qiu, S.K. Nair & P.J. Steel) A novel approach to polysubstituted 3-aryl-2(1H)-pyridinones. Arkivoc 2001, (vii) 138-144.

(1683) (With M.Y. Wang & S.M. Zhang) One-pot synthesis of cinnamoyl hydrazides. Arkivoc 2001, (ix) 19-23.

(1684) (With S.M. Zhang, A. Soares & M.Y. Wang) A facile synthesis of benzyl α,β-unsaturated carboxylic esters. Arkivoc 2001, (x) 54-57.

(1685) (With O.V. Denisko, Y.F. Fang, L.H. Zhang & Z.Q. Wang) Unexpected reactions of organozinc reagents with N-acylbenzotriazoles. Arkivoc 2001, (xi) 41-48.

(1686) (With N.G. Akhmedov, S.N. Denisenko & S Perumal) An 1H and 13C NMR conformational study of 2-(benzotriazol-1-yl)-substituted tetrahydropyrans. Can. J. Chem. 79, 1655-1658.

(1687) (With M. Siskin) Reactivity of organic compounds in superheated water: General background. Chem. Rev. 101, 825-835.

(1688) (With D.A. Nichols, M. Siskin, R. Murugan & M. Balasubramanian) Reactions in high-temperature aqueous media. Chem. Rev. 101, 837-892.

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(1689) (With K. Jug & D.C. Oniciu) Quantitative measures of aromaticity for mono-, bi-, and tricyclic penta- and hexaatomic heteroaromatic ring systems and their interrelationships. Chem. Rev. 101, 1421-1449.

(1690) (With D.C. Oniciu, I. Ghiviriga, P.J. Steel & P. Tomasik) Tautomerism and rotamerism in 2-(2-phenylhydrazino)pyridine. Chem. Heterocycl. Comp. 37, 723-726; Khim Geterotsikl. Soed. 2001, 785-789.

(1691) (With C.A. Ramsden, C.W. Rees & P. Thind) Arkivoc: a hard copy journal of organic chemistry freely available on the web. Chemistry International 23 (6).

(1692) (With R. Jain, A. Lomaka, R. Petrukhin, U. Maran & M. Karelson) Perspective on the relationship between melting points and chemical structure. Cryst. Growth Des. 1, 261-265.

(1693) (With M.A.C. Button & S.N. Denisenko) Xanthate mediated generation of the benzotriazol-1-ylmethyl radical and its subsequent addition to a variety of olefins. Heterocycles 54, 301-308.

(1694) (With Z.S. Luo) Remarkably easy oxidation of alkylzinc reagents in their reactions with electrophiles to produce alkoxylated instead of the expected alkylated products. Heterocycles 55, 1467-1474.

(1695) (With T. Kurz, S.M. Zhang, M.V. Voronkov & P.J. Steel) α-Benzotriazolylpyridines and their N-oxides. Heterocycles 55, 1703-1710.

(1696) (With J.C. Yao, M. Qi, G.F. Qiu, W.L. Bao, B.Z. Yang, O. Denisko, S. Davis & J.G. Zhang) Preparation and physical properties of N-defunctionalized derivatives of poly(aspartic acid). J. Appl. Polym. Sci. 81, 85-90.

(1697) (With F. Ignatz-Hoover, R. Petrukhin & M. Karelson) QSRR correlation of free-radical polymerization chain-transfer constants for styrene. J. Chem. Inf. Comput. Sci. 41, 295-299.

(1698) (With D.B. Tatham & U. Maran) Correlation of the solubilities of gases and vapors in methanol and ethanol with their molecular structures. J. Chem. Inf. Comput. Sci. 41, 358-363.

(1699) (With S. Perumal, R. Petrukhin & E. Kleinpeter) CODESSA-based theoretical QSPR model for hydantoin HPLC-RT lipophilicities. J. Chem. Inf. Comput. Sci. 41, 569-574.

(1700) (With R. Petrukhin, D.B. Tatham, S. Basak, E. Benfenati, M. Karelson & U. Maran) Interpretation of quantitative structure-property and -activity relationships. J. Chem. Inf. Comput. Sci. 41, 679-685.

(1701) (With D.B. Tatham & U. Maran) Theoretical descriptors for the correlation of aquatic toxicity of environmental pollutants by quantitative structure-toxicity relationships. J. Chem. Inf. Comput. Sci. 41, 1162-1176.

(1702) (With R. Petrukhin, R. Jain & M. Karelson) QSPR analysis of flash points. J. Chem. Inf. Comput. Sci. 41, 1521-1530.

(1703) (With Y.J. Xu, H.Y. He & P.J. Steel) Stereoselective syntheses of 1H-imidazo[2,1-a]isoindole-2,5(3H,9bH)-diones. J. Chem. Soc. Perkin Trans. 1 2001, 1767-1770.

(1704) (With V.Y. Vvedensky & D.O. Tymoshenko) Preparation and synthetic utility of 3-(benzotriazol-1-ylmethyl)areno- and -hetareno[b]thiophenes. J. Chem. Soc. Perkin Trans. 1 2001, 2483-2486.

(1705) (With I. Ghiviriga, K. Chen, D.O. Tymoshenko & A.A.A. Abdel-Fattah) Stereochemical aspects of novel 5,6-dihydro-4H-1,3-oxazines. J. Chem. Soc. Perkin Trans. 2 2001, 530-537.

(1706) (With A. Pastor, M. Voronkov & D. Tymoshenko) Polymer-supported triazole and benzotriazole leaving groups. Three new examples and a comparison of their efficiency. J. Comb. Chem. 3, 167-170.

(1707) (With S. Mehta & H.Y. He) Syntheses of pyrrolo- and indoloisoquinolinones by intramolecular cyclizations of 1-(2-arylethyl)-5-benzotriazolylpyrrolidin-2-ones and 3-benzotriazolyl-2-(2-arylethyl)-1-isoindolinones. J. Org. Chem. 66, 148-152.

(1708) (With T.B. Huang & M.V. Voronkov) From amides to amidines: Preparations of imidoylbenzotriazoles and arylaminoheterocycles. J. Org. Chem. 66, 1043-1045.

(1709) (With X.J. Wang & A. Denisenko) A facile synthesis of 3-substituted-2-aminothiophenes and 1,3-disubstituted-2-methylthiopyrroles. J. Org. Chem. 66, 2850-2853.

(1710) (With B. Rogovoy, C. Klein, H. Insuasty, V.Y. Vvedensky & B. Insuasty) N-functionalized benzotriazole-1-carboximidoyl chlorides: Synthetic equivalents for isocyanide dichlorides. J. Org. Chem. 66, 2854-2857.

(1711) (With Z.S. Luo, Y.F. Fang & P.J. Steel) N-Boc-N-(Benzotriazol-1-ylmethyl)benzylamine as a 1,1-dipole equivalent in stereoselective synthesis of 4,5-disubstituted imidazolidin-2-ones. J. Org. Chem. 66, 2858-2861.

(1712) (With G.F. Qiu) Efficient syntheses of 1-amido-3-aryl- and 1-amido-3-alkylimidazo[1,5-a]pyridines. J. Org. Chem. 66, 2862-2864.

(1713) (With M.A.C. Button & S. Busont) Synthesis of novel α-amino-N-substituted thioacetimidates. J. Org. Chem. 66, 2865-2868.

(1714) (With S. Perumal & R. Petrukhin) A QSRR treatment of solvent effects on the decarboxylation of 6-nitrobenzisoxazole-3-carboxylates employing molecular descriptors. J. Org. Chem. 66, 4036-4040.

(1715) (With A. Donkor & Y.F. Fang) Preparation of heterocycle-masked β-enamino acids. J. Org. Chem. 66, 4041-4044.

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(1716) (With D.O. Tymoshenko & G.N. Nikonov) Novel nucleophilic 5-substitution route to 1,2,3-thiadiazoles. J. Org. Chem. 66, 4045-4046.

(1717) (With R. Maimait, S.N. Denisenko, P.J. Steel & N.G. Ahkmedov) Conversions by dimethyldioxirane of 1-alkylbenzotriazoles into their N-oxides and of 2-alkylbenzotriazoles into 2-alkyl-trans-4,5,6,7-diepoxy-4,5,6,7-tetrahydrobenzotriazoles. J. Org. Chem. 66, 5585-5589.

(1718) (With Y.J. Xu, H.Y. He & S. Mehta) Syntheses of 1,4-benzothiazepines and 1,4-benzoxazepines via cyclizations of 1-[2-arylthio(oxy)ethyl]-5-benzotriazolyl-2-pyrrolidinones and 3-benzotriazolyl-2-[2-arylthio(oxy)ethyl]-1-isoindolinones. J. Org. Chem. 66, 5590-5594.

(1719) (With M.A.C. Button) Efficient syntheses of thiochromans via cationic cycloadditions. J. Org. Chem. 66, 5595-5600.

(1720) (With T.B. Huang & P.J. Steel) Dibenzo[b,h][1,4,7]thiadiazonines: Examples of a novel ring system. J. Org. Chem. 66, 5601-5605.

(1721) (With S.M. Zhang, A.H.M. Hussein, Y.F. Fang & P.J. Steel) One-carbon homologation of carboxylic acids via BtCH2TMS: A safe alternative to the Arndt-Eistert reaction. J. Org. Chem. 66, 5606-5612.

(1722) (With Y. Ji, Y.F. Fang & I. Prakash) Novel syntheses of 2,3-disubstituted benzofurans. J. Org. Chem. 66, 5613-5615.

(1723) (With M.Y. Wang, S.M. Zhang, M.V. Voronkov & P.J. Steel) Regioselective synthesis of polysubstituted pyrazoles and isoxazoles. J. Org. Chem. 66, 6787-6791.

(1724) (With H.H. Odens, S.M. Zhang, C.J. Rostek & O.W. Maender) Novel syntheses of 2,3-dihydro-1,5-benzothiazepin-4(5H)-ones and 2H-1,4-benzothiazin-3(4H)-ones. J. Org. Chem. 66, 6792-6796.

(1725) (With B.V. Rogovoy, V.Y. Vvedensky, N. Hebert & B. Forood) Synthesis of substituted 4(6)-amino-1,3,5-triazine-2-ones and-1,3,5-triazin-2-thiones. J. Org. Chem. 66, 6797-6799.

(1726) (With S.M. Zhang, T. Kurz, M.Y. Wang & P.J. Steel) Regiospecific synthesis of 4-(2-oxoalkyl)pyridines. Org. Lett. 3, 2807-2809.

(1727) (With H.H. Odens, M.V. Voronkov, C.J. Rostek & O.W. Maender) Rubber chemicals derived from conjugate addition. I. Syntheses of novel 2-thio-5-amino substituted benzoquinones. Rubber Chem. Tech. 74, 915-925.

(1728) (With H.H. Odens, M.V. Voronkov, C.J. Rostek & O.W. Maender) Rubber chemicals derived from conjugate addition. II. Synthesis of a novel class of benzoquinone diimines. Rubber Chem. Tech. 74, 927-945.

(1729) (With R. Jain, R. Petrukhin, S. Denisenko & T. Schelenz) QSAR correlations of the algistatic activity of 5-amino-1-aryl-1H-tetrazoles. SAR QSAR Environ. Res. 12, 259-266.

(1730) (With D. Toader) The preparation of mono-, 1,1-di-,trans-1,2-di-, and trisubstituted ethylenes by benzotriazole methodology. Synlett 2001, 458-466.

(1731) (With B.V. Rogovoy, V.Y. Vvedensky, K. Kovalenko, P.J. Steel, V.I. Markov & B. Forood) Synthesis of N,N-disubstituted 3-amino-1,2,4-triazoles. Synthesis 2001, 897-903.

(1732) (With F. Larmat, J. Soloducho & J.R. Reynolds) Electronic structure and charge transport mechanism in poly[1,4-bis(pyrrol-2-yl)phenylene]. Synth. Met. 124, 329-336.

(1733) (With P.J. Steel & S.N. Denisenko) X-Ray crystallographic evidence for a vinylogous anomeric effect in benzotriazole-substituted heterocycles. Tetrahedron 57, 3309-3314.

(1734) (With H.Y. He, R. Jiang & Q.H. Long) 2-substituted-1,2,3,4-tetrahydroisoquinolines and chiral 3-carboxyl analogues from N-benzotriazolylmethyl-N-phenethylamines. Tetrahedron Asym. 12, 2427-2434.

(1735) (With T.B. Huang & P.J. Steel) 1,2,4-Triazolo[1,2-a]benzotriazoles: first examples of a novel ring system. Tetrahedron Lett. 42, 9109-9111.

(1736) (With J.P. Boyle & D.C. Hager) Ion exchange treatment of extraction solvent to remove acid contaminants. U.S. Patent 91US6217771 B1 (2 pp).

(1737) 2002 (With Z.Q. Wang, Y. Ji & Y.F. Fang) Regiocontrol in the α,α-dialkylation of ketones. Arkivoc 2002 , (iii) 46-54.

(1738) (With B. Lučić, I. Bašić, D. Nadramija, A. Milicević, N. Trinajstić, T. Suzuki, R. Petrukhin & M. Karelson) Correlation of liquid viscosity with molecular structure for organic compounds using different variable selection methods. Arkivoc 2002, (iv) 45-59.

(1739) (With Y.M. Zhang & H.Y. He) Chiral hexahydropyrrolo[2,1-b][1,3]thiazoles. Arkivoc 2002, (v) 161-170.

(1740) (With V. Vvedensky, X.H. Cai, B. Rogovoy & P.J. Steel) Syntheses of 5-(2-arylazenyl)-1,2,4-triazoles and 2-amino-5-aryl-1,3,4-oxadiazoles. Arkivoc 2002, (vi) 82-90.

(1741) (With Y.M. Zhang & S.K. Singh) Preparation of aryl benzyl ketones by [1,2]-Wittig rearrangement. Arkivoc 2002, (vii) 146-150.

(1742) (With M.Y. Wang, H.F. Yang, S.M. Zhang & N.G. Akhmedov) Stable chiral α-aminoacylation reagents. Arkivoc 2002, (viii) 134-142.

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(1743) (With H.F. Yang, S.M. Zhang, M.Y. Wang) An efficient conversion of carboxylic acids into Weinreb amides. Arkivoc 2002, (xi) 39-44.

(1744) (With B.V. Rogovoy & A.Y. Mitrokhin) The preparation of diarylacetylenes via diphenyl (benzotriazol-1-yl)(aryl)methylphosphonates. Arkivoc 2002, (xiii) 17-27.

(1745) (With B.V. Rogovoy, N. Kirichenko & V.Y. Vvedensky) Solid-phase preparation of amides using N-acylbenzotriazoles. Bioorg. Med. Chem. Lett. 12, 1809-1811.

(1746) (With A. Oliferenko, A. Lomaka & M. Karelson) Six-membered cyclic ureas as HIV-1 protease inhibitors: a QSAR study based on CODESSA PRO approach. Bioorg. Med. Chem. Lett. 12, 3453-3457.

(1747) (With K. Kirichenko, Y. Ji & I. Prakash) Novel syntheses of 2,3-disubstituted benzothiophenes. Chem. Heterocycl. Comp. 38, 156-164; Khim Geterotsikl. Soed. 2002, 177-184.

(1748) (With R. Petrukhin, S. Perumal, M. Karelson, I. Prakash & N. Desai) A QSPR study of sweetness potency using the CODESSA program. Croat. Chem. Acta 75, 475-502.

(1749) (With D.C. Fara, R.O. Petrukhin, D. B. Tatham, U. Maran, A. Lomaka & M. Karelson) The present utility and future potential for medicinal chemistry of QSAR/QSPR with whole molecule descriptors. Curr. Topics Med. Chem. 2, 1333-1356.

(1750) (With G.N. Nikonov, D.O. Tymoshenko, E.L. Moyano & P.J. Steel) Benzo-1,4-oxathiins and benzo-1,4-dithiins from 4,5-disubstituted 1,2,3-thiadiazoles. Heterocycles 57, 483-489.

(1751) (With X.H. Cai, V.Y. Vvedensky, B.V. Rogovoy, B. Forood & N. Hebert) N-Arylation by aryl isocyanates as a general reaction: A useful route to disubstituted S,N-diarylisothioureas. Heterocycles 57, 1799-1806.

(1752) (With G.N. Nikonov, D.O. Tymoshenko & P.J. Steel) 4H-[1,2,3]thiadiazolo[3,4-a]benz-imidazoliumides. Heterocycles 58, 311-316.

(1753) Hydrazine and Its Derivatives: Preparation, Properties, Applications, 2nd ed. Vols 1 and 2, by E.W. Schmidt. Wiley-Interscience (book review) J. Am. Chem. Soc. 124, 6504..

(1754) (With A. Lomaka, R. Petrukhin, R. Jain, M. Karelson, A.E. Visser & R.D. Rogers) QSPR correlation of the melting point for pyridinium bromides, potential ionic liquids. J. Chem. Inf. Comput. Sci. 42, 71-74.

(1755) (With R. Jain, A. Lomaka, R. Petrukhin, M. Karelson, A.E. Visser & R.D. Rogers) Correlation of the melting points of potential ionic liquids (imidazolium bromides and benzimidazolium bromides) using the CODESSA program. (For corrigendum see paper 1891.) J. Chem. Inf. Comput. Sci. 42, 225-231.

(1756) (With A. Lomaka, R. Petrukhin, M. Karelson, W.L. Fitch & M. McGregor) Prediction of ultraviolet spectral absorbance using quantitative structure-property relationships. J. Chem. Inf. Comput. Sci. 42, 830-840.

(1757) (With R. Petrukhin, D. Tatham & S. Denisenko) The chemical inventory system of the Center for Heterocyclic Compounds, University of Florida. J. Chem. Inf. Comput. Sci. 42, 1281-1282.

(1758) (With Y.J. Xu & H.Y. He) Convenient syntheses of 2,3,4,5-tetrahydro-1,4-benzothiazepines,-1,4-benzoxazepines and-1,4-benzodiazepines. J. Chem. Soc. Perkin Trans. 1 2002, 592-598.

(1759) (With N.G. Akhmedov, I. Ghiviriga & P.J. Steel) 1H and 13C NMR study of tetrahydro-1,4-benzothiazepine conformations. J. Chem. Soc. Perkin Trans. 2 2002,1816-1822.

(1760) (With N.G. Akhmedov, I. Ghiviriga & R. Maimait) Conformational NMR study of N-substituted-1,3,4,5-tetrahydro-1H-2-benzazepines. J. Chem. Soc. Perkin Trans. 2 2002, 1986-1993.

(1761) (With C. Chassaing, S.J. Barrow, Z.H. Zhang, V.Y. Vvedensky & B. Forood) Solid-phase synthesis of 4,6-disubstituted and 3,4,6-trisubstituted pyrid-2-ones. J. Comb. Chem. 4, 249-250.

(1762) (With V.Y. Vvedensky, B.V. Rogovoy, K. Kovalenko & B. Forood) Solid-phase synthesis of N,N-disubstituted S,N'-diarylisothioureas: Facile exchange reactions of isocyanates. J. Comb. Chem. 4, 285-289.

(1763) (With B.V. Rogovoy, V.Y. Vvedensky, K. Kovalenko & B. Forood) Versatile solid-phase synthesis of S-arylisothioureas. J. Comb. Chem. 4, 290-294.

(1764) (With S.M. Zhang, M.Y. Wang, H. Kolb & P.J. Steel) Novel syntheses of polysubstituted pyrroles and oxazoles by 1,3-dipolar cycloaddition reactions of benzotriazole-stabilized nitrile ylides. J. Heterocycl. Chem. 39, 759-765.

(1765) (With M.K. Cyranski, T.M. Krygowski & P.v.R. Schleyer) To what extent can aromaticity be defined uniquely? J. Org. Chem. 67, 1333-1338.

(1766) (With O.V. Denisko) 1,2-vs 1,4-addition of acylbenzotriazoles to α,β-unsaturated aldehydes and ketones. A novel route to 3-alkyl-4,6-diaryl-3,4-dihydropyran-2-ones. J. Org. Chem. 67, 3104-3108.

(1767) (With K. Suzuki & H.Y. He) Convenient syntheses of unsymmetrical imidazolidines. J. Org. Chem. 67, 3109-3114.

(1768) (With S.K. Singh & H.Y. He) Novel syntheses of hexahydropyrimidines and tetrahydroquinazolines. J. Org. Chem. 67, 3115-3117.

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(1769) (With T.B. Huang, O.V. Denisko & P.J. Steel) A novel rearrangement to 1,2,4-triazolo[1,5-a]quinoxalines. J. Org. Chem. 67, 3118-3119.

(1770) (With H.Y. He & J. Wang) Syntheses of optically active tetrahydro-1H-pyrrolo[1,2-a]imidazol-2-ones and hexahydroimidazo[1,2-a]pyridin-2(3H)-ones. J. Org. Chem. 67, 4951-4956.

(1771) (With K. Kirichenko, A.M. Elsayed, Y. Ji, Y.F. Fang & P.J. Steel) Convenient preparation of tert-butyl β-(protected amino)esters. J. Org. Chem. 67, 4957-4959.

(1772) (With A.V. Vakulenko, Y.J. Xu & P.J. Steel) Synthesis of 3,4-Dihydro-2H-1,3,5-thiadiazines. J. Org. Chem. 67, 4960-4962.

(1773) (With A.A.A. Abdel-Fattah & M.Y. Wang) A novel access to disubstituted acetylenes. J. Org. Chem. 67, 7526-7529.

(1774) (With S.K. Nair & A. Silina) Easy access to N,N-bis(but-3-enyl)-, N-allyl-N-(but-3-enyl)-, and N-(but-3-ynyl)-N-(but-3-enyl)-amines. J. Org. Chem. 67, 7530-7532.

(1775) (With R. Jain, Y.J. Xu & P.J. Steel) Novel routes to 1,2,3,4-tetrahydropyrrolo[1,2-a]pyrazines and 5,6,9,10,11,11a-hexahydro-8H-pyrido[1,2-a]pyrrolo[2,1-c]pyrazines. J. Org. Chem. 67, 8220-8223.

(1776) (With K. Suzuki & H.Y. He) Novel syntheses of enantiopure hexahydroimidazo[1,5-b]isoquinolines and tetrahydroimidazo[1,5-b]isoquinolin-1(5H)-ones via iminium cation cyclizations. J. Org. Chem. 67, 8224-8229.

(1777) (With R. Maimait, Y.J. Xu & Y.S. Gyoung) Synthesis of N-cycloalkenylazoles. J. Org. Chem. 67, 8230-8233.

(1778) (With Y.J. Xu & R. Jain) A novel dilithiation approach to 3,4-dihydro-2H-1,3-benzothiazines, 3,4-dihydro-2H-1,3-benzoxazines, and 2,3,4,5-tetrahydro-1,3-benzothiazepines. J. Org. Chem. 67, 8234-8236.

(1779) (With S.K. Nair, V. Rodriguez-Garcia & Y.J. Xu) One-pot synthesis of 2,4-benzodiazepin-1-ones using benzotriazole methodology. J. Org. Chem. 67, 8237-8238.

(1780) (With Y.M. Zhang & S.K. Singh) Novel syntheses of α-morpholinoamides from α,α-dichloroacetamides. J. Org. Chem. 67, 8239-8242.

(1781) (With S.K. Singh) Synthesis of C-carbamoyl-1,2,3-triazoles by microwave-induced 1,3-dipolar cycloaddition of organic azides to acetylenic amides. J. Org. Chem. 67, 9077-9079.

(1782) (With N.G. Akhmedov, S. N. Denisenko & O.V. Denisko) 1H NMR spectroscopic characterization of solutions of Sepia melanin, Sepia melanin free acid and human hair melanin. Pigment Cell Res. 15, 93-97.

(1783) (With S.K. Nair & G.F. Qiu) A facile and expedient route to allyl and propargyl amines using N-(α-benzotriazolylalkyl)amines as stabilized iminium salts. Synthesis 2002, 199-202.

(1784) (With R. Maimait, Y.J. Xu & R. Akhmedova) A new synthesis of 2-benzazepines. Synthesis 2002, 601-604.

(1785) (With S.K. Singh & H.Y. He) Synthesis of N-substituted thiazolidines and dihydrobenzothiazoles. Synthesis 2002, 1646-1648.

(1786) (With H.Y. He & A.K. Verma) Stereoselective syntheses of chiral (3S,9bS)-1,2,3,9b-tetrahydro-5H-imidazo[2,1-a]isoindol-5-ones. Tetrahedron Asym. 13, 933-938.

(1787) (With H.Y. He & R. Jiang) Convenient syntheses of dihydropyrrolo[2′,1′:3,4]pyrazino- and dihydropyrrolo[2′,1′:3,4][1,4]diazepino[2,1-a]isoindolones. Tetrahedron Lett. 43, 2831-2833.

(1788) (With Z.Q. Wang, C.D. Hall, Y. Ji & N. Akhmedov) A novel cyclization to isoxazolo[3,4-e]-[2,1]benzisoxazole. Tetrahedron Lett. 43, 3449-3451.

(1789) (With O. Denisko) The magic of benzotriazole – text of lecture before the Karachi Institute of Chemistry (11 pp).

(1790) (With D.O. Tymoshenko & M. Qi) Lithiation in benzotriazole methodology - a summary of work involving lithiation in BT chemistry.(9 pp). FMCLithium.

(1791) (With R.W. Glenn, E. Block, M.D. Shair & M.D. Butts) Topical compositions comprising protected functional thiols. 2002 U.S. Patent.

(1792) (With B. Forood, B.T. Flatt & C. Chassaing) 2-Aminopyridine derivatives and combinatorial libraries thereof. 2002 U.S. Patent.

(1793) (With M. Qi & R. N. Hebert) Triazole compounds and combinatorial libraries thereof. 2002 U.S. Patent.

(1794) Application of diverse multiple activities in synthetic methodology. Am. Chem. Soc. Abstracts of Papers 224, U168.

(1795) 2003 How chemical structure determines physical, chemical and biological properties. Ann. Univ. of West, Timişoara 2003, 1205-1214.

(1796) (With Z.Q. Wang, C.D. Hall & N.G. Akhmedov) The preparation of 5-substituted and 4,5-disubstituted 2,1-benzisoxazoles. Arkivoc 2003, (ii) 49-58.

(1797) (With S.K. Nair, R.M. Witek & S.M. Hutchins) Synthesis of 3,3-diarylpyrrolidines from diaryl ketones. Arkivoc 2003, (v) 9-18.

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(1798) (With K. Kirichenko, Y. Ji, P.J. Steel & M. Karelson) Syntheses of 3-hydroxymethyl-2,3-dihydrobenzofurans and 3-hydroxymethylbenzofurans. Arkivoc 2003, (vi) 49-61.

(1799) (With G.N. Nikonov, E.L. Moyano, N.G. Akhmedov & P.J. Steel) New reactions of 4,5-disubstituted 1,2,3-thiadiazoles in the presence of NaH. Arkivoc 2003, (vii) 121-138.

(1800) (With N. Kirichenko & B.V. Rogovoy) Synthesis of mono and N,N-disubstituted ureas. Arkivoc 2003, (viii) 8-14.

(1801) (With R. Jain, R. Akhmedova & Y.J. Xu) Synthesis of 2,3,4,5-tetrahydro-1H-pyrrolo[1,2-a]-[1,4]diazepines and 11-methyl-2,3,4,5-tetrahydro-1H-[1,4]diazepino[1,2-a]indoles. Arkivoc 2003, (ix) 4-13.

(1802) (With S. Majumder & R. Jain) Microwave assisted N-chlorination of secondary amides. Arkivoc 2003, (xii) 74-79.

(1803) (With S.K. Singh) Microwave-assisted heterocyclic synthesis. Arkivoc 2003, (xiii) 68-86. (1804) (With A.V. Vakulenko, R. Jain) The preparation of N-acylbenzotriazoles from aldehydes. Arkivoc

2003, (xiv) 131-139. (1805) (With Y.M. Zhang, S.K. Singh & P.J. Steel) 1,3-Dipolar cycloadditions of organic azides to ester or

benzotriazolylcarbonyl activated acetylenic amides. Arkivoc 2003, (xv) 47-64. (1806) (With B.V. Rogovoy) Preparation of N-substituted sulfoximines by benzotriazole methodology.

Arkivoc 2003, (xv) 115-123. (1807) (With B.V. Rogovoy) Benzotriazole: an ideal synthetic auxiliary. Chem. Eur. J. 9, 4586-4593. (1808 (With Y.M. Zhang & S.K. Singh) 1,2,3-Triazole formation under mild conditions via 1,3-dipolar

cycloaddition of acetylenes with azides. Heterocycles 60, 1225-1239. (1809) Advances in Quantitative Structure-Property Relationships,Volume 3. (Eds M. and B.I. Charton)

Book review: J. Am. Chem. Soc. 125, 8067. (1810) (With A.A. Oliferenko, P.V. Oliferenko, R. Petrukhin, D.B. Tatham, U. Maran, A. Lomaka & W.E.

Acree) A general treatment of solubility. 1. The QSPR correlation of solvation free energies of single solutes in series of solvents. J. Chem. Inf. Comput. Sci. 43, 1794-1805.

(1811) (With A.A. Oliferenko, P.V. Oliferenko & R. Petrukhin) A general treatment of solubility. 2. QSPR prediction of free energies of solvation of specified solutes in ranges of solvents. J. Chem. Inf. Comput. Sci. 43, 1806-1814.

(1812) (With X.H. Cai & B.V. Rogovoy) Solid phase synthesis and application of trisubstituted thioureas. J. Comb. Chem. 5, 392-399.

(1813) (With S. Majumder & R. Jain) Microwave induced halodecarboxylation of α,β-unsaturated carboxylic acids. J. Indian Chem. Soc. 80, 1073-1075.

(1814) (With K. Manju & P.J. Steel) Lithiation of 1-chloromethylbenzotriazole: Generation and elaboration of benzotriazolyloxiranes. J. Org. Chem. 68, 407-411.

(1815) (With A.A.A. Abdel-Fattah & M.Y. Wang) Efficient conversion of sulfones into β-keto sulfones by N-acylbenzotriazoles. J. Org. Chem. 68, 1443-1446.

(1816) (With A.A.A. Abdel-Fattah & M.Y. Wang) Expedient acylations of primary and secondary alkyl cyanides to (α-substituted β-ketonitriles. J. Org. Chem. 68, 4932-4934.

(1817) (With Y.J. Xu & H.B. Tu) Regiospecific synthesis of 3-substituted imidazo[1,2-a]pyridines, imidazo[1,2-a]pyrimidines, and imidazo[1,2-c]pyrimidine. J. Org. Chem. 68, 4935-4937.

(1818) (With A.K. Verma, H.Y. He & R. Chandra) Novel synthesis of 1,2,3,4-tetrahydropyrazino[1,2-a]indoles. J. Org. Chem. 68, 4938-4940.

(1819) (With B.V. Rogovoy & K.V. Kovalenko) A general route to 5-aminotetrazoles. J. Org. Chem. 68, 4941-4943.

(1820) (With S. Bobrov, K. Kirichenko, Y. Ji & P.J. Steel) Syntheses of examples of the 5,6-dihydro-4H-[1,2,3]triazolo[4,5,1-ij]quinoline, 4,5,6,7-tetrahydro[1,2,3]triazolo[4,5,1-jk][1,4]benzodiazepine, and 5,6,7,8-tetrahydro-4H-[1,2,3]triazolo[4,5,1-kl][1]benzazocine ring systems. J. Org. Chem. 68, 5713-5719.

(1821) (With K. Suzuki, S.K. Singh & H.Y. He) Regiospecific C-acylation of pyrroles and indoles using N-acylbenzotriazoles. J. Org. Chem. 68, 5720-5723.

(1822) (With S.K. Nair, T. Khokhlova & N.G. Akhmedov) Efficient synthesis of enynecarbamates and their ring-closing metathesis/[4+2] Diels-Alder cycloaddition: Synthesis of hexahydroisoquinolines. J. Org. Chem. 68, 5724-5727.

(1823) (With S. Ledoux & S.K. Nair) Benzannulation of 3-substituted pyrroles to indoles. J. Org. Chem. 68, 5728-5730.

(1824) (With N. Kirichenko, B.V. Rogovoy & H.Y. He) Facile N-derivatization of α-amino esters and amides via benzotriazolylmethyl derivatives. J. Org. Chem. 68, 9088-9092.

(1825) (With Z.Q. Wang, C.D. Hall, N.G. Akhmedov, A.A. Shestopalov & P.J. Steel) Cyclization of α-oxo-oximes to 2-substituted benzoxazoles. J. Org. Chem. 68, 9093-9099.

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(1826) (With Y.J. Xu & A.V. Vakulenko) Model compounds of caged capsaicin: Design, synthesis, and photoreactivity. J. Org. Chem. 68, 9100-9104.

(1827) (With M.Y. Wang, C.R. Wilkerson & H.F. Yang) A novel approach to substituted 2H-azirines. J. Org. Chem. 68, 9105-9108.

(1828) (With N.G. Akhmedov, I. Ghiviriga, O.V. Denisko & P.J. Steel) H-1 and C-13 NMR conformational study of 2-(benzotriazol-1-yl)-substituted tetrahydrofurans. J. Phys. Org. Chem. 16, 158-165.

(1829) (With P.V. Oliferenko, A.A. Oliferenko, A. Lomaka & M. Karelson) Nitrobenzene toxicity: QSAR correlations and mechanistic interpretations. J. Phys. Org. Chem. 16, 811-817.

(1830) (With N.G. Akhmedov & O.V. Denisko) H-1 and C-13 NMR spectroscopic study of oxidation of D,L-cystine and 3,3'-dithiobis(propionic acid) with hydrogen peroxide in aqueous solution. Magn. Reson. Chem. 41, 37-41.

(1831) (With B.B. Adhyaru, N.G. Akhmedov & C.R. Bowers) Solid-state cross-polarization magic angle spinning C-13 and N-15 NMR characterization of Sepia melanin, Sepia melanin free acid and human hair melanin in comparison with several model compounds. Magn. Reson. Chem. 41, 466-474.

(1832) (With N.G. Akhmedov, Z.Q. Wang, V.A. Roznyatovsky, A.A. Shestopalov & C.D. Hall) Structure elucidation of [1,3]oxazolo[4,5-e][2,1]benzisoxazole and naphtho[1,2-d][1,3]- and phenanthro[9,10-d]oxazoles using gradient selected gHMBC, gHMQC and gHMQC-TOCSY NMR techniques. Magn. Reson. Chem. 41, 908-920.

(1833) (With N. Kirichenko & B.V. Rogovoy) Efficient conversions of carboxylic acids into O-alkyl, N-alkyl and O,N-dialkylhydroxamic acids. Synthesis 2003, 2777-2780.

(1834) (With Y.M. Zhang & S.K. Singh) Efficient conversion of carboxylic acids into N-acylbenzotriazoles. Synthesis 2003, 2795-2798.

(1835) (With O.W. Maender, C.J. Rostek, H.H. Odens & M.V. Voronkov) Alkylthio- and aryl(heteroyl)thio-substituted p-phenylenediamines, their manufacture and their use in rubber. 2003 U.S. Patent.

(1836) Sauerkraut salad, in "What's cooking in chemistry?" (H.P. Bell, ed.), Wiley 2003. (1837) 2004 (With K. Suzuki & S.K. Singh) N-Acylation in combinatorial chemistry. Arkivoc 2004, (i) 12-35. (1838) (With D. Hür, K. Kirichenko, Y. Ji & P.J. Steel) Synthesis of 2,4-disubstituted furans and 4,6-diaryl-

substituted 2,3-benzo-1,3a,6a-triazapentalenes. Arkivoc 2004, (ii) 109-121. (1839) (With K. Kirichenko, P.P. Mohapatra & I. Prakash) The synthesis of α-benzotriazolyl ketones from

acid halides. Arkivoc 2004, (iii) 22-28. (1840) (With K. Kirichenko, D. Hür, X.M. Zhao, Y. Ji & P.J. Steel) Synthesis of 2,3-dihydrobenzofuran-2-

ones and 2,3-dihydrobenzothiophen-2- and 3-ones by rearrangements of 3-hydroxy analogs. Arkivoc 2004, (vi) 27-44.

(1841) (With J.W. Rogers, R.M Witek & S.K. Nair) Novel syntheses of pyrido[1,2-a]pyrimidin-2-ones, 2H-quinolizin-2-ones, pyrido[1,2-a]quinolin-3-ones, and thiazolo[3,2-a]pyrimidin-7-ones. Arkivoc 2004, (viii) 52-60.

(1842) (With R. Jiang, G.L. Sommen & S.K. Singh) One-carbon homologation of aryl and alkyl aldehydes to amides using BtCH2P

+Ph3 Cl-. Arkivoc 2004, (ix) 44-51. (1843) (With S.K. Nair, S. Ledoux, R.M. Witek, N.G. Akhmedov, P.A. Gordon & M.M. Wu) Preparation of

2,4-dimethyldecane, 5-n-propylnonane, 2-methyl-5-ethylnonane, and 3- and 4-ethyldecanes. Arkivoc 2004, (x) 39-45.

(1844) (With E.L. Moyano, G. Yranzo & S.K. Singh) Flash vacuum thermolysis of 1,2,3-thiadiazoles. Arkivoc 2004, (xi) 61-70.

(1845) (With S. Hoffmann & K. Suzuki) N-Acylation of sulfonamides using N-acylbenzotriazoles. Arkivoc 2004, (xii) 14-22.

(1846) (With D.C. Fara & M. Karelson) QSPR of 3-aryloxazolidin-2-one antibacterials. Bioorg. Med. Chem. 12, 3027-3035.

(1847) (With M. Kuanar, D.C. Fara, M. Karelson & W.E. Acree) QSPR treatment of rat blood : air, saline : air and olive oil: air partition coefficients using theoretical molecular descriptors. Bioorg. Med. Chem. 12, 4735-4748.

(1848) Heterocycles. Introduction to Chem. Rev. 104,issue no. 5 (1 p) (1849) (With D.C. Fara, H.F. Yang, K. Tämm, T. Tämm & M. Karelson) Quantitative measures of solvent

polarity. Chem. Rev. 104, 175-198. (1850) (With A.T. Balaban & D.C. Oniciu) Aromaticity as a cornerstone of heterocyclic chemistry. Chem.

Rev. 104, 2777-2812. (1851) (With K. Suzuki & S.K. Singh) C-Acylation of 2-methylfuran and thiophene using N-acyl-

benzotriazoles. Croat. Chem. Acta 77, 175-178. (1852) (With R. Jiang & S.K. Singh) Synthesis and reactions of N-ethynyl-heterocycles. Heterocycles 63,

1455-1475.

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(1853) (With K. Tämm, M. Kuanar, D.C. Fara, A. Oliferenko, P. Oliferenko, J.G. Huddleston & R.D. Rogers) Aqueous biphasic systems. Partitioning of organic molecules: A QSPR treatment. J. Chem. Inf. Comput. Sci. 44, 136-142.

(1854) (With D.C. Fara, H.F. Yang, M. Karelson, T. Suzuki, V.P. Solov’ev & A. Varnek) Quantitative structure-property relationship modeling of β-cyclodextrin complexation free energies. J. Chem. Inf. Comput. Sci. 44, 529-541.

(1855) (With A.A. Oliferenko, P.V. Oliferenko, J.G. Huddleston, R.D. Rogers, V.A. Palyulin & N.S. Zefirov) Theoretical scales of hydrogen bond acidity and basicity for application in QSAR/QSPR studies and drug design. Partitioning of aliphatic compounds. J. Chem. Inf. Comput. Sci. 44, 1042-1055.

(1856) (With A. Varnek, D. Fourches, V.P. Solov’ev, V.E. Baulin, A.N. Turanov, V.K. Karandashev & D.C. Fara) "In silico" design of new uranyl extractants based on phosphoryl-containing podands: QSPR studies, generation and screening of virtual combinatorial library, and experimental tests. J. Chem. Inf. Comput. Sci. 44, 1365-1382.

(1857) (With S. Bobrov, K. Kirichenko & Y. Ji) General and efficient insertion of carbons carrying benzotriazole. J. Org. Chem. 69, 303-308.

(1858) (With B.V. Rogovoy, X.H. Cai, N. Kirichenko & K.V. Kovalenko) Efficient synthesis of polysubstituted acylguanidines and guanylureas. J. Org. Chem. 69, 309-313.

(1859) (With C.M. Cai, K. Suzuki & S.K. Singh) Facile syntheses of oxazolines and thiazolines with N-acylbenzotriazoles under microwave irradiation. J. Org. Chem. 69, 811-814.

(1860) (With V. Rodriguez-Garcia & S.K. Nair) A general and efficient synthesis of sulfonylbenzotriazoles from N-chlorobenzotriazole and sulfinic acid salts. J. Org. Chem. 69, 1849-1852.

(1861) (With S. Ledoux, R.M. Witek & S.K Nair) 1-(Alkyl/arylthiocarbamoyl)benzotriazoles as stable isothiocyanate equivalents: Synthesis of di- and trisubstituted thioureas. J. Org. Chem. 69, 2976-2982.

(1862) (With S. Bobrov, N. Khashab & K. Kirichenko) Benzotriazolyl-mediated 1,2-shifts of electron-rich heterocycles. J. Org. Chem. 69, 4269-4271.

(1863) (With A.E. Hayden, K. Kirichenko, P. Pelphrey & Y. Ji) A novel route to imidoylbenzotriazoles and their application for the synthesis of enaminones. J. Org. Chem. 69, 5108-5111.

(1864) (With K. Manju, A.V. Gromova & P.J. Steel) β-Acylvinyl anion and dianion equivalents: Lithiation of 1-[(2EZ)-3-chloroprop-2-enyl]-1H-1,2,3-benzotriazole: Preparation and elaboration of 1-(2-oxiranylvinyl)-1H-benzotriazoles. J. Org. Chem. 69, 6018-6023.

(1865) (With Z. Wang, M. Wang, C.R. Wilkerson, C.D. Hall & N.G. Akhmedov) Preparation of β-keto esters and β-diketones by C-acylation/deacetylation of acetoacetic esters and acetonyl ketones with 1-acylbenzotriazoles. J. Org. Chem. 69, 6617-6622.

(1866) (With S.K. Singh & S. Bobrov) Novel synthesis of bicycles with fused pyrrole, indole, oxazole, and imidazole rings. J. Org. Chem. 69, 9313-9315.

(1867) (With K. Tämm, D.C. Fara, P. Burk & M. Karelson) A quantitative structure-property relationship study of lithium cation basicities. J. Phys. Chem. A 108, 4812-4818.

(1868) (With N.G. Akhmedov, A.A.A. Abdel-Fattah, M.Y. Wang, C.J. Rostek & O.W. Maender) Elucidation of the structures of 3-alkylthio-, 3-benzylthio-, 2-arylthio- and 2-heteroarylthio-N1-(1,3-dimethylbutyl)-N4-phenyl-1,4-phenylenediamines by one- and two-dimensional NMR spectroscopy. Magn. Reson. Chem.42, 424-435.

(1869) (With N.G. Akhmedov, M.Y. Wang, C.J. Rostek & P.J. Steel) Spectral assignments and reference data: Structural assignment of regioisomeric 3-[2-or 5-anilino-2-(alkylamino)phenyl]propanoic acids, 2H-1,4-benzothiazin-3(4H)-ones and 2,3-dihydro-1,5-benzothiazepin-4(5H)-ones by 1D NOE and gHMBC NMR techniques. Magn. Reson. Chem. 42, 648-658.

(1870) (With N.G. Akhmedov, M. Wang, C.J. Rostek & P.J. Steel) Synthesis and NMR spectroscopic studies of allylsulfanyl-N1-alkyl-N4-phenyl-1,4-phenylenediamines and their cyclization products, 2,3-dihydro-1-benzothiophenes and thiochromans. Magn. Reson. Chem. 42, 999-1011.

(1871) (With N.K. Meher, C.M. Cai & S.K. Singh) Preparation of N-acylbenzotriazole derivatives of dicarboxylic acids. Rev. Soc. Quim. Mex. 48, 275-278.

(1872) (With N. Kirichenko, B.V. Rogovoy, J. Kister & H. Tao) Synthesis of mono- and N,N-disubstituted thioureas and N-acylthioureas. Synthesis 2004, 1799-1805.

(1873) (With A.A. Shestopalov & K. Suzuki) A new convenient preparation of thiol esters utilizing N-acylbenzotriazoles. Synthesis 2004, 1806-1813.

(1874) (With K. Suzuki & S.K. Singh) Highly diastereoselective peptide chain extensions of unprotected amino acids with N-(Z)-(α-aminoacyl)benzotriazoles. Synthesis 2004, 2645-2652.

(1875) (With K.W. Law, N. Jurban, Z. Tokarski, R. Jain & A. Vakulenko) Electrophotographic organophotoreceptors with novel charge transport compounds. 2004 U.S. Patent; see paper 2023.

(1876) (With D.C. Fara) Understanding how chemical structure determines physical, chemical, biological and technological properties. Am. Chem. Soc. Abstracts of Papers 227, U231.

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(1877) 2005 (With E.F.V. Scriven, S. Majumder, R.G. Akhmedova, N.G. Akhmedov & A.V. Vakulenko) Direct nitration of five-membered heterocycles. Arkivoc 2005, (iii) 179-191.

(1878) (With B.V. Rogovoy) Recent developments in guanylating agents. Arkivoc 2005, (iv) 49-87. (1879) (With A.S. Vincek & K. Suzuki) Microwave-assisted synthesis of peptidyl phosphorus ylides.

Arkivoc 2005, (v) 116-126. (1880) (With A.A.A. Abdel-Fattah & R.G. Akhmedova) A convenient access to 1-substituted-2-azinyl-1-

ethanones via acylation of alkylated azines with N-acylbenzotriazoles. Arkivoc 2005, (vi) 329-338. (1881) (With A.A. Shestopalov & K. Suzuki) A convenient synthesis of chiral 1,2,4-oxadiazoles from N-

protected (α-aminoacyl)benzotriazoles. Arkivoc 2005, (vii) 36-55. (1882) (With S. Singh, P.P. Mohapatra, N. Clemens & K. Kirichenko) Synthesis of functionalised

dithiocarbamates via N-(1-benzotriazolylalkyl)dithiocarbamates. Arkivoc 2005, (ix) 63-79. (1883) (With S. Bobrov) The homologation of carbonyl compounds by single carbon insertion reactions.

Arkivoc 2005, (x) 174-188. (1884) (With D.A. Dobchev, E. Hür, D.C. Fara & M. Karelson) QSAR treatment of drugs transfer into

human breast milk. Bioorg. Med. Chem. 13, 1623-1632. (1885) (With M. Kuanar, D.C. Fara, M. Karelson, W.E. Acree, V.P. Solov’ev & A. Varnek) QSAR modeling

of blood:air and tissue:air partition coefficients using theoretical descriptors. Bioorg. Med. Chem. 13, 6450-6463.

(1886) (With D.A. Dobchev, D.C. Fara & M. Karelson) QSAR studies on 1-phenylbenzimidazoles as inhibitors of the platelet-derived growth factor. Bioorg. Med. Chem. 13, 6598-6608.

(1887) (With S. Singh, K. Kirichenko, J.D. Holbrey, M. Smiglak, W.M. Reichert & R.D. Rogers) 1-Butyl-3-methylimidazolium 3,5-dinitro-1,2,4-triazolate: a novel ionic liquid containing a rigid, planar energetic anion. Chem. Commun. 2005, 868-870.

(1888) (With G.L. Sommen, A.V. Gromova, R.M. Witek, P.J. Steel & R. Damavarapu) Synthetic routes towards tetrazolium and triazolium dinitromethylides. Chem. Heterocycl. Comp. 41, 111-118; Khim. Geterotsikl. Soed. 2005, 127-134.

(1889) (With D.C. Fara) How chemical structure determines physical, chemical, and technological properties: An overview illustrating the potential of quantitative structure-property relationships for fuels science. Energy Fuels 19, 922-935.

(1890) (With N. Khashab & S. Bobrov) The preparation of 1,2,3-trisubstituted guanidines. Helv. Chim. Acta 88, 1664-1675.

(1891) (With R. Jain, A. Lomaka, R. Petrukhin, M. Karelson, A.E. Visser & R.D. Rogers) Correlation of the melting points of potential ionic liquids (imidazolium bromides and benzimidazolium bromides) using the CODESSA program [J. Chem. Inf. Comput. Sci. 42, 225-231 (2002)]. (Corrigendum re paper 1755). J. Chem. Inf. Model. 45, 533-534.

(1892) (With I. Tulp, D.C. Fara, A. Lauria, U. Maran & W.E. Acree) A general treatment of solubility. 3. Principal component analysis (PCA) of the solubilities of diverse solutes in diverse solvents. J. Chem. Inf. Model. 45, 913-923.

(1893) (With H.F. Yang & S.K. Singh) Preparation of tertiary alkyl carbinamines, propargylamines, and α-heteroarylamines by ketone-based aminoalkylation. J. Org. Chem. 70, 286-290.

(1894) (With D. Zhang & K. Kirichenko) Synthesis of heteroaryl 1,2-diketones. J. Org. Chem. 70, 3271-3274.

(1895) (With Z.Q. Wang, M.Y. Wang, C.D. Hall & K. Suzuki) Facile syntheses of 2,2-dimethyl-6-(2-oxoalkyl)-1,3-dioxin-4-ones and the corresponding 6-substituted 4-hydroxy-2-pyrones. J. Org. Chem. 70, 4854-4856.

(1896) (With R. Jiang & K. Suzuki) N-Tfa- and N-Fmoc-(α-Aminoacyl)benzotriazoles as chiral C-acylating reagents under Friedel-Crafts reaction conditions. J. Org. Chem. 70, 4993-5000.

(1897) (With N.K. Meher & S. Singh) γ,δ-Unsaturated β-diketones by acylation of ketones. J. Org. Chem. 70, 7792-7794.

(1898) (With R.M. Witek, V. Rodriguez-Garcia, P.P. Mohapatra, J.W. Rogers, J. Cusido, A.A.A. Abdel-Fattah & P.J. Steel) Benzotriazole-assisted thioacylation. J. Org. Chem. 70, 7866-7881.

(1899) (With A.A.A. Abdel-Fattah, A.V. Gromova, R.M. Witek & P.J. Steel). α-Nitroketone synthesis using N-acylbenzotriazoles. J. Org. Chem. 70, 9211-9214.

(1900) (With A.A.A. Abdel-Fattah, A.V. Vakulenko & H. Tao) N-Sulfonylbenzotriazoles as advantageous reagents for C-sulfonylation. J. Org. Chem. 70, 9191-9197.

(1901) (With D.C. Fara, M. Kuanar, E. Hür & M. Karelson) The classification of solvents by combining classical QSPR methodology with principal component analysis. J. Phys. Chem. A 109, 10323-10341.

(1902) (With P.P. Mohapatra, S. Singh, N. Clemens & K. Kirichenko) Synthesis of α-aminoamides via α-aminoimidoyl benzotriazoles. J. Serbian Chem. Soc. 70, 319-327.

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(1903) (With C.D. Akhmedov, E.M. Myshakin, A.K. Verma & C.D. Hall) Low-temperature 1H and 13C NMR spectra of N-substituted 1,2,3,4-tetrahydropyrazino[1,2-a]indoles. Magn. Reson. Chem. 43, 351-358.

(1904) (With C.D. Akhmedov, H.F. Yang & C.D. Hall) Spectral assignments and reference data: 1H and 13C NMR spectra of N-substituted morpholines. Magn. Reson. Chem. 43, 673-675.

(1905) (With E.F.V. Scriven, S. Majumder, R.G. Akhmedova, A.V. Vakulenko, C.D. Akhmedov, R. Murugan & K.A. Abboud) Preparation of nitropyridines by nitration of pyridines with nitric acid. Org. Biomol. Chem. 3, 538-541.

(1906) (With K. Suzuki & Z.Q. Wang) Acylbenzotriazoles as advantageous N-, C-, S-, and O-acylating agents. Synlett 2005, 1656-1665.

(1907) (With P. Angrish, D. Hür & K. Suzuki) N-(Cbz- and Fmoc-α-Aminoacyl)benzotriazoles: Stable derivatives enabling peptide coupling of Tyr, Trp, Cys, Met, and Gln with free amino acids in aqueous media with complete retention of chirality. Synthesis 2005, 397-402.

(1908) (With E.F.V. Scriven, S. Majumder, H.B. Tu, A.V. Vakulenko, C.D. Akhmedov & R. Murugan) Preparation of cyanopyridines by direct cyanation. Synthesis 2005, 993-997.

(1909) (With K. Manju, S.K. Singh & N.K. Meher) Benzotriazole mediated amino-, amido-, alkoxy- and alkylthio-alkylation. Tetrahedron 61, 2555-2581.

(1910) (With S. Bobrov, H. Tao & K. Kirichenko) Generation and reactivity of polyanions derived from 1-[1-(benzotriazol-1-yl)alkyl]-1H-benzotriazoles. Tetrahedron 61, 3305-3309.

(1911) 2006 (With B. Stanovnik, M. Tišler & O.V. Denisko) The tautomerism of heterocycles: Substituent tautomerism of six-membered ring heterocycles. Adv. Heterocycl. Chem. 91, 1-134.

(1912) (With N.M. Khashab & A.V. Gromova) Preparations of diversely substituted thiosemicarbazides and N-hydroxythioureas. Arkivoc 2006, (iii) 226-236.

(1913) (With K. Kirichenko) Acyl anion synthons: benzotriazole-stabilized compared to classical. Arkivoc 2006, (iv) 119-151.

(1914) (With S.K. Singh, N.K. Meher, J. Doskocz, K. Suzuki, R. Jiang, G.L. Sommen, D.A. Ciaramitaro & P.J. Steel) Triazole-oligomers by 1,3-dipolar cycloaddition. Arkivoc 2006, (v) 43-62.

(1915) (With C.D. Hall & E.F.V. Scriven) A new initiative in scientific publishing: Arkivoc: a hard copy journal of organic chemistry freely electronically accessible to authors, librarians, and readers. Arkivoc 2006, (vii) 390-394.

(1916) (With O.V. Kulshyn, I. Stoyanova-Slavova, D.A. Dobchev, M. Kuanar, D.C. Fara & M. Karelson) Antimalarial activity: A QSAR modeling using CODESSA PRO software. Bioorg. Med. Chem. 14, 2333-2357.

(1917) (With M. Kuanar, S. Slavov, D.A. Dobchev, D.C. Fara, M. Karelson, W.E. Acree, V.P. Solovev & A. Varnek) Correlation of blood-brain penetration using structural descriptors. Bioorg. Med. Chem. 14, 4888-4917.

(1918) (With L.M. Păcureanu, D.A. Dobchev, D.C. Fara, P.R. Duchowicz & M. Karelson) QSAR modeling of the inhibition of Glycogen Synthase Kinase-3. Bioorg. Med. Chem. 14, 4987-5002.

(1919) (With M. Kuanar, D.A. Dobchev, B.W.A. Vanhoecke, M. Karelson, V.S. Parmar, C.V. Stevens & M.E. Bracke) QSAR modeling of anti-invasive activity of organic compounds using structural descriptors. Bioorg. Med. Chem. 14, 6933-6939.

(1920) (With L.M. Păcureanu, S. Slavov, D.A. Dobchev & M. Karelson) QSAR study of antiplatelet agents. Bioorg. Med. Chem. 14, 7490-7500.

(1921) (With D.A. Dobchev, I. Tulpa, M. Karelson & D.A. Carlson) QSAR study of mosquito repellents using CODESSA Pro. Bioorg. Med. Chem. Lett. 16, 2306-2311.

(1922) (With E. Todadze, J. Cusido, P. Angrish & A.A. Shestopalov) Selective peptide chain extension at the N-terminus of aspartic and glutamic acids utilizing 1-(N-protected-α-aminoacyl)benzotriazoles. Chem. Biol. Drug Des. 68, 37-41.

(1923) (With E. Todadze, A.A. Shestopalov, J. Cusido & Angrish) Selective peptide chain extension at the C-terminus of aspartic and glutamic acids utilizing N-protected (α-aminoacyl)benzotriazoles. Chem. Biol. Drug Des. 68, 42-47.

(1924) (With G. Meher & P. Angrish) Peptides by extension at the N- or C-terminii of lysine. Chem. Biol. Drug Des. 68, 326-333.

(1925) (With M. Smiglak, W.M. Reichert, J.D. Holbrey, J.S. Wilkes, L.Y. Sun, J.S. Thrasher, K. Kirichenko, S. Singh & R.D. Rogers) Combustible ionic liquids by design: is laboratory safety another ionic liquid myth? Chem. Commun., 2006, 2554-2556.

(1926) (With S. Singh, K. Kirichenko, M. Smiglak, J.D. Holbrey, W.M. Reichert, S.K. Spear & R.D. Rogers) In search of ionic liquids incorporating azolate anions. Chem. Eur. J. 12, 4630-4641.

(1927) (With C.M. Cai, M.D. Collins, E.F.V. Scriven, S.K. Singh & E.K. Barnhardt) Incorporation of microwave synthesis into the undergraduate organic laboratory. J. Chem. Educ. 83, 634-636.

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(1928) (With D.A. Dobchev, D.C. Fara, E. Hur, K. Tämm, L. Kurunczi, M. Karelson, A. Varnek & V.P. Solovev) Skin permeation rate as a function of chemical structure. J. Med. Chem. 49, 3305-3314.

(1929) (With N.G. Akhmedov, A. Guven, E.F.V. Scriven, S. Majumder, R.G. Akhmedova & C.D. Hall) One-bond and long-range coupling constants of substituted 2-cyanopyridines. GIAO/DFT calculations of proton and carbon chemical shifts and coupling constants. J. Mol. Struct. 783, 191-203.

(1930) (With N.G. Akhmedov, A. Güven, J. Doskocz, R.G. Akhmedova, S. Majumder & C.D. Hall) gNMR simulated H-1 and proton-coupled C-13 NMR spectra of substituted 3-nitropyridines. GIAO/DFT calculated values of proton and carbon chemical shifts and coupling constants. J. Mol. Struct. 787, 131-147.

(1931) (With M. Karelson, D.A. Dobchev & O.V. Kulshyn) Neural networks convergence using physicochemical data. J. Chem. Inf. Model. 46, 1891-1897.

(1932) (With S.K. Singh, C.M. Cai & S. Bobrov) Direct synthesis of esters and amides from unprotected hydroxyaromatic and -aliphatic carboxylic acids. J. Org. Chem. 2006, 71, 3364-3374.

(1933) (With C.M. Cai & S.K. Singh) Efficient microwave access to polysubstituted amidines from imidoylbenzotriazoles. J. Org. Chem. 71, 3375-3380.

(1934) (With N.M. Khashab, S. Bobrov & M. Yoshioka) Synthesis of mono- and symmetrical di-N-hydroxy- and N-aminoguanidines. J. Org. Chem. 71, 6753-6758.

(1935) (With N.M. Khashab, N. Kirichenko & A. Singh) Microwave-assisted preparations of amidrazones and amidoximes. J. Org. Chem. 71, 9051-9056.

(1936) (With K.N.B. Le, L. Khelashvili & P.P. Mohapatra) Alkyl, unsaturated, (hetero)aryl, and N-protected α-amino ketones by acylation of organometallic reagents. J. Org. Chem. 71, 9861-9864.

(1937) (With H.F. Yang, D.Z. Zhang, K. Kirichenko, M. Smiglak, J.D. Holbrey, W.M. Reichert & R.D. Rogers) Strategies toward the design of energetic ionic liquids: nitro- and nitrile-substituted N,N'-dialkylimidazolium salts. New J. Chem. 30, 349-358.

(1938) (With E.F.V. Scriven, S. Majumder, R.G. Akhmedova, A.V. Vakulenko, N.G. Akhmedov, R. Murugan & K.A. Abboud) Preparation of nitropyridines by nitration of pyridines with nitric acid. Org. Biomol. Chem. 3, 538-541.

(1939) (With P. Angrish) Efficient microwave-assisted access to chiral O-(α-protected-aminoacyl)steroids. Steroids 71, 660-669.

(1940) (With P. Angrish & K. Suzuki) The efficient preparation of di- and tripeptides by coupling N-(Cbz- or Fmoc-α-aminoacyl)benzotriazoles with unprotected amino acids. Synthesis 2006, 411-424.

(1941) (With S.R. Tala & S.K. Singh) One-carbon homologation of aldehydes to N-(α-haloacyl)-benzotriazoles. Synthesis 2006, 3231-3237.

(1942) (With K.R. İdzik, A.A.A. Abdel-Fattah, J. Soloducho & P.J. Steel) Aminoalkylations of esters, sulfones, sulfoxides, alkylated pyridines, and nitriles with in situ generated iminium ions. Synthesis 2006, 3377-3388.

(1943) (With P. Angrish) Convenient and efficient preparation of N-protected (α-aminoacyl)oxy-substituted terpenes and alkanes. Synthesis 2006, 4135-4142.

(1944) (With S.K. Singh & R. Jiang) A convenient synthesis of functionalized N-(ethynyl)benzotriazoles. Tetrahedron 62, 3794-3797.

(1945) (With A.A.A. Abdel-Fattah & P.J. Steel) Aminoalkylation of nitriles by iminium ions generated in situ. Tetrahedron Lett. 47, 1465-1467.

(1946) (With Z.Q. Wang, M. Tsikolia, C.D. Hall & M. Carman) Benzotriazole is thermally more stable than 1,2,3-triazole. Tetrahedron Lett. 47, 7653-7654.

(1947) (With D.A. Dobchev & M. Karelson) Physical, chemical, and technological property correlation with chemical structure: The potential of QSPR. Z. Naturforsch. B, 61, 373-384.

(1948) (With M. Siskin, K.M. Kirichenko, A.R. Bishop & C.N. Elia) Synthesis of sterically hindered secondary aminoether alcohols from acid anhydride and/or acid halide and sulfur trioxide. 2006 U.S. Patent. (22 pp)

(1949) (With M. Siskin & K.M. Kirichenko) Synthesis of sterically hindered secondary aminoether alcohols.2006 U.S. Patent. (24 pp)

(1950) (With M. Siskin, K.M. Kirichenko, A.R. Bishop & C.N. Elia) Synthesis of sterically hindered secondary aminoether alcohols. 2006 U.S. Patent. (30 pp)

(1951) (With M. Siskin, K.M. Kirichenko, A.R. Bishop & C.N. Elia) Synthesis of sterically hindered secondary aminoether alcohols from a ketene and/or carboxylic acid halide and/or carboxylic acid anhydride. 2006 U.S. Patent. (26 pp)

(1952) (With M. Smiglak, W.M. Reichert, S.T. Griffin, J.D. Holbrey, R.D. Rogers, K. Kirichenko & D. Zhang) Ionic liquids via reaction of the zwitterion 1,3-dimethylimidazolium-2-carboxylate with protic acids. Am. Chem. Soc. Abstracts of Papers, 231.

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(1953) (With N.M. Khashab) Preparation of N, N', N''-trisubstituted guanidines. Am. Chem. Soc. Abstracts of Papers 232.

(1954) 2007 (With A.V. Vakulenko, R. Akue-Gedu, A.V. Gromova, R. Witek & J.W. Rogers) Regiospecific preparation of 1,4,5-trisubstituted pyrazoles from 2-(1H-1,2,3-benzotriazol-1-yl)-3-(4-aryl)-2-propenals. Arkivoc 2007, (i) 9-21.

(1955) (With R. Akue-Gedu & A.V. Vakulenko) C-Cyanation with 1-cyanobenzotriazole. Arkivoc 2007, (iii) 5-12.

(1956) (With N.M. Khashab & A. Singh) C-Imidoylation of esters, sulfones, sulfoxides, amides and nitro compounds. Arkivoc 2007, (v) 263-276.

(1957) (With S.K. Singh, R. Akhmedova, C.M. Cai & S. Bobrov) Efficient synthesis of 1,3-benzodioxin-4-one and benzoxazine-2,4-diones. Arkivoc 2007, (vi) 6-13.

(1958) (With H. Tao & K. Kirichenko) Microwave mediated syntheses of β-enamino thioic acid derivatives. Arkivoc 2007, (x) 142-151.

(1959) (With A.A.A. Abdel-Fattah & I. Celik) Benzotriazole-mediated amidoalkylations of nitroalkanes, nitriles, alkynes and esters. Arkivoc 2007, (xi) 96-113.

(1960) (With P. Angrish & T. Narindoshvili) Chiral O-(Z-α-aminoacyl) sugars: Convenient building blocks for glycopeptide libraries. Bioconjug. Chem. 18, 994-998; Corrigendum, 18, 2202-2203.

(1961) (With P. Angrish, E. Todadze & I. Ghiviriga) Expedient synthesis of N-Z-pyroglutamyl amino acid derivatives. Bioorg. Med. Chem. Lett. 17, 6000-6002.

(1962) (With N.M. Khashab, M. Yoshioka, D.N. Haase, K.R. Wilson, J.V. Jonson, A. Chung & C. Haskell-Luevano) Microwave-assisted solid-phase peptide synthesis utilizing N-Fmoc-protected (α-aminoacyl)benzotriazoles. Chem. Biol.Drug Des. 70, 465-468.

(1963) (With S.H. Slavov, D.A. Dobchev & M. Karelson) Rapid QSPR model development technique for prediction of vapor pressure of organic compounds. Comput. Chem. Eng. 31, 1123-1130.

(1964) (With M. Smiglak, J.D. Holbrey, S.T. Griffin, W.M. Reichert, R.P. Swatloski, H.F. Yang, D.Z. Zhang, K. Kirichenko & R.D. Rogers) Ionic liquids via reaction of the zwitterionic 1,3-dimethylimidazolium-2-carboxylate with protic acids. Overcoming synthetic limitations and establishing new halide free protocols for the formation of ILs. Green Chem. 9, 90-98.

(1965) (With L. Pacureanu, D.A. Dobchev & M. Karelson) QSPR study of critical micelle concentration of anionic surfactants using computational molecular descriptors. J. Chem. Inf. Model. 47, 782-793.

(1966) (With S.H. Slavov, D.A. Dobchev & M. Karelson) QSPR modeling of UV absorption intensities. J. Comput. Aided Mol. Des. 21, 371-377.

(1967) (With J.W. Rogers, R. M. Witek, A.V. Vakulenko, P.P. Mohapatra, P.J. Steel & R. Damavarapu) Synthesis and characterization of blowing agents and hypergolics. J. Energetic Mater. 25, 79-109.

(1968) (With I.B. Stoyanova-Slavova, D.A. Dobchev & M. Karelson) QSPR modeling of flash points: An update. J. Mol. Graphics Model. 26, 529-536.

(1969) (With L. Pacureanu, D. Dobchev & M. Karelson) QSPR modeling of hyperpolarizabilities. J. Mol. Model. 13, 951-963.

(1970) (With H. Tao, R. Jiang, K. Suzuki & K. Kirichenko) Novel syntheses of chiral β- and γ-amino acid derivatives utilizing N-protected (aminoacyl)benzotriazoles from aspartic and glutamic acids. J. Org. Chem. 72, 407-414.

(1971) (With P.P. Mohapatra, D. Fedoseyenko, M. Duncton & P.J. Steel) 1-Benzotriazol-1-yl-3,3,3-trifluoro-2-methoxy-2-phenylpropan-1-ones: Mosher-BT reagents. J. Org. Chem. 72, 4268-4271.

(1972) (With E. Todadze, P. Angrish & B. Draghici) Efficient peptide coupling involving sterically hindered amino acids. J. Org. Chem. 72, 5794-5801.

(1973) (With K. Widyan & K. Kirichenko) Preparation of polyfunctional acyl azides. J. Org. Chem. 72, 5802-5804.

(1974) (With L. Khelashvili, K. N. B. Le, P.P. Mohapatra & P.J. Steel) Synthesis of o-sulfamido-triazobenzenes [(o-sulfamidophenyl)triazenes] from 1,1'-sulfonylbis(benzotriazole). J. Org. Chem. 72, 5805-5808.

(1975) (With N.M. Khashab, D.N. Haase, M. Yoshioka, I. Ghiviriga, & P.J. Steel) C-aminoimidoylation and C-thiocarbamoylation of esters, sulfones, and ketones. J. Org. Chem. 72, 6742-6748.

(1976) (With N.G. Akhmedov, J. Doskocz, C.D. Hall, R. G. Akhmedova & S. Majumder) Structural elucidation of nitro-substituted five-membered aromatic heterocycles utilizing GIAO DFT calculations. Magn. Reson. Chem. 45, 5-23.

(1977) (With N.G. Akhmedov, J. Doskocz, P.P. Mohapatra, C.D. Hall & A. Güven) NMR spectra, GIAO and charge density calculations of five-membered aromatic heterocycles. Magn. Reson. Chem. 45, 532-543.

(1978) (With S.H. Slavov, D.A. Dobchev & M. Karelson) Comparison between 2D and 3D-QSAR approaches to correlate inhibitor activity for a series of indole amide hydroxamic acids. Qsar Combin. Sci. 26, 333-345.

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(1979) (With C.M. Cai & N.K. Meher) Efficient synthesis of 1,5-disubstituted tetrazoles. Synthesis 2007, 1204-1208.

(1980) (With I. Celik & A.A.A. Abdel-Fattah) Thioamidoalkylation of 1,3-dicarbonyl compounds, enol silyl ethers, and enamines. Synthesis 2007, 1655-1662.

(1981) (With K N.B. Le & P.P. Mohapatra) Synthesis of aliphatic hydroxyaryl ketones or (hetero)aryl hydroxyaryl ketones by acylation of organometallic reagents. Synthesis 2007, 3141-3146.

(1982) (With L. Khelashvili, P. P. Mohapatra & P. J. Steel) Efficient N-aroylation of substituted indoles with N-aroylbenzotriazoles. Synthesis 2007, 3673-3677.

(1983) (With A.A.A. Abdel-Fattah, K.R. Idzik, B.El-D.M. El-Gendy & J. Soloducho) Benzotriazole-mediated alkoxyalkylation and acyloxyalkylation. Tetrahedron 63, 6477-6484.

(1984) 2007 (With M.S. Kim & K. Widyan) The Baylis-Hillman reaction of substituted aminomethyl-benzotriazoles. Arkivoc 2008, (iii) 91-101.

(1985) (With N.M. Khashab & E. Todadze) Imidoylation reactions at carbon. Arkivoc 2008, (iv) 16-25. (1986) (With P.P. Mohapatra & L.C. Huang) 1,3,4-Oxadiazoles from functionalized N-acylbenzotriazoles

and acyl hydrazides. Arkivoc 2008, (ix) 62-68. (1987) (With Z.Q. Wang & C.D. Hall) Synthesis of achiral and chiral N-protected γ-amino-β-ketones and β-

ketoesters. Arkivoc 2008, (x) 26-36. (1988) (With J. Cusido & T. Narindoshvili) Monosaccharide-based water-soluble fluorescent tags.

Bioconjug. Chem. 19, 1471-1475. (1989) (With S.H. Slavov, D.A. Dobchev & M. Karelson) QSAR modeling of the antifungal activity against

Candida albicans for a diverse set of organic compounds. Bioorg. Med. Chem. 16, 7055-7069. (1990) (With M. Yoshioka, T. Narindoshvili, A.Chung & N.M. Khashab) N-Fmoc-protected (α-

dipeptidoyl)benzotriazoles for efficient solid-phase peptide synthesis by segment condensation. Chem. Biol. Drug Des. 72, 182-188.

(1991) Chemical safety: An unexpected explosion. Chem. Eng. News 86, 4-5. (1992) (With S. Rachwal) 1,2,3-Triazoles, in Comprehensive Heterocyclic Chemistry III 5, 1-158. Elsevier,

2008. (1993) (With O.V. Denisko) Organohalogen compounds. in Encyclopedia Britannica. (24 pp) (1994) (With D.A. Dobchev, I.B. Stoyanova-Slavova, M. Kuanar, M.M. Bespalov, M. Karelson & M.

Saarma) Novel computational models for predicting dopamine interactions. Exp. Neurol. 211, 150-171.

(1995) (With D.A. Dobchev, S.H. Slavov & M. Karelson) Legitimate utilization of large descriptor pools for QSPR/QSAR models. J. Chem. Inf. Model. 48, 2207-2213.

(1996) (With A.S. Vincek & P.J. Steel) Triphenylphosphoranylidene substituted heterocycles as versatile intermediates. Heterocycles 76, 1401-1423.

(1997) (With L.M. Pǎcureanu, S.H. Slavov, D.A. Dobchev & M. Karelson) QSPR study of critical micelle concentrations of nonionic surfactants. Ind. Eng. Chem. Res. 47, 9687-9695.

(1998) (With M. Kuanar, I.B. Stoyanova-Slavova, S.H. Slavov, D.A. Dobchev, M. Karelson & W.E. Acree) Quantitative structure-property relationship studies on Ostwald solubility and partition coefficients of organic solutes in ionic liquids. J. Chem. Eng. Data 2008, 53, 1085-1092.

(1999) (With T. Narindoshvili, B. Draghici & P. Angrish) Regioselective syntheses of β-N-linked glycoaminoacids and glycopeptides. J. Org. Chem. 73, 511-516.

(2000) (With B.El-D.M. El-Gendy, E. Todadze & A.A.A. Abdel-Fattah) (α-Aminoacyl)amino-substituted heterocycles and related compounds. J. Org. Chem. 73, 5442-5445.

(2001) (With G. Meher & T. Narindoshvili) Efficient synthesis of peptides by extension at the N- and C-termini of arginine. J. Org. Chem. 73, 7153-7158.

(2002) (With L. Khelashvili & M.A. Munawar) Syntheses of IAA- and IPA-amino acid conjugates. J. Org. Chem. 73, 9171-9173.

(2003) (With N.K. Meher, S. Hanci, R. Gyanda, S.R. Tala, S. Mathai, R.S. Duran, S. Bernard, F. Sabri, S.K. Singh, J. Doskocz & D.A. Ciaramitaro) Preparation and characterization of 1,2,3-triazole-cured polymers from endcapped azides and alkynes. J. Polym. Sci. A: Polym. Chem. 46, 238-256.

(2004) (With Q.Y. Chen & S.R. Tala) Convenient preparations of azo-dye labeled amino acids and amines. Org. Biomol. Chem. 6, 2400-2404.

(2005) (With T. Narindoshvili) Chiral peptide nucleic acid monomers (PNAM) with modified backbones. Org. Biomol. Chem. 6, 3171-3176.

(2006) (With M. Yoshioka, T. Narindoshvili, A. Chung & J.V. Johnson) Fluorescent labeling of peptides on solid phase. Org. Biomol. Chem. 6, 4582-4586.

(2007) (With Z.Q. Wang, S. Slavov, M. Tsikolia, D. Dobchev, N. G. Akhmedov, C.D. Hall, U.R. Bernier, G.G. Clark & K.J. Linthicum) Synthesis and bioassay of improved mosquito repellents predicted from chemical structure. Proc. Natl. Acad. Sci. U. S. A. 105, 7359-7364.

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(2008) (With A.V. Vakulenko, J. Sivapackiam, B. Draghici & R. Damavarapu) Dinitro-furans, -thiophenes, and -azoles. Synthesis 2008, 699-706.

(2009) (With D. Fedoseyenko, P.P. Mohapatra & P.J. Steel) Reactions of p-benzoquinone with sulfur nucleophiles. (Corrigendum: see paper 2124.) Synthesis 2008, 777-787.

(2010) (With K. Widyan & K. Gyanda) Synthesis of sulfonyl azides. Synthesis 2008, 1201-1204. (2011) (With T. Narindoshvili & P. Angrish) Chiral N-(coumarin-3-ylcarbonyl)-α-amino acids: Fluorescent

markers for amino acids and dipeptides. Synthesis 2008, 2013-2022. (2012) (With M.D. Butts, S.A. Nye, C.M. Byrne & J.W. Merkert) Silicone compositions for personal care

products and method for making. U.S. Patent US 6,841,164 B2 (7 pp). (2013) (With K.W. Law, N. Jubran, Z. Tokarski, R. Jain & R. Maimat) Electrophotographic organo-

photoreceptors with novel charge transport compounds. US Patent US 7,358,014. (2014) (With M.Siskin, K.M. Kirichenko, A. R. Bishop & C. N. Elia) Synthesis of sterically hindered

secondary aminoether alcohols from acid anhydride and/or acid halide and sulfur trioxide. U.S. Patent US 7,351,865 B2 (7 pp)

(2015) 2009 (With S. Hanci & N.K. Meher) Preparation of N-(α,β-unsaturated acyl)sulfonamides. Arkivoc 2009, (iv) 115-124.

(2016) (With A. Singh, D.N. Haase & M. Yoshioka) N-(Fmoc-α-Aminoacyl)benzotriazoles: Versatile synthetic reagents from proteinogenic amino acids. Arkivoc 2009, (viii) 47-56.

(2017) (With E. Todadze) Heterocycles in the service of humankind. Arkivoc 2009, (ix) 248-268. (2018) (With L. Khelashvili, J. Kovacs & K. Shanab) Dye labelling of nucleosides. Chem. Biol. Drug Des.

73, 396-402. (2019) (With Q.Y. Chen & S.R. Tala) Convenient and efficient preparations of azodye-labeled peptides.

Chem. Biol. Drug Des. 73, 611-617. (2020) (With D. Jishkariani & T. Narindoshvili) Convenient synthesis of Ibuprofen and Naproxen

aminoacyl, dipeptidoyl and ester derivatives. Chem. Biol. Drug Des. 73, 618-626. (2021) (With Y.Y. Ren, S.H. Slavov & M. Karelson) Comparative QSAR study of SVM and PPR in the

correlation of lithium cation basicities. Collect. Czech. Chem. Commun. 74, 217-241. (2022) (With G. Meher & T. Narindoshvili) Convenient one-pot synthesis of 5-(substituted amino)-1,2,3,4-

thiatriazoles. Collect. Czech. Chem. Commun. 74, 1061-1068. (2023) (With L.M. Pǎcureanu, S.H. Slavov, D.A. Dobchev, D.O. Shah & M. Karelson) QSPR study of the

first and second critical micelle concentrations of cationic surfactants. Comput. Chem. Eng. 33, 321-332.

(2024) (With R. Gyanda, N.K. Meher & Y.M. Song) Preparation and synthetic applications of N-(α,β-unsaturated acyl)-α-amino acid derivatives. Heterocycles 77, 1249-1259.

(2025) (With P.V. Oliferenko, A.A. Oliferenko, G. Poda, V.A. Palyulin & N.S. Zefirov) New developments in hydrogen bonding acidity and basicity of small organic molecules for the prediction of physical and ADMET properties. Part 2. The universal solvation equation. J. Chem. Inf. Model. 49, 634-646.

(2026) (With S.R. Tala, H. Lu, A.V. Vakulenko, Q.Y. Chen, J. Sivapackiam, K. Pandya, S. Jiang & A.K. Debnath) Design, synthesis, and structure-activity relationship of a novel series of 2-aryl-5-(4-oxo-3-phenethyl-2-thioxothiazolidinylidenemethyl)furans as HIV-1 entry inhibitors. J. Med. Chem. 52, 7631-7639.

(2027) (With D.N. Haase, J.V. Johnson & A. Chung) Benzotriazole-assisted solid-phase assembly of Leu-enkephalin, amyloid β-segment 34-42, and other "difficult" peptide sequences. J. Org. Chem. 74, 2028-2032.

(2028) (With R. Sakhuja, L. Khelashvili & K. Shanab) Gelation behavior of 2H-chromene N-acylamino acid conjugates. J. Org. Chem. 74, 3062-3065.

(2029) (With S.R. Tala, N.E. Abo-Dya, K. Gyanda, B.E.M. El-Gendy, Z.K. Abdel-Samii & P.J. Steel) The selective synthesis and structural elucidation of S-acyl- and N-acylcysteines. J. Org. Chem. 74, 7165-7167.

(2030) (With I. Avan & S.R. Tala) Efficient preparation of aminoxyacyl amides, aminoxy hybrid peptides, and α-aminoxy peptides. J. Org. Chem. 74, 8690-8694.

(2031) (With Y.M. Song, R. Sakhuja, R. Gyanda, N.K. Meher, L. Wang, R.S. Duran, D.A. Ciaramitaro & C.D. Bedford) Synthesis of Boltorn-1,2,3-triazole dendrimers by click chemistry. J. Polym. Sci. A: Polym. Chem. 47, 3748-3756.

(2032) (With S.H. Slavov, I.S. Stoyanova-Slavova, I. Kahn, & M. Karelson) Quantitative structure-activity relationship (QSAR) modeling of EC50 of aquatic toxicities for Daphnia magna. J. Toxicol. Env. Health A: Curr. Issues 72, 1181-1190.

(2033) (With T. Narindoshvili) Fluorescent amino acids: Advances in protein-extrinsic fluorophores. Org. Biomol. Chem. 7, 627-634.

(2034) (With M.A. Munamar, J. Kovacs & L. Khelashvili) Synthesis of amino acid derivatives of quinolone antibiotics. Org. Biomol. Chem. 7, 2359-2362.

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(2035) (With M. Tsikolia, A.C. Hall, C. Suarez, Z.O. Nylander, S.M. Wardlaw, M.E. Gibson, K.L. Valentine, L.N. Onyewadume, D.A. Ahove, M. Woodbury, M.M. Mongare, C.D. Hall, Z. Wang & B. Draghici) Synthesis and characterization of a redox-active ion channel supporting cation flux in lipid bilayers. Org. Biomol. Chem. 7, 3862-3870.

(2036) (With I. Ghiviriga, B.E.M. El-Gendy & P.J. Steel) Tautomerism of guanidines studied by N-15 NMR: 2-hydrazono-3-phenylquinazolin-4(3H)-ones and related compounds. Org. Biomol. Chem. 7, 4110-4119.

(2037) (With N.E. Abo-Dya, S.R. Tala, K. Gyanda & Z.K. Abdel-Samii) An efficient method for the preparation of peptide alcohols.Org. Biomol. Chem. 7, 4444-4447.

(2038) (With P. Angrish & E. Todadze) Chiral acylation with N-(protected α-aminoacyl)benzotriazoles for advantageous syntheses of peptides and peptide conjugates. Synlett 2009, 2392-2411.

(2039) (With S.R. Tala, N.E. Abo Dya & Z.K. Abdel-Samii) Efficient synthesis of azo dye labeled terpenes, sugars, and steroids using N-(4-arylazobenzoyl)-1H-benzotriazoles. Synthesis 2009, 1708-1714.

(2040) (With M.S. Kim, D. Fedoseyenko, K. Widyan, M. Siskin & M. Francisco) The sulfonation of aromatic and heteroaromatic polycyclic compounds. Tetrahedron 65, 1111-1114.

(2041) (With S. Slavov, M. Radzvilovits, I. Stoyanova-Slavova & M. Karelson) Computational chemistry approaches for understanding how structure determines properties. Z. Naturforsch. B 64, 773-777.

(2042) (With M. Tsikolia, U. Bernier, S. Slavov, C.D. Hall, G.G. Clark & K.J. Linthicum) Discovery of novel mosquito repellents from structure-activity studies. Abstr. Papers, Am. Chem. Soc 238, 385.

(2043) 2010 (With S.R. Tala & A. Singh) Biguanidines, guanylureas and guanylthioureas. Arkivoc 2010, (viii), 76-96.

(2044) (With S. Ozcan & E. Todadze) Labeling of nucleosides with fluorescent 6-chloro-2,3-naphthalimide. Bio. Med. Chem. Lett. 20, 5326-5328.

(2045) (With S. Rachwal) Synthesis of heterocycles mediated by benzotriazole. 1. Monocyclic systems. Chem. Rev. 110, 1564-1610.

(2046) (With M. Kuanar, S. Slavov, C.D. Hall, M. Karelson, I. Kahn & D.A. Dobchev) Quantitive correlation of physical and chemical properties with chemical structure: utility for prediction. Chem. Rev. 110, 5714-5789.

(2047) (With M. Smiglak, C.C. Hines, T.B. Wilson, S. Singh, A.S. Vincek, K. Kirichenko & R.D. Rogers) Ionic liquids based on azolate anions. Chem. Eur. J. 16, 1572-1584.

(2048) (With S. Slavov, M. Radzvilovits, S. LeFrançois, I. Stoyanova-Slavova, F. Soti & W.R. Kem) A computational study of the binding of 3-(arylidene) anabaseines to two major brain nicotinic acetylcholine receptors and to the acetylcholine binding protein. Eur. J. Med. Chem. 45, 2433-2446.

(2049) (With A.S. Girgis, N.S.M. Ismail, H. Farag, W.I. El-Eraky, D.O. Saleh & S.R. Tala) Regioselective synthesis and molecular modeling study of vasorelaxant active 7,9-dioxa-1,2-diaza-spiro[4.5]dec-2-ene-6,10-diones. Eur. J. Med. Chem. 45, 4229-4238.

(2050) (With A.S.Girgis, S. Slavov, S.R. Tala & I. Stoyanova-Slavova) QSAR modeling, synthesis and bioassay of diverse leukemia RPMI-8226 cell line active agents. Eur. J. Med. Chem. 45, 5183-5199.

(2051) (With A. Buciumas, E. Todadze, M.A. Munawar & L. Khelashvili) Relative stabilities of 1- and 2-substituted 1,2,3-triazoles. Heterocycles 82, 479-489.

(2052) (With L. Wang, R. Gyanda, R. Sakhuja, M. Cavallaro, D.C. Jackson, N.K. Meher, D.A. Ciaramitaro, C.D. Bedford & R.S. Duran) Effect of the crosslink functionality on the mechanical properties of crosslinked 1,2,3-triazole polymers as potential binders for rocket propellants. J. Appl. Polym. Sci. 117, 473-478.

(2053) (With L. Wang, Y. Song, R. Gyanda, R. Sakhuja, N.K. Meher, S. Hanci, K. Gyanda, S. Mathai, F. Sabri, D.A. Ciaramitaro, C.D. Bedford & R.S. Duran) Preparation and mechanical properties of crosslinked 1,2,3-triazole-polymers as potential propellant binders. J. Appl. Polym. Sci. 117, 2612-2621.

(2054) (With R. Sakhuja, L. Huang, R. Gyanda, L. Wang, D.C. Jackson, D.A. Ciaramitaro, C.D. Bedford & R.S. Duran) Effect of filler loading on the mechanical properties of cross linked 1,2,3-triazole polymers. J. Appl. Polym. Sci. 118, 121-127.

(2055) (With I. Tulp, D.A. Dobchev, W. Acree & U. Maran) A general treatment of solubility. 4. Description and analysis of a PCA model for Ostwald solubility coefficients. J. Chem. Inf. Model. 50, 1275-1283.

(2056) (With C.D. Hall, B.El-D.M. El-Gendy & B. Draghici) Tautomerism in drug discovery. J. Comput. Aided Mol. Des. 24, 475-484.

(2057) (With Z. Wang, S. Slavon, D.A. Dobchev, C.D. Hall, M. Tsikolia, U.R. Bernier, N.M. Elejalde, G.G. Clark & K.J. Linthicum) Novel carboxamides as potential mosquito repellents. J. Med. Entomol. 47, 924-938.

(2058) (With K. Bajaj, M. Charpentier & E. Ghazvini-Zadeh) Amino acyl conjugates of nitrogen heterocycles as potential pharmacophores. J. Org. Chem. 75, 3938-3940.

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(2059) (With C. El-Nachef, K. Bajaj, J. Kubik & D.N. Haase) Efficient syntheses of thiadiazole peptides. J. Org. Chem. 75, 6009-6011.

(2060) (With B.El-D.M. El-Gendy, B. Draghici, C.D. Hall & P.J. Steel) NMR study of the tautomeric behavior of N-(α-aminoalkyl)tetrazoles. J. Org. Chem. 75, 6468-6476.

(2061) (With M. El Khatib, O. Bol'shakov, L. Khelashvili & P.J. Steel) Benzotriazol-1-yl-sulfonyl azide for diazotransfer and preparation of azidoacylbenzotriazoles. J. Org. Chem. 75, 6532-6539.

(2062) (With S.H. Slavov, I.B. Stoyanova-Slavova & M. Karelson) Correlation of the photolysis half-lives of polychlorinated dibenzo-p-dioxins and dibenzofurans with molecular structure. J. Phys. Chem. A 114, 2684-2688.

(2063) (With B.El-D.M. El-Gendy, B. Draghici, D. Fedoseyenko, A. Fadli & E. Metais) 1H, 13C, and 15N NMR spectra of some pyridazine derivatives. Magn. Reson. Chem. 48, 397-402.

(2064) (With I. Ghiviriga, B.El-D.M. El-Gendy, H. Martinez, D. Fedoseyenko, E. Metais & A. Fadli) Conformational equilibria and barriers to rotation in some novel nitroso derivatives of indolizines and 3-and 5-azaindolizines: an NMR and molecular modeling study. Org. Biomol. Chem. 8, 3518-3527.

(2065) (With N.E. Abo-Dya, S.R. Tala & Z.K. Abdel-Samii) The chemical ligation of selectively S-acylated cysteine peptides to form native peptides via 5-, 11-and 14-membered cyclic transition states. Org. Biomol. Chem. 8, 2316-2319.

(2066) (With S. Ozcana & E. Todadze) Synthesis and fluorescence of the new environment-sensitive fluorophore 6-chloro-2,3-naphthalimide derivative. Org. Biomol. Chem. 8, 1296-1300.

(2067) (With N.E. Abo-Dya, S.R. Tala, E.H. Ghazvini-Zadeh, K. Bajaj & S.A. El-Feky) Efficient and selective syntheses of S-acyl and N-acyl glutathiones. Synlett 2010, 1337-1340.

(2068) (With L.C. Huang & R. Sakhuja) Efficient syntheses of naphthoquinone dipeptides. Synthesis 2010, 2011-2016.

(2069) (With D. Fedoseyenko, M.S. Kim & P.J. Steel) Chiral 1,2,4-triazoles: stereoselective acylation and chlorination. Tetrahedron Asym. 21, 51-57.

(2070) (With M. Radzvilovits, S. Slavov, K. Kasemets, K. Tämm & M. Karelson) Quantitative structure-activity relationship modeling of bioconcentration factors of polychlorinated biphenyls. Toxicol. Environm. Chem. 92, 1233.

(2071) (With K. Kasemets, S. Slavov, M. Radzvilovits, K. Tämm & M. Karelson) Estimating the toxicities of organic chemicals in activated sludge process. Water Res. 44, 2451-2460.

(2072) (With S.R. Tala & I. Avan) Efficient preparation of aminoxyacyl amides, aminoxy hybrid peptides and α-aminoxy peptides. Abstr. Papers, Am. Chem. Soc. 239.

(2073) (With S.R. Tala & N.E. Abo-Dya) Chemical ligations of S-acyl isopeptides. Abstr. Papers, Am. Chem. Soc. 240.

(2074) 2011 (With S. Biswas, S.R. Tala & A. Kalatozishvili) Efficient preparation of azodye-labeled aminoxy acids and peptides. Arkivoc 2011, (iii) 212-220.

(2075) (With S. Jiang, S.R. Tala, H. Lu, P. Zou, I. Avan, T.S. Ibrahim, N.E. Abo-Dya, A. Abdelmajeid & A.K. Debnath) Design, synthesis, and biological activity of a novel series of 2,5-disubstituted furans/pyrroles as HIV-1 fusion inhibitors targeting GP41. Bioorg. Med. Chem. Lett. 21, 6895-6898.

(2076) (With C. Liu, D. Luo, B.A. Reynolds, G. Meher, B. Lu, C.J. Gerard, C.P. Bhadha & J.K. Harrison) Chemokine receptor CXCR3 promotes growth of glioma. Carcinogenesis 32, 129-137.

(2077) (With S. Rachwal) Synthesis of heterocycles mediated by benzotriazole. 2. Bicyclic systems. Chem. Rev. 111, 7063-7120.

(2078) (With F.K. Hansen, L.K. Beagle & E. Todadze) Efficient microwave-assisted synthesis of 1,2,4-triazole-based peptidomimetics using benzotriazole methodology. Heterocycles 84, 515-526.

(2079) (With S. Jiang, S.R. Tala, H. Lu, N.E. Abo-Dya, I. Avan, K. Gyanda, L. Lu & A.K. Debnath) Design, synthesis, and biological activity of novel 5-[(arylfuran/1H-pyrrol-2-yl)methylene]-2-thioxo-3-[3-(trifluoromethyl)phenyl]thiazolidin-4-ones as HIV-1 fusion inhibitors targeting gp41. J. Med. Chem. 54, 572-579.

(2080) (With S.R. Tala, N.E. Abo-Dya, T.S. Ibrahim, S.A. El-Feky, K. Gyanda & K.M. Pandya) Chemical ligation of S-acylated cysteine peptides to form native peptides via 5-, 11-, and 14-membered cyclic transition states. J. Org. Chem. 76, 85-96.

(2081) (With D. Jishkariani, R. Sakhuja, C.D. Hall & P.J. Steel) Carbene-mediated transformations of 1-(benzylideneamino)benzimidazoles. J. Org. Chem. 76, 4082-4087.

(2082) (With I. Avan, S.R. Tala & P.J. Steel) Benzotriazole-mediated syntheses of depsipeptides and oligoesters. J. Org. Chem. 76, 4884-4893.

(2083) (With I.B. Stoyanova-Slavova, K. Tämm, T. Tämm & M. Karelson) Application of the QSPR approach to the boiling points of azeotropes. J. Phys. Chem. A 115, 3475-3479.

(2084) (With M. El Khatib, L. Jauregui, L. S.R. Tala & L. Khelashvili) Solution-phase synthesis of chiral O-acyl isodipeptides. MedChemComm 2, 1087-1092.

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(2085) (With B. Draghici, F.K. Hansen, A. Buciumas, B.El-D.M. El-Gendy & E. Todadze) Efficient microwave-assisted synthesis of aminoxy acid conjugates. RSC Advances 1, 602-606.

(2086) (With N.E. Abo-Dya, A. Abdelmajeid, S.R. Tala, M.S. Amine & S.A. El-Feky) DBU-Catalyzed transprotection of N-Fmoc-cysteine di- and tri-peptides into S-Fm-cysteine di- and tri-peptides. Org. Biomol. Chem. 9, 596-599.

(2087) (With A.A. Oliferenko) Alternating chemical ligation reactivity of S-acyl peptides explained with theory and computations. Org. Biomol. Chem. 9, 4756-4759.

(2088) (With F.K. Hansen, K. Ha, E. Todadze, A. Lillicotch & A. Frey) Microwave-assisted chemical ligation of S-acyl peptides containing non-terminal cysteine residues. Org. Biomol. Chem. 9, 7162-7167.

(2089) (With T.S. Ibrahim, S.R. Tala, S.A. El-Feky & Z.K. Abdel-Samii) Benzotriazole reagents for the syntheses of Fmoc-, Boc-, and Alloc-protected amino acids. Synlett 2011, 2013-2016.

(2090) (With A. Abdelmajeid, S.R. Tala, M.S. Amine & P.J. Steel) Novel fluorescent aminoxy acids and aminoxy hybrid peptides. Synthesis 2011, 83-90.

(2091) (With T.S. Ibrahim, S.R. Tala, N.E. Abo-Dya, Z.K. Abdel-Samii & S.A. El-Feky) Synthesis of coumarin conjugates of biological thiols for fluorescent detection and estimation. Synthesis 2011, 1494-1500.

(2092) (With A. Abdelmajeid, S.R. Tala & M.S. Amine) Tri-, tetra- and penta-peptidoylbenzotriazoles: Novel synthetic intermediates. Synthesis 2011, 2995-3005.

(2093) (With M. Yoshioka-Tarver, B. El-D.M. El-Gendy & C.D. Hall) Synthesis and photochemistry of pH-sensitive GFP chromophore analogs. Tetrahedron Lett. 52, 2224-2227.

(2094) (With S.E. Siporin, D.T. Ferrughinelli, S.S. Lowenthal, R.J. Smiley & B.R. Cook) Removal of nitrogen compounds from fcc distillate USP Appl., 2011 0132 806.

(2095) (With M. El-Khatib, O. Bol’shakov, L. Khelashvili & P.J. Steel) Benzene-1-sulfonyl azide. e-EROS (2001), 2, 6532.

(2096) 2012 (With W.M. Berhanu, M.A. Ibrahim, G.G. Pillai, A.A. Oliferenko, L. Khelashvili, F. Jabeen, B. Mirza, F.L. Ansari, I. Ul-Haq & S.A. Feky) Similarity analysis, synthesis, and bioassay of antibacterial cyclic peptidomimetics. Beilstein J. Org. Chem. 8, 1146-1160.

(2097) (With B.I. Roman, T. De Ryck, L. Dierickx, B. Vanhoecke, M. Bracke & C.V. Stevens) Exploration of the SAR of anti-invasive chalcones: Synthesis and biological evaluation of conformationally restricted analogues. Bio. Med. Chem. 20, 4812-4819.

(2098) (With K. Bajaj, S.S. Panda & C. El-Nachef) Synthesis of chiral N-(protected) tri- and tetrapeptide conjugates. Chem. Biol. Drug Des. 80, 17-26.

(2099) (With T.S. Ibrahim, S.R. Tala, S.A. El-Feky & Z.K. Abdel-Samii) Cysteinoyl- and cysteine-containing dipeptidoylbenzotriazoles with free sulfhydryl groups: easy access to N-terminal and internal cysteine peptides. Chem. Biol. Drug Des. 80, 194-202.

(2100) (With S.S. Panda, C. El-Nachef, K. Bajaj, A.O. Al-Youbi & A.A. Oliferenko) Study of chemical ligation via 17-, 18- and 19-membered cyclic transition states. Chem. Biol. Drug Des. 80, 821-827.

(2101) (With J.C. Monbaliu) Recent trends in Cys- and Ser/Thr-based synthetic strategies for the elaboration of peptide constructs. Chem. Commun. 48, 11601-11622.

(2102) (With W.M. Berhanu, G.G. Pillai & A.A. Oliferenko) Quantitative structure-activity/property relationships: The ubiquitous links between cause and effect. ChemPlusChem 77, 507-517.

(2103) (With L. Huang, M. Chahar, R. Sakhuja & C.D. Hall) The chemistry of N-hydroxyamidoximes, N-aminoamidoximes, and hydrazidines. Chem. Rev. 112, 1633-1649.

(2104) (With J.C. Monbaliu, F.K. Hansen, L.K. Beagle, M.J. Panzner, P. J. Steel, E. Todadze & C.V. Stevens) A new benzotriazole-mediated stereoflexible gateway to hetero-2,5-diketopiperazines. Chem. Eur. J. 18, 2632-2638.

(2105) (With A.S. Girgis, S.R. Tala, P.V. Oliferenko & A.A. Oliferenko) Computer-assisted rational design, synthesis, and bioassay of non-steroidal anti-inflammatory agents. Eur. J. Med. Chem. 50, 1-8.

(2106) (With C. El-Nachef, K. Bajaj & J. Koblick) Microwave-assisted formation of peptide-vitamin conjugates. Eur. J. Org. Chem. 2012, 4412-4419.

(2107) (With A.A. Oliferenko, P.J. Oliferenko & J.S. Torrecilla) Boiling points of ternary azeotropic mixtures modeled with the use of the universal solvation equation and neural networks. Ind. Eng. Chem. Res. 51, 9123-9128. (See also ref. 2035.)

(2108) (With A.A. Oliferenko, F. Tian & M. Karelson) Prediction of peptide IMS cross sections from extended molecular connectivity. Int. J. Mass Spectrom. 314, 1-5.

(2109) (With K. Ha, M. Chahar, J.C. Monbaliu, E. Todadze, F.K. Hansen, A.A. Oliferenko, C.E. Ocampo, D. Leino, A. Lillicotch & C.V. Stevens) Long-range intramolecular S→N acyl migration: A study of the formation of native peptide analogues via 13-, 15-, and 16-membered cyclic transition states. J. Org. Chem. 77, 2637-2648.

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(2110) (With D. Jishkariani, C.D. Hall, A.A. Oliferenko & D. Leino) Cu(I)-Catalyzed regioselective synthesis of pyrazolo[5,1-c]-1,2,4-triazoles. J. Org. Chem. 77, 5813-5818.

(2111) (With O. Bol'shakov, J. Kovacs, M. Chahar, K. Ha & L. Khelashvili) S- to N-Acyl transfer in S-acylcysteine isopeptides via 9-, 10-, 12-, and 13-membered cyclic transition states. J. Peptide Sci. 18, 704-709.

(2112) (With E.H. Ghazvini Zadeh, B.El-D.M. El-Gendy & A.G. Pop) Synthesis of chiral α-amino acid-derived 1H-1,2,4-triazoles and 1,2,4-triazines. MedChemComm 3, 52-55.

(2113) (With M. Smiglak, C.C. Hines, W.M. Reichert, A.S. Vincek, J.S. Thrasher, L. Sun, P.D. McCrary, P.A. Beasley, S.P. Kelley & R.D. Rogers) Synthesis, limitations, and thermal properties of energetically-substituted, protonated imidazolium picrate and nitrate salts and further comparison with their methylated analogs. New J. Chem. 36, 702-722.

(2114) (With M. El Khatib, M. Elagawany, F. Jabeen, E. Todadze, O. Bol'shakov, A.A. Oliferenko, L. Khelashvili, S.A. El-Feky & A. Asiri) Traceless chemical ligations from O-acyl serine sites. Org. Biomol. Chem. 10, 4836-4838.

(2115) (With K. Ha, J. C. Monbaliu, B.C. Williams, G.G. Pillai, C.E. Ocampo, M. Zeller & C.V. Stevens) A convenient synthesis of difficult medium-sized cyclic peptides by Staudinger mediated ring-closure. Org. Biomol. Chem. 10, 8055-8058.

(2116) (With S.S. Panda, K. Bajaj, M.J. Meyers & F.M. Sverdrup) Quinine bis-conjugates with quinolone antibiotics and peptides: Synthesis and antimalarial bioassay. Org. Biomol. Chem. 10, 8985-8993.

(2117) (With M. Zhong, M. Jang, A.A. Oliferenko & G.G. Pillai) The SOA formation model combined with semiempirical quantum chemistry for predicting UV-Vis absorption of secondary organic aerosols. Phys. Chem. Chem. Phys. 14, 9058-9066.

(2118) (With D. Sikora, K. Bajaj & E. Todadze) Applications of diethylzinc in organic syntheses for pharmaceutical and biologically active compounds.Pharm. Manuf. 1, 21.

(2119) (With J.C. Monbaliu, L.K. Beagle, J. Kovacs, M. Zeller & C.V. Stevens) En route towards α-benzotriazoyl nitroso derivatives. RSC Advances 2, 8941-8945.

(2120) (With M. El Khatib, M. Elagawany, E. Todadze, L. Khelashvili & S.A. El-Feky) Microwave-assisted regiospecific synthesis of pseudohalohydrin esters. Synlett 23, 1384-1388.

(2121) (With L.K. Beagle, F. Hansen, J.C. Monbaliu, M.P. DesRosiers, A.M. Phillips & C.V. Stevens) Efficient synthesis of 2,5-diketopiperazines by Staudinger-mediated cyclization. Synlett 23, 2337-2340.

(2122) (With B. Draghici & B.El-D.M. El-Gendy) Synthesis of benzoxazines, quinazolines and 4H-benzo[e][1,3]thiazine by ANRORC rearrangements of 1,2,4-oxadiazoles. Synthesis 44, 547-550.

(2123) (With O.I. Bol'shakov & I.O. Lebedyeva) 17α-Ethynylestradiol peptide labeling by 'click' chemistry. Synthesis 44, 2926-2932.

(2124) (With D. Fedoseyenko, P.P. Mohapatra & P.J. Steel) Reactions of p-benzoquinone with sulfur nucleophiles. (Corrigendum re paper 2009) Synthesis 44, 3400.

(2125) (With M. Siskin, E. Mozeleski & W. Chen-Yu) Hindered cyclic polyamines and their salts for acid gas scrubbing process. U.S. Pat. 2012; US8152903132.

(2126) 2013 (With S.S. Panda, C.D. Hall & E.F.V. Scriven) Aminoacyl benzotriazolides: versatile reagents for the preparation of peptides and their mimetics and conjugates. Aldrichim. Acta 46, 43-58.

(2127) (With S. Biswas, I. Avan, A. Basak, N.E. Abo-Dya & A. Asiri) Photophysics of novel coumarin-labeled depsipeptides in solution: Sensing interactions with SDS micelle via TICT model. Amino Acids 45, 159-170.

(2128) (With B.I. Roman, L.M. De Coen, S.F.T.C. Mortier, T. De Ryck, B.W.A. Vanhoecke, M.E. Bracke & C.V. Stevens) Design, synthesis and structure-activity relationships of some novel, highly potent anti-invasive (E)- and (Z)-stilbenes. Bioorg. Med. Chem. 21, 5054-5063.

(2129) (With B.El-D.M. El-Gendy, E.H. Zadeh, A.C. Sotuyo & G.G. Pillai) α-Substitution effects on the ease of S→N-acyl transfer in aminothioesters. Chem. Biol. Drug Des. 81, 577-582.

(2130) (With S.S. Panda, M.A. Ibrahim, H. Küçükbay, M.J. Meyers, F.M. Sverdrup & S.A. El-Feky) Synthesis and antimalarial bioassay of quinine-peptide conjugates. Chem. Biol. Drug Des. 82, 361-366.

(2131) (With M.E. El Khatib, M. Elagawany, E. Çalişkan, E.F. Davis, H.M. Faidallah & S.A. El-Feky) Total synthesis of cyclic heptapeptide Rolloamide B. Chem. Commun. 49, 2631-2633.

(2132) (With I.O. Lebedyeva, S.M. Sileno, K. Patel, I. Ghiviriga & P.J Steel) Reaction of barbituric acid with organic azides and phosphonium ylides. Centr. Eur. J. Chem. 11, 1019-1022.

(2133) (With S.S. Panda, C. El-Nachef & K. Bajaj) Syntheses of hydrazino peptides and conjugates. Eur. J. Org. Chem. 2013, 4156-4162.

(2134) (With S.S. Panda, M.A. Ibrahim, A.A. Oliferenko & A.M. Asiri) Catalyst-free facile synthesis of 2-substituted benzothiazoles Green Chem. 15, 2709-2712.

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(2135) (With A.A. Oliferenko, P.V. Oliferenko & J.S. Torrecilla) Rebuttal to "Comments on 'Boiling points of ternary azeotropic mixtures modeled with the use of the universal solvation equation and neural networks'" (paper 2107). Ind. Eng. Chem. Res. 52, 545-546.

(2136) (With J.C. Monbaliu, G. Dive & C.V Stevens) Governing parameters of long-range intramolecular S-to-N acyl transfers within S-acyl isopeptides. J. Chem. Theor.. Comput. 9, 927-934.

(2137) (With S.S. Panda). Ligations from homocysteine isopeptide via 6-membered cyclic transition states. J. Indian Chem. Soc. 90, 1519-1524.

(2138) (With D. Jishkariani, C.D. Hall, A. Demircan, B.J. Tomlin & P.J. Steel) Push-pull triazenes derived from 1-(benzylideneamino)- and 1-(sulfonimido)-azolylidenes. J. Org. Chem. 78, 3349-3354.

(2139) (With N.E. Abo-Dya, S. Biswas, A. Basak, I. Avan & K.A. Alamry) Benzotriazole-mediated synthesis of aza-peptides: En route to an aza-leuenkephalin analogue. J. Org. Chem. 78, 3541-3552.

(2140) (With V. Popov & S.S. Panda) Ligations from tyrosine isopeptides via 12- to 19-membered cyclic transition states. J. Org. Chem. 78, 7455-7461.

(2141) (With S. Biswas, N. Abo-Dya, A.A. Oliferenko, A. Khiabani, P.J. Steel & K.A. Alamry) Oxyazapeptides: Synthesis, structure determination, and conformational analysis. J. Org. Chem. 78, 8502-8509.

(2142) (With K. Ha, I. Lebedyeva, Z. Li, K. Martin, B. Williams, E. Faby, A. Nasajpour, G.G. Pillai & A.O. Al-Youbi) Conformationally assisted lactamizations for the synthesis of symmetrical and unsymmetrical bis-2,5-diketopiperazines. J. Org. Chem. 78, 8510-8523.

(2143) (With K. Bajaj, S.S. Panda, M.A. Ibrahim & S.A. El-Feky) Introduction of histidine units using benzotriazolide activation. J. Pept. Sci. 19, 110-117.

(2144) (With V. Popov & S.S. Panda) Ligations of N-acyl tryptophan units to give native peptides via 7-, 10-, 11- and 12-membered cyclic transition states. Org. Biomol. Chem. 11, 1594-1597.

(2145) (With P.V. Oliferenko, A.A. Oliferenko, G. Poda, D. Osolodkin, G.G. Pillai, U.R. Bernier, M. Tsikolia, N.M. Agramonte, G.G. Clark & K.J. Linthicum) Promising Aedes aegypti repellent chemotypes identified through integrated QSAR, virtual screening, synthesis, and bioassay. PLoS ONE 2013, 8. (Corrigendum: paper 2170 - PLoS ONE 2014, 9(1).)

(2146) (With D. Jishkariani, C.D. Hall, A.A. Oliferenko, B.J. Tomlin & P.J. Steel) Thermal fragmentation of spirodithiohydantoins: A novel route to NHCs. RSC Advances 3, 1669-1672.

(2147) (With J.C. Monbaliu, L.K. Beagle, F.K. Hansen, C.V. Stevens & C. McArdle) Capture of benzotriazole-based Mannich electrophiles by CH-acidic compounds. RSC Advances 3, 4152-4155.

(2148) (With M.A. Ibrahim, S.S. Panda, L. Nhon, A. Hamed & S.A. El-Feky) Macrocyclic peptoids by selective S-acylation of cysteine esters. Synthesis 45, 767-772.

(2149) (With S. Sahu, I.O. Lebedyeva & S.S. Panda) A. R. Peptidoyl benzotriazolide-mediated acylation of nitrile-activated methylene groups. Synthesis 45, 1256-1260.

(2150) (With M.A. Ibrahim, S.S. Panda & K.A. Alamry) Green, catalyst-free synthesis of mesalazine conjugates. Synthesis 45, 3255-3258.

(2151) (With S. Sahu, S.S. Panda & A.M. Asiri) NSAID Conjugates with carnosine and amino acids. Synthesis 45, 3369-3374.

(2152) 2014 (With S.S. Panda, C.D. Hall & A.A. Oliferenko) Traceless chemical ligation from S-, O-, and N-acyl isopeptides. Acc. Chem. Res. 47, 1076-1087.

(2153) (With S.S. Panda, M. Elagawany, H.M. Marwani, E. Çalışakan, M. El Khatib, A.A. Oliferenko & K.A. Alamry) Chemical ligation from O-acyl isopeptides via 8-and 11-membered cyclic transition states. Arkivoc 2014, (iv), 91-106.

(2154) (With I.O. Lebedyeva, D.A. Ostrov, J. Neubert, P.J. Steel, K. Patel, S.M. Sileno, K. Gonçalves, M.A. Ibrahim & K.A. Alamry) Gabapentin hybrid peptides and bioconjugates. Bioorg. Med. Chem. 22, 1479-1486.

(2155) (With M.A. Ibrahim, S.S. Panda, A.S. Birs, J.C. Serrano, C.F. Gonzalez & K.A. Alamry) Synthesis and antibacterial evaluation of amino acid-antibiotic conjugates. Bioorg. Med. Chem. Lett. 24, 1856-1861.

(2156) (With I. Avan & C.D. Hall) Peptidomimetics via modifications of amino acids and peptide bonds. Chem. Soc. Rev. 43, 3575-3594.

(2157) (With K. Ha, I.O. Lebedyeva, S. Hamedzadeh, Z. Li, R. Quiñones, G.G. Pillai, B. Williams, A. Nasajpour, K. Martin & A.M. Asiri) Tandem deprotection-dimerization-macrocyclization route to C2-symmetric cyclo-tetrapeptides. Chem. – Eur. J. 20, 4874-4879.

(2158) (With S. Biswas, R. Kayaleh, G.G. Pillai, C. Seon, I. Roberts, V. Popov & K.A. Alamry) Long-range chemical ligation from N→N acyl migrations in tryptophan peptides via cyclic transition states of 10- to 18-members. Chem. – Eur. J. 20, 8189-8198.

(2159) (With I.O. Lebedyeva, S. Biswas, K. Gonçalves, S.M. Sileno, A.R. Jackson, K. Patel & P.J. Steel) One-pot decarboxylative acylation of N-, O-, S-nucleophiles and peptides with 2,2-disubstituted malonic acids. Chem. – Eur. J. 20, 11695-11698.

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(2160) (With F. Jabeen, P.V. Oliferenko, A.A. Oliferenko, G.G. Pillai, F.L. Ansari & C.D. Hall) Dual inhibition of the α-glucosidase and butyrylcholinesterase studied by Molecular Field Topology Analysis. Eur. J. Med. Chem. 80, 228-242.

(2161) (With P.V. Oliferenko, A.A. Oliferenko, A.S. Girgis, D.O. Saleh, A.M. Srour, R.F. George, G.G. Pillai, C.S. Panda & C.D. Hall) Synthesis, bioassay, and molecular field topology analysis of diverse vasodilatory heterocycles. J. Chem. Inf. Model. 54, 1103-1116.

(2162) (With Z. Wang, D. Jishkariani, B.J. Killian, I. Ghiviriga, C.D. Hall & P.J. Steel) Synthesis of heterocyclic ylids as candidates for energetic materials. J. Energetic Mater. 32, 227-237.

(2163) (With P. Vertesaljai, S. Biswas, I.O. Lebedyeva, E. Broggi & A.M. Asiri) Synthesis of taurine-containing peptides, sulfonopeptides, and N- And O-conjugates. J. Org. Chem. 79, 2688-2693.

(2164) (With D.S. Panmand, D. Jishkariani, C.D. Hall, P.A. Steel & A.M. Asiri) Synthesis and direct C2-functionalization of imidazolium and 1,2,4-triazolium N-imides. J. Org. Chem. 79, 10593-10598.

(2165) (With Z.L. Li, I. Lebedyeva, D.Q. Zhao, L. Myers, G.G. Pillai & C.D. Hall) Synthesis of L-Lys-aminoxy-goralatide. J. Pept. Sci. 20, 923–927.

(2166) (With S.S. Panda, A.A. Oliferenko & H.M. Marwani) Effects of preorganization and hydrogen bonding on intramolecular chemical ligation of (N)-and (O)-acyl isopeptides. Mendeleev Commun. 24, 75-77.

(2167) (With R.N. Khaybullin, M. Zhang, J. Fu, X. Liang, T. Li, P. Okunieff & X. Qui) Design and synthesis if isosteviol triazole conjugates for cancer therapy. Molecules 19, 18676-28689.

(2168) (With A.D. Tiwari, S.S. Panda, A.S. Girgis, S. Sahu, R.F. George, A.M. Srour, B.L. Starza, A.M. Asiri & C.D. Hall) Microwave assisted synthesis and QSAR study of novel NSAID acetaminophen conjugates with amino acid linkers. Org. Biomol. Chem. 12, 7238-7249.

(2169) (With R.A. Jones, Y. Thillier, S.S. Panda, N. Rivera Rosario & C.D. Hall) Synthesis and characterisation of glucosamine-NSAID bioconjugates. Org. Biomol. Chem. 12, 8325-8335.

(2170) (With P.V. Oliferenko, A.A. Oliferenko, G.I. Poda, D.I. Osolodkin, G.G. Pillai, U.R. Bernier, M. Tsikolia, N.M. Agramonte, G.G. Clark & K.J. Linthicum) Erratum: Promising Ædes ægypti repellent chemotypes identified through integrated QSAR, virtual screening, synthesis, and bioassay. (Corrigendum re paper 2145) PLoS ONE 2014, 9(1).

(2171) (With R.N. Khaybullin, S.S. Panda, S. Mirzai, E. Toneff, A.M. Asiri & C.D. Hall) Arginine thioacid in synthesis of arginine conjugates and peptides. RSC Advances 4, 55210-55216.

(2172) (With R.N. Khaybullin, S.S. Panda & A.O. Al-Youbi) A facile synthesis of thioacids from N-acylbenzotriazoles. Synlett 25, 247-250.

(2173) (With O.S. Detistov, S.S. Panda, P.J. Steel, A.M. Asiri & C.D. Hall) Diastereoselective synthesis of methanopyridoxazocinones. Synlett 25, 2654-2660.

(2174) (With S. Liaqat, S.S. Panda, A. Rauf & A.O. Al-Youbi) Solution-phase synthesis of chiral N-, O-, and S-acyl isopeptides. Synthesis 46, 67-72.

(2175) (With S.S. Panda, R.N. Naumov & A.M. Asiri) Microwave-assisted synthesis of biotin conjugates with quinolone antibiotics via amino acids. Synthesis 46, 1511-1517.

(2176) (With A.D. Tiwari, S.S. Panda, A.M. Asiri & C.D. Hall) Fluorescent-labeled amino acid-antibiotic conjugates. Synthesis 46, 2430-2435.

(2177) (With N.N. Barbakadze, R.A. Jones, N. Rivera Rosario, N.S. Nadaraia, M.L. Kakhabrishvili & C.D. Hall) Chemical modification of oximes with N-protected amino acids. Tetrahedron 70, 7181-7184.

(2178) (With D.S. Panmand, A.D. Tiwari, S.S. Panda, J.-M. Monbaliu, L.K. Beagle, A.M. Asiri, C.V. Stevens, P.J. Steel & C.D. Hall) New benzotriazole-based reagents for the phosphonylation of various N-, O-, and S-nucleophiles. Tetrahedron Lett. 55, 5898-5901.

(2179) 2015 (With S.S. Panda, S. Liaqat, A.D. Tiwari, H.M. Marwani, H.M. Faidallah, A. Rauf & C.D. Hall) Ligations of O-acyl threonine units to give native peptides via 5-, 8-, 9- and 10-membered cyclic transition states. Arkivoc 2015, (iv), 9-18.

(2180) (With A.S. Girgis, D.O. Saleh, R.F. George, A.M. Srour, G.G. Pillai & C.S. Panda) Synthesis, bioassay, and QSAR study of bronchodilatory active 4H-pyrano[3,2-c]pyridine-3-carbonitriles. Eur. J. Med. Chem. 89, 835-843.

(2181) (With A.S. Girgis, S.S. Panda, I.S. Farag, A.M. El-Shabini, A.M. Moustafa, N.S. Ismail, G.G. Pillai, C.S. Panda & C.D. Hall) Synthesis and QSAR analysis of anti-oncological active spiro-alkaloids. Org. Biomol. Chem. 13, 1741-1753.

(2182) (With O. Nsengiyumva, S. Hamedzadeh, J. McDaniel, J. Macho, G. Simpson, S.S. Panda, Khanh Ha, I. Lebedyeva, H.M. Faidallah, M.M. Al-Mohammadi & C.D. Hall) A benzotriazole-mediated route to protected marine-derived hetero-2,5-diketopiperazines containing proline. Org. Biomol. Chem. 13, 4399-4403.

(2183) (With A.S. Girgis, S.S. Panda, El-S.M. Shalaby, A.F. Mabied, P.J. Steel & C.D. Hall) Regioselective synthesis and theoretical studies of an antineoplastic fluoro-substituted dispiro-oxindole. RSC Advances 5, 14780-14787.

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Books Authored (A1) 1960 (With J.M. Lagowski) Heterocyclic Chemistry. Methuen. (A2) 1967 (With J.M. Lagowski) The Principles of Heterocyclic Chemistry. Methuen. (A3) 1971 (With J.M. Lagowski) Chemistry of the Heterocyclic N-Oxides. Academic Press. (A4) 1976 (With J. Elguero, C. Marzin & P. Linda) The Tautomerism of Heterocycles. Advances in

Heterocyclic Chemistry. Supplement 1. Academic Press. (A5) 1985 Handbook of Heterocyclic Chemistry. Pergamon Press. (A6) 1990 (With R. Taylor) Electrophilic Substitution of Heterocycles: Quantitative Aspects. Advances in

Heterocyclic Chemistry, Vol. 47. Academic Press. (A7) 1997 (With A.F. Pozharskii & A.T. Soldatenkov) Heterocycles in Life and Society. Wiley. (A8) 2011 (With A.F. Pozharskii & A.T. Soldatenkov) Heterocycles in Life and Society. Second Edition. Wiley. Edited/translated (E1) 1962 An Introduction to Infrared Spectroscopy, by W. Brügel, translated by A.R. Katritzky and A.J.D.

Katritzky, Methuen, London; Wiley, N.Y. (E2) 1963 Advances in Heterocyclic Chemistry, Vols 1-112 and Suppls 1, 2, 1963-2013. Academic Press /

Elsevier. (E3) 1963 Physical Methods in Heterocyclic Chemistry, Vols 1-6. 1963-74. Academic Press. (E4) 1984 (With C.W. Rees) Comprehensive Heterocyclic Chemistry, Vols 1-8. Pergamon Press. (E5) 1985 (With O. Meth-Cohn & C.W. Rees), Best Synthetic Methods, Vols 1-1. 1985-2004. Academic Press /

Elsevier. (E6) 1986 (With G.J. Sabongi) Topics in Applied Chemistry, Vols 1-23. 1986-2004 Plenum Press. (E7) 1995 (With O. Meth-Cohn & C.W. Rees) Comprehensive Organic Functional Group Transformations, Vols

1-7. Pergamon Press. (E8) 1996 (With C.W. Rees & E.F.V. Scriven) Comprehensive Heterocyclic Chemistry II, Vols 1-11. Pergamon

Press. (E9) 2004 (With R.J.K. Taylor) Comprehensive Organic Functional Group Transformations II, Vols 1-7.

Elsevier. (E10) 2008 (With C.A. Ramsden, E.F.V. Scriven & R.J.K. Taylor) Comprehensive Heterocyclic Chemistry III,

Vols 1-15, Elsevier.