dr. r. ranjith kumar prof/ranjith.pdf · 27. ultrasound-assisted sequential multi-component...

Educational Qualifications : M.Sc., Ph.D.,

Professional Experience : Teaching : 9 yrs; Research: 16 yrs (including PhD)

FIELD OF SPECIALIZATION

Organic Chemistry

NMR Spectroscopy

RESEARCH SPECIALIZATION

Synthesis of N, O and S containing heterocycles of biological importance

Structural elucidation of organic compounds by one and two dimensional NMR

Applications of hybrid heterocycles as fluorescence chemosensors

Research Supervision:

Program Completed Ongoing

Ph.D 8 7

M.Phil 12 ---

Dr. R. RANJITH KUMAR ASSISTANT PROFESSOR

Department of Organic Chemistry

School of Chemistry

Mobile No: 9655591445

Email: [email protected] [email protected]

PROFESSIONAL EXPERIENCE

No Institution Position From (date) To (date) Duration

1 Madurai Kamaraj University

Assistant Professor

18-03-2010 Till Date 9 Years

2 Institut de Chimie Moléculaire et des Matériaux d'Orsay, Université Paris-Sud 11 91405 Orsay Cedex

Post-Doctoral Fellow

01-09-2008 31-08-2009 1 Year

RESEARCH COLLABORATION (BOTH NATIONAL & INTERNATIONAL)

Name of the

Collaborator

Institute Collaboration

Details

Collaboration

Output

(Papers/ Patents/

Research/ Online)

Dr. S. Athimoolam University College of Engineering, Anna University Constituent College, Nagercoil

Single Crystal X-ray Studies

Papers

Dr. J. Suresh Madura College, Madurai


Papers

Dr. R. Vishnu Priya Madura College, Madurai


Papers

Dr. N. Srinivasan Thiagarajar College, Madurai


Papers

Dr. R. V. Krishnakumar

Thiagarajar College, Madurai


Papers

Dr. V. Shanmugaiah Madurai Kamaraj University

Biological Activity Studies

Papers

Dr. R. Suresh Kumar King Saud University, Saudi Arabia

Compound Characterization

Papers

COMPLETED RESEARCH PROJECT

No Title of the Project Funding Agency Total Grant Year

1 Synthesis and biological evaluation of novel thienopyridine derivatives

UGC, New Delhi 11.94 Lakh 2013-2017

2 Synthesis and anti-tubercular evaluation of some modified steroids

DST, New Delhi 7.20 Lakh 2010-2013

ON-GOING RESEARCH PROJECT

No Title of the Project Funding Agency Total Grant Year

---

HONORS/AWARDS/RECOGNITIONS

Citation award in appreciation of remarkable research contribution during the

period from Jan 2016 to Jul 2017, by Madurai Kamaraj University, Madurai on 15

July 2017 (Education Development Day)

DST Young Scientist Fellowship, New Delhi, 2009–2010

CNRS Post-doctorate Fellowship, Paris, France, 2008–2009

PUBLICATIONS 1. Four-Component Domino Synthesis of Pyrazolo[3,4-h]quinoline-3-carbonitriles:

“Turn-Off” Fluorescent Chemosensor for Fe3+ Ions, A. Shylaja, S.S. Roja, R. Vishnu Priya, R. Ranjith Kumar,* J. Org. Chem. 2018, 83, 14084-14090, IF: 4.805

2. A one-pot access to pyridine/benzo fused cyclododecanes via multi-component tandem reactions, S. Vivek Kumar, M. Anusha Rani, A.I. Almansour, R. Suresh Kumar, S. Athimoolam, R. Ranjith Kumar,* Tetrahedron, 2018, 74, 4569-4577, IF: 2.654

3. Synthesis of spiro-linked quinolinone-pyrrolidine/pyrrolo [1,2-c]thiazole-oxindole/ acenaphthalene hybrids via multi-component [3+ 2] cycloaddition, R.V. Sumesh, A. Shylaja, R. Ranjith Kumar,* A.I. Almansour, R. Suresh Kumar, Tetrahedron Lett. 2018, 59, 4086-4089, IF: 2.379

4. Synthesis of indole–cycloalkyl[b]pyridine hybrids via a four-component six-step tandem process, M. Muthu, R. Vishnu Priya, A.I. Almansour, R. Suresh Kumar, R. Ranjith Kumar,* Beilstein J. Org. Chem. 2018, 14, 2907-2915, IF: 2.90

5. Dipolar cycloaddition based multi-component reaction: synthesis of spiro tethered acenaphthylene–indolizine–pyridinone hybrids, R. Suresh Kumar, A.I. Almansour, N Arumugam, G. Periyasami, S. Athimoolam, R. Ranjith Kumar, M. Asad, M. Asiri, Tetrahedron Lett. 2018, 59, 3336-334, IF:2.379

6. Stereoselective green synthesis and molecular structures of highly functionnalized spirooxindole-pyrrolid-ine hybrids: A combined experimental and theoretical investigation, R. Suresh Kumar, A. I. Almansour N. Arumugam S. M. Soliman, R. Ranjith Kumar, M. Altaf, H.A. Ghabbour B. S. Krishnamoorthy, J. Mol. Struct, 2018, 1152, 266–275, IF: 1.780

7. Synthesis of penta- and tetra-cyclic cage-like compounds and dispiro heterocycles through microwave-assisted solvent-free multi-component domino reactions, S. Maharani, S. Vivek Kumar, A. I. Almansour, R. Suresh Kumar, K. Anitha and R. Ranjith Kumar* New J. Chem. 2017, 41, 11009–11015, IF: 3.277

8. A one-pot multicomponent 1,3-dipolar cycloaddition strategy: combinatorial synthesis of dihydrothiophneone engrafted dispiro hybrid heterocycles, M. Anusha Rani, S. Vivek Kumar, K. Malathi, M. Muthu, A. I. Almansour, R. Suresh Kumar, R. Ranjith Kumar* ACS Comb. Sci. 2017, 19, 308–314. IF: 3.317

9. Highly functionalized dispiro oxindole-pyrrolo[1,2-c]thiazole-piperidone hybrid: Synthesis, characterization and theoretical investigations on the regiochemistry, R. Suresh Kumar,* A. I. Almansour, N. Arumugam, S.M. Soliman, R. Ranjith Kumar,* H. A. Ghabbour J. Mol. Struct. 2016, 1121, 93–103, IF: 1.780

10. Synthesis of cycloalkano[b]pyridines by multicomponent strategy: ring-size mediated product selectivity, substitution-induced axial chirality and influence of the 14N quadrupole-relaxation, S. Maharani, A. I. Almansour, R. Suresh Kumar, N. Arumugam, R. Ranjith Kumar* Tetrahedron 2016, 72, 4582–4592, IF: 2.654

11. Multicomponent dipolar cycloaddition strategy: combinatorial synthesis of novel spiro tethered pyrazolo[3,4-b]quinoline hybrid heterocycles, R. V. Sumesh, M. Muthu, A. I. Almansour, R. Suresh Kumar, N. Arumugam, S. Athimoolam, E. A. J. Yasmi Prabha, R. Ranjith Kumar* ACS Comb. Sci. 2016, 18, 262–270, IF: 3.317

12. A sustainable approach to the stereoselective synthesis of diazaheptacyclic cage systems based on a multicomponent strategy in an ionic liquid, R. S. Kumar, A. I. Almansour, N. Arumugam, M. Altaf, J. C. Menéndez, R. Ranjith Kumar, H. Osman Molecules 2016, 21, 165, doi:10.3390/molecules21020165, IF: 2.465

13. Divergent reactivity of amino acid alkyl ester hydrochlorides with 2-oxoaldehydes: Role of selenium dioxide to promote regioselective synthesis of imidazoles, A. K. Padala, R. Ranjith Kumar, S. Athimoolam, Q. N. Ahmed Org. Lett. 2016, 18, 96–99, IF: 6.732

14. Synthesis of highly functionalized 2-thiaspiro[4.5]deca-6,8-dienes via atom efficient tandem Michael addition/Thorpe-Ziegler cyclization, M. Anusha Rani, S. Vivek Kumar, S. S. Roja, A. I. Almansour, R. Suresh Kumar, S. Athimoolam, R. Ranjith Kumar* RSC Adv. 2016, 6, 40585–40592, IF: 3.289

15. Air-assisted 2-oxo driven dehydrogenative α,α-diamination of 2-oxoaldehydes to 2-oxoacetamidines, A. Kumar, N. Battini, R. Ranjith Kumar, S. Athimoolam, Q. N. Ahmed Eur. J. Org. Chem. 2016, 3344–3348, IF: 3.068

16. Straightforward synthesis of pyrrolo[3,4-b]quinolines through intramolecular Povarov reactions, A. I. Almansour, N. Arumugam, R. Suresh Kumar, J. C. Menéndez, H. A. Ghabbour, H-K Fun, R. Ranjith Kumar Tetrahedron Lett. 2015, 56, 6900–6903, IF: 2.347

17. Multicomponent [3+2] cycloaddition strategy: Stereoselective synthesis of novel polycyclic cage-like systems and dispiro compounds, K. Malathi, S. Kanchithalaivan, R. Ranjith Kumar,* A. I. Almansour, R. Suresh Kumar, N. Arumugam Tetrahedron Lett. 2015, 56, 6132–6135, IF: 2.347

18. Dipolar cycloaddition-based multicomponent reactions in ionic liquids: A green, fully stereoselective synthesis of novel polycyclic cage systems with the generation of two new azaheterocyclic rings, R. Suresh Kumar, A. I. Almansour, N. Arumugam, J. C. Menendez, H. Osman, R. Ranjith Kumar Synthesis 2015, 47, 2721–2730, IF: 2.652

19. 2-Oxo driven unconventional reactions; Microwave assisted approaches to tetrahydrofuro[3,2-d] oxazoles and furanones, B. Narsaiah, B. Satyanarayana, R. Ranjith Kumar, Q. N. Ahmed Org. Lett. 2015, 17, 2992–2995, IF: 6.732

20. A facile tandem Michael addition/O-cyclization/elimination route to novel chromeno[3,2-c]pyridines, R. V. Sumesh, A. Malathi, R. Ranjith Kumar* Mol. Divers. 2015, 19, 233–249, IF: 2.080

21. Regioselective synthesis of novel dispiro oxindole–pyrrolizine–thiazolidine-2,4-dione hybrids, S. Ponnuchamy, R. V. Sumesh, R. Ranjith Kumar* Tetrahedron Lett. 2015, 56, 4374–4376, IF: 2.347

22. Synthesis of novel dispiro 1,4-benzothiazine hybrid heterocycles through 1,3-dipolar cycloaddition K. Malathi, V. Jeyachandran, K. Kalaiselvan, R. Ranjith Kumar* Synth. Commun. 2015, 45, 503–512, IF: 1.065

23. Domino four-component synthesis of novel cycloocta[b]pyridines, S. Maharani, R. Ranjith Kumar* Tetrahedron Lett. 2015, 56, 179–181, IF: 2.347

24. Efficient green protocol for the synthesis of novel dihydroindeno[1,2-b]pyrroles, V. Jeyachandran, M. Muthu, R. Ranjith Kumar* Synth. Commun. 2015, 45, 1137–1144, IF: 1.065

25. Ionic liquid-promoted synthesis and cholinesterase inhibitory activity of highly functionalized spiropyrrolidines, R. Suresh Kumar, A. I. Almansour, N. Arumugam, A. Basiri, Y. Kia, R. Ranjith Kumar Aust. J. Chem. 2015, 68, 863–871, IF: 1.427

26. Microwave-assisted chemoselective synthesis of novel pyrazolo[3,4-b]thieno[3,4-e] pyridines: substitution induced axial chirality, M. Anusha Rani, V. Jeyachandran, M. Muthu, S. Sivakolunthu, R. Ranjith Kumar* Tetrahedron Lett. 2014, 55, 5805–5807, IF: 2.391

27. Ultrasound-assisted sequential multi-component strategy for the combinatorial synthesis of novel coumarin hybrids, S. Kanchithalaivan, R. V. Sumesh, R. Ranjith Kumar* ACS Comb. Sci. 2014, 16, 566–572, IF: 3.032

28. Stereoselective synthesis of novel dispiro oxindole-pyrrolothiazole-androsterone hybrids, S. Kanchithalaivan, M. Anusha Rani, R. Ranjith Kumar* Synth. Commun. 2014, 44, 3122–3129, IF: 0.984

29. Synthesis of novel 16-spiro steroids: 7-(aryl)tetrahydro-1H-pyrrolo[1,2-c][1,3]thiazolo estrone hybrid heterocycles, V. Jeyachandran, S. Vivek Kumar, R. Ranjith Kumar* Steroids, 2014, 82, 29–37, IF: 2.691

30. Antimycobacterial evaluation of novel hybrid arylidene thiazolidine-2,4-diones, S. Ponnuchamy, S. Kanchithalaivan, R. Ranjith Kumar,* M. Ashraf Ali, T. S. Choon Bioorg. Med. Chem. Lett. 2014, 24, 1089–1093, IF: 2.420

31. Domino Knoevenagel condensation/Aza-ene addition/N-cyclization route to functionalized imidazo[1,2-a]pyridines and pyrido[1,2-a]pyrimidines, S. Sivakumar, R. Ranjith Kumar* Asian J. Org. Chem. 2014, 3, 974–983, IF: 3.318

32. Four-component domino strategy for the combinatorial synthesis of novel 1,4-dihydropyrano[2,3-c] pyrazol-6-amines, S. Kanchithalaivan, S. Sivakumar, R. Ranjith Kumar,* P.Elumalai, Q.N.Ahmed, A.K.Padala ACSComb.Sci.2013,15,631–638,IF: 3.401

33. A one-pot three-component domino protocol for the synthesis of penta-substituted 4H-pyrans, S. Sivakumar, S. Kanchithalaivan, R. Ranjith Kumar* RSC Adv. 2013, 3, 13357–13364, IF: 3.708

34. "On-water" one-pot pseudo four-component domino protocol for the synthesis of novel benzo [a]cyclooctenes, S. Maharani, R. Ranjith Kumar* Tetrahedron Lett. 2013, 54, 4800–4802, IF: 2.391

35. An atom economic synthesis and AChE inhibitory activity of novel dispiro 7-aryltetrahydro-1H-pyrrolo[1,2-c][1,3]thiazole and 4-aryloctahydroindolizine N-methyl-piperidin-4-one hybrid heterocycles, S. Sivakumar, R. Ranjith Kumar,* M. Ashraf Ali, T. S. Choon Eur. J. Med. Chem. 2013, 65, 240–248, IF: 3.432

36. A one-pot domino synthesis and discovery of highly functionalized dihydrobenzo[b]thiophenes as AChE inhibitors, V. Jeyachandran, R. Ranjith Kumar,* M. Ashraf Ali, T. S. Choon Bioorg. Med. Chem. Lett. 2013, 23, 2101–2105, IF: 2.331

37. Synthesis of novel 16-spiro steroids: spiro-7′-(aryl)tetrahydro-1H-pyrrolo[1,2-c] [1,3]thiazolo-trans-androsterone hybrid heterocycles, S. Kanchithalaivan, R. Ranjith Kumar,* S. Perumal Steroids, 2013, 78, 409–417, IF: 2.716

38. A mild one-pot method for conversion of various steroidal secondary alcohols into the corresponding olefins, R. Ranjith Kumar, S.D.Haveli, Henri B.Kagan Synlett 2011, 1709-1712, IF:2.710

39. Antimycobacterial activity of novel 1,2,4-oxadiazole-pyranopyridine/chromene hybrids generated by chemoselective 1,3-dipolar cycloadditions of nitrile oxides, R. Ranjith Kumar, S. Perumal, J. C. Menendez, P.Yogeeswari, D. Sriram Bioorg. Med. Chem. 2011, 19, 3444–3450, IF: 2.921

40. Regioselective reactions on a chiral substrate controlled by the configuration of a chiral catalyst, R. Ranjith Kumar, Henri B. Kagan Adv. Synth. Catal. 2010, 352, 231–242, IF: 5.250

41. A facile synthesis and antimycobacterial evaluation of novel spiro-pyrido-pyrrolizines and pyrrolidines, R. Ranjith Kumar, S. Perumal, P. Senthilkumar, P. Yogeeswari, D. Sriram Eur. J. Med. Chem. 2009, 44, 3821–3829, IF: 3.269

42. An atom economic synthesis and antitubercular evaluation of novel spiro-cyclohexanones, R. Ranjith Kumar, S. Perumal, S. C. Manju, P. Bhatt, P. Yogeeswari, D. Sriram Bioorg. Med. Chem. Lett. 2009, 19, 3461–3465, IF: 2.650

43. Sequential 1,3-dipolar cycloadditions in the synthesis of novel tri-spiro cyclohexanones and piperidin-4-ones, R. Ranjith Kumar, B. Loganayaki, S. Perumal Synth. Commun. 2009, 39, 3197–3216, IF: 0.961

44. Discovery of antimycobacterial spiro-piperidin-4-ones: An atom economic, stereoselective synthesis and biological intervention, R. Ranjith Kumar, S. Perumal, P. Senthilkumar, P. Yogeeswari, D. Sriram J. Med. Chem. 2008, 51, 5731–5735, IF: 4.802

45. A highly atom economic, chemo-, regio- and stereoselective synthesis and discovery of spiro pyrido- pyrrolizines and pyrrolidines as antimycobacterial agents, R. Ranjith Kumar, S. Perumal, P. Senthilkumar, P. Yogeeswari, D. Sriram Tetrahedron 2008, 64, 2962–2971, IF: 2.897

46. Sacrificial azomethine ylide cycloaddition controlled chemoselective nitrile oxide cyclo-addition to 1-methyl-3,5-bis[(E)-arylmethylidene]tetrahydro-4(1H)-pyridinones: formation of mono spiro isoxazolines, R. Ranjith Kumar, S. Perumal Tetrahedron 2007, 63, 12220–12231, IF: 2.869

47. An atom efficient, solvent-free, green synthesis and antimycobacterial evaluation of 2-amino-6-methyl-4-aryl-8-[(E)-arylmethylidene]-5,6,7,8-tetrahydro-4H-pyrano[3,2-c]pyridine-3-carbonitriles, R. Ranjith Kumar, S. Perumal, P. Senthilkumar, P. Yogeeswari, D. Sriram Bioorg. Med. Chem. Lett. 2007, 17, 6459–6462, IF: 2.604

48. A facile synthesis and highly atom economic 1,3-dipolar cycloaddition of hexa-hydropyrido[3,4-c] [1,5]benzothiazepines with nitrile oxide: stereoselective formation of hexahydro[1,2,4]oxadiazolo[5,4-d] pyrido[3,4-c][1,5]benzothiazepines, R. Ranjith Kumar, S. Perumal Tetrahedron, 2007, 63, 7850–7857, IF: 2.869

49. Three-component tandem reactions of (2-arylsulfanyl-3-aryl-2-oxiranyl)(aryl) methanones and o-phenylenediamine: formation of quinoxalines, M. K.amal Nasar, R. Ranjith Kumar, S. Perumal Tetrahedron Lett. 2007, 48, 2155–2158, IF: 2.615

50. Four-component tandem protocol for the stereoselective synthesis of highly functionalized[1,4] thiazines, S. Indumathi, R. Ranjith Kumar, S. Perumal Tetrahedron 2007, 63, 1411–1416, IF: 2.869

51. Chemo-, regio- and stereoselective 1,3-dipolar cycloaddition of C-aryl-N-phenylnitrones over 3,5-bis(arylidene)-1-methylpiperidin-4-ones: synthesis of highly substituted novel spiro-isoxazolidines, R. Ranjith Kumar, S. Perumal, H. B. Kagan, R. Guillot Tetrahedron 2006, 62, 12380–12391, IF: 2.817

SINGLE CRYSTAL X-RAY PUBLICATIONS

1. Crystal structure of 7′-(4-chlorophenyl)-2′′-(4-methoxyphenyl)-7′,7a',7′′,8′′-tetra-hydro-1′H,3′H,5′′H-dispiro[indoline-3,5′-pyrrolo[1,2-c]thiazole-6′,6′′-quinoline]-2,5′′-dione and an unknown solvent R. Vishnupriya, M. Venkateshan, J. Suresh, R. V. Sumesh, R. Ranjith Kumar and P. L. N. Lakshman Acta Cryst. 2019, E75, 189-193.

2. Crystal structure and Hirshfeld surface analysis of 4′-(2-chlorophenyl)-1′-methyl-3′′-phenyl-7′′,8′′-dihydro-5′′H-dispiro[indoline-3,2′-pyrrolidine-3′,6′′-isoquinoline]-2,5′′-dione R. Vishnupriya, C. Selva Meenatchi, J. Suresh, R. V. Sumesh, R. Ranjith Kumar and P. L. Nilantha Lakshman Acta Cryst. 2018, E74, 660–663.

3. Crystal structure and molecular docking studies of benzo[8]annulenes as potential

inhibitors against Mycobacterium tuberculosis R. A. Nagalakshmi, J. Suresh, S. Maharani and R. Ranjith Kumar J. Mol. Biochem. 2016, 5, 33–39

4. Crystal structure of 2-benzylamino-4-p-tolyl-6,7-dihydro-5H-cyclopenta[b]pyridine-3-carbonitrile R. A. Nagalakshmi, J. Suresh, S. Maharani, R. Ranjith Kumar and P. L. N. Lakshman Acta Cryst. 2015, E71, 192–194.

5. Crystal structures of 2-benzylamino-4-(4-bromophenyl)-6,7,8,9-tetrahydro-5H-cyclohepta[b] pyridine-3-carbonitrile and 2-benzylamino-4-(4-chlorophenyl)-6,7,8,9-tetrahydro-5H-cyclohepta[b] pyridine-3-carbonitrile R. A. Nagalakshmi, J. Suresh, S. Maharani, R. Ranjith Kumar and P. L. N. Lakshman Acta Cryst. 2015, E71, 12–15.

6. Crystal structure of 5-benzoyl-2,4-diphenyl-4,5-dihydrofuran-3-carbonitrile V. Rajni Swamy, R. V. Krishnakumar, S. Sivakumar, N. Srinivasan and R. Ranjith Kumar Acta Cryst. 2015, E71, 663–664.

7. Crystal structure of 2-benzylamino-4-(4-bromophenyl)-6,7-dihydro-5H-cyclopenta[b]pyridine-3-carbonitrile R. A. Nagalakshmi, J. Suresh, S. Maharani, R. Ranjith Kumar and P. L. N. Lakshman Acta Cryst. 2015, E71, 296–298.

8. Crystal structure of 2-hydroxy-2-(2-oxocycloheptyl)-2,3-dihydro-1H-indene-1,3-dione P. K. Ahamed, N. Srinivasan, R. Ranjith Kumar and R. V. Krishnakumar Acta Cryst. 2015, E71, 715–716.

9. Crystal structure of 1',1''-dimethyl-4'-(4-cholorophenyl)dispiro[11H-indeno[1,2-b]quinoxaline-11,2'-pyrrolidine-3',3''-piperidin]-4''-one R. A. Nagalakshmi, J. Suresh, K. Malathi, R. Ranjith Kumar and P. L. N. Lakshman Acta Cryst. 2015, E71, 68–69.

10. Crystal structure and docking studies of hexahydrocycloocta[b]pyridine-3-carbonitriles R. Vishnupriya, A.V.K.M. Kowsalyadevi, J. Suresh, S. Maharani, R. Ranjith Kumar J. Mol. Biochem. 2014, 3, 50–57.

11. Crystal structure and molecular docking studies of octahydrocycloocta[b]pyridine-3- carbonitriles as potential inhibitors against Mycobacterium tuberculosis R. A. Nagalakshmi, J.Suresh, S.Maharani, R. Ranjith Kumar J.Mol. Biochem. 2014, 3, 77–84

12. (3aR*,8bR*)-3a,8b-Dihydroxy-1-(4-methylphenyl)-2-methylsulfanyl-3-nitro-1,8b-di-hydroindeno[1,2-b]pyrrol-4(3aH)-one R. A. Nagalakshmi, J. Suresh, R. Ranjith Kumar, V. Jeyachandran, P. L. N. Lakshman Acta Cryst. 2014, E70, 279–280.

13. Crystal structure of 2-benzylamino-4-(4-methoxyphenyl)-6,7,8,9-tetrahydro-5H-cyclohepta[b]pyridine-3-carbonitrile R. A. Nagalakshmi, J. Suresh, S. Maharani, R. Ranjith Kumar and P. L. N. Lakshman Acta Cryst. 2014, E70, 525–527.

14. 2-Methoxy-4-(2-methoxyphenyl)-5,6,7,8,9,10-hexahydrocycloocta[b]pyridine-3-carbonitrile R. Vishnupriya, J. Suresh, S. Maharani, R. Ranjith Kumar and P. L. N. Lakshman Acta Cryst. 2014, E70, 656.

15. Crystal structure of 5-amino-5'-chloro-6-(4-chlorobenzoyl)-8-nitro-2,3-dihydro-1H-spiro[imidazo[1,2-a]pyridine-7,3'-indolin]-2'-one including an unknown solvent mol-ecule R. A. Nagalakshmi, J. Suresh, S. Sivakumar, R. Ranjith Kumar and P. L. N. Lakshman Acta Cryst. 2014, E70, 971–972.

16. 5-Amino-5'-bromo-6-(4-methylbenzoyl)-8-nitro-2,3-dihydro-1H-spiro[imidazo[1,2-a]pyridine-7,3'-indolin]-2'-one including an unknown solvate R. A. Nagalakshmi, J. Suresh, S. Sivakumar, R. Ranjith Kumar and P. L. N. Lakshman Acta Cryst. 2014, E70, 816–817.

17. 5-Amino-6-benzoyl-8-nitro-2,3-dihydro-1H-spiro[imidazo[1,2-a]pyridine-7,3'-indolin]-2'-one dimethyl sulfoxide monosolvate R. A. Nagalakshmi, J. Suresh, S. Sivakumar, R.

Ranjith Kumar and P. L. N. Lakshman Acta Cryst. 2014, E70, 604–605. 18. 46. Crystal structure of 1-benzyl-4-(4-chlorophenyl)-2-imino-1,2,5,6,7,8,9,10-octa-

hydrocycloocta[b]pyridine-3-carbonitrile R. A. Nagalakshmi, J. Suresh, S. Maharani, R. Ranjith Kumar and P. L. N. Lakshman Acta Cryst. 2014, E70, 167–169.

19. 4-(2-Fluorophenyl)-2-methoxy-5,6,7,8,9,10-hexahydrocycloocta[b]pyridine-3-carbo-nitrile R. Vishnupriya, J. Suresh, S. Maharani, R. Ranjith Kumar and P. L. N. Lakshman Acta Cryst. 2014, E70, 872.

20. Crystal structure of 1-benzyl-4-(2,4-dichlorophenyl)-2-imino-1,2,5,6,7,8,9,10-octa-hydrocycloocta[b]pyridine-3-carbonitrile R. A. Nagalakshmi, J. Suresh, S. Maharani, R. Ranjith Kumar and P. L. N. Lakshman Acta Cryst. 2014, E70, 441–443.

21. 10-(4-Chlorophenyl)-14a-hydroxy-12-methyl-8,9,9a,10,12,13,14,14a-octahydro-5H-10a,14-methano-indeno-[2′,1′:4,5]azepino[3,4-b]pyrrolizine-5,15(7H,11H)-dione R. A. Nagalakshmi, J. Suresh, K. Malathi, R. Ranjith Kumar, P. L. N. Lakshman Acta Cryst. 2014, E70, 97–98.

22. Isotypic crystal structures of 1-benzyl-4-(4-bromophenyl)-2-imino-1,2,5,6,7,8,9,10-octahydrocycloocta[b]pyridine-3-carbonitrile and 1-benzyl-4-(4-fluorophenyl)-2-imino-1,2,5,6,7,8,9,10-octahydrocycloocta[b]pyridine-3-carbonitrile R. A. Nagalakshmi, J. Suresh, S. Maharani, R. Ranjith Kumar and P. L. N. Lakshman Acta Cryst. 2014, E70, 344–347.

23. C-H O and C-H N interactions in three hexahydrocycloocta[b]pyridine-3-carbo-nitriles R. Vishnupriya, J. Suresh, S. Maharani, R. Ranjith Kumar Acta Cryst. 2014, C70, 236–240, IF: 0.518

24. Synthesis, Spectroscopic and Docking Studies of Napthyl Substituted Di-Spiro Octahydroindolizine R. Vishnu Priya, J. Suresh1, S. Sivakumar, R. Ranjith Kumar, R. Sankaranarayanan Physical Review & Research International, 2013, 3, 479–489

25. (3aR,8bR)-3a,8b-Dihydroxy-2-methylsulfanyl-3-nitro-1-phenyl-1,8b-dihydro-indeno[1,2-b]pyrrol-4(3aH) one R. A. Nagalakshmi, J. Suresh, V. Jeyachandran, R. Ranjith Kumar and P. L. N. Lakshman Acta Cryst. 2013, E69, 1770.

26. (3aR,8bR)-3a,8b-Dihydroxy-1-(4-methoxyphenyl)-2-methylsulfanyl-3-nitro-1,8b-di-hydroindeno[1,2-b]pyrrol-4(3aH)-one R. A. Nagalakshmi, J. Suresh, V. Jeyachandran, R. Ranjith Kumar, P. L. N. Lakshman Acta Cryst. 2013, E69, 1849.

27. 14a-Hydroxy-12-methyl-10-(4-methylphenyl)-8,9,9a,10,12,13,14,14a-octahydro-10a,14-methano-5H-indeno[2',1':4,5]azepino[3,4-b]pyrrolizine-5,15(7H,11H)-dione R. A. Nagalakshmi, J. Suresh, K. Malathi, R. Ranjith Kumar, P. L. N. Lakshman Acta Cryst. 2013, E69, 1581.

28. 1',1''-Dimethyl-4'-(4-methylphenyl)dispiro[11H-indeno[1,2-b]quinoxaline-11,2'-pyrrolidine-3',3''-piperidin]-4''-one R. A. Nagalakshmi, J. Suresh, K. Malathi, R. Ranjith Kumar, P. L. N. Lakshman Acta Cryst. 2013, E69, 1466.

29. 1',1''-Dimethyl-4'-phenyldispiro[11H-indeno[1,2-b]quinoxaline-11,2'-pyrrolidine-3',3''-piperidin]-4''-one J. Suresh, R. A. Nagalakshmi, K. Malathi, R. Ranjith Kumar, P. L. N. Lakshman Acta Cryst. 2013, E69, 1433.

30. 5''-(2-Fluorobenzylidene)-1'-(2-fluoroyphenyl)-1''-methyl-1',2',3',5',6',7',8',8a'-octahydrodispiro [acenaphthylene-1,3'-indolizine-2',3''-piperidine]-2,4''(1H)-dione R.Vishnu Priya, J. Suresh, S. Sivakumar, R. Ranjith Kumar, P. L. N. Lakshman Acta Cryst. 2013, E69, 1291.

31. 5''-(4-Nitrobenzylidene)-1'-(4-nitrophenyl)-1''-methyl-1',2',3',5',7',7a'-hexahydrodispiro[acenaphthyl-ene-1,3'-pyrrolo-[1,2-c][1,3]thiazole-2',3''-piperidine]-

2,4''(1H)-dione including an unknown solvate R.Vishnu Priya, J. Suresh, S. Sivakumar, R. Ranjith Kumar, P. L. N. Lakshman Acta Cryst. 2013, E69, 1208.

32. N—H· · ·O and N—H· · ·N interactions in three pyran derivatives J. Suresh, R. Vishnu priya, S.Sivakumar, R.Ranjith Kumar ActaCryst. Sect. C, 2013, C69, 642–646, IF: 0.518

33. 4-(4-Fluorophenyl)-6-methylamino-5-nitro-2-phenyl-4H-pyran-3-carbonitrile R.Vishnu Priya, J. Suresh, S. Sivakumar, R. Ranjith Kumar, P. L. N. Lakshman Acta Cryst. 2013, E69, 687.

34. 4-(4-Methoxyphenyl)-6-methylamino-5-nitro-2-phenyl-4H-pyran-3-carbonitrile R.Vishnu Priya, J. Suresh, S. Sivakumar, R. Ranjith Kumar, P. L. N. Lakshman Acta Cryst. 2013, E69, 451.

35. 3-[2-Cyclopropyl-1-(2-fluorophenyl)-2-oxoethyl]-5-(4-methylsulfanylbenzylidene)-1,3-thiazolidine-2,4-dione J. Suresh, M. Venkateshan, S. Ponnuchamy, R. Ranjith Kumar, P. L. N. Lakshman Acta Cryst. 2013, E69, 188.

36. 5''-(4-Methoxybenzylidene)-1'-(4-methoxyphenyl)-1''-methyl-1',2',3',5',6',7',8',8a'-octahydrodispiro [acenaphthylene-1,3'-indolizine-2',3''-piperidine]-2,4''(1H)-dione J. Suresh, R. A. Nagalakshmi, S. Sivakumar, R. Ranjith Kumar, P. L. N. Lakshman Acta Cryst. 2013, E69, 256.

37. (E)-16-(4-Chlorobenzylidene)estrone J. Suresh, H. Thenmozhi, V. Jeyachandran, R. Ranjith Kumar, P. L. N. Lakshman Acta Cryst. 2013, E69, 111.

38. rac-5''-(4-Fluorobenzylidene)-1'-(4-fluorophenyl)-1''-methyl-1',2',3',5',6',7',8',8a'-octahydrodispiro [acenaphthylene-1,3'-indolizine-2',3''-piperidine]-2,4''(1H)-dione J. Suresh, R. A. Nagalakshmi, S. Sivakumar, R. Ranjith Kumar, P. L. N. Lakshman Acta Cryst. 2013, E69, 140.

39. Spectral analysis and crystal structure of two substituted spiro acenaphthene structures J. Suresh, R. Vishnupriya, S. Sivakumar, R. Ranjith Kumar J. Mol. Biochem. 2012, 1, 183–188

40. Spectral analysis and crystal structure of spiro[2.2"]acenaphthene-1"-one-spiro[3.3']-5'-(2,3-dichlorophenylmethylidene)-1'-methylpiperidin-4'-one-4-(2,3-dichlorophenyl)octahydroindolizine R.Vishnu Priya, J. Suresh, S. Sivakumar, R. Ranjith Kumar Crystal Structure Theory and Applications, 2012, 1, 74

41. 5''-(4-Chlorobenzylidene)-1'-(4-chlorophenyl)-1''-methyl-1',2',3',5',6',7',8',8a'-octahydrodispiro[acena-phthylene-1,3'-indolizine-2',3''-piperidine]-2,4''(1H)-dione J. Suresh, R. A. Nagalakshmi, R. Ranjith Kumar, S. Sivakumar, P. L. N. Lakshman Acta Cryst. 2012, E68, 3315.

42. 5''-(2,4-Dichlorobenzylidene)-1'-(2,4-dichlorophenyl)-1''-methyl-1',2',3',5',6',7',8',8a'-octahydro-dispiro[acenaphthylene-1,3'-indolizine-2',3''-piperidine]-2,4''(1H)-dione J. Suresh, R. Vishnupriya, R. Ranjith Kumar, S. Sivakumar, P. L. N. Lakshman Acta Cryst. 2012, E68, 2906.

43. 5''-Benzylidene-1''-methyl-1'-phenyl-1',2',3',5',6',7',8',8a'-octahydrodispiro[acenapht-hylene-1,3'-indolizine-2',3''-piperidine]-2,4''(1H)-dione J. Suresh, R. A. Nagalakshmi, R. Ranjith Kumar, S. Sivakumar, P. L. N. Lakshman Acta Cryst. 2012, E68, 2981.

44. 5-(4-Fluorobenzylidene)-4′-(4-fluorophenyl)-1,1′-dimethyldispiro[piperidine-3,3′-pyrrolidine-2′,3′′-indoline]-4,2′′-dione V. Rajni Swamy, S. Ramaswamy, N. Srinivasan, R. Ranjith Kumar, R.V. Krishnakumar Acta Cryst. 2012, E68, 2839.

45. 1-Methyl-1'-(4-methylphenyl)-2',3',5',6',7',7a'-hexahydro-1'H-dispiro[piperidine-3,2'-pyrrolizine-3',3''-indoline]-4,2''-dione S. Ramaswamy, R. Sribala, N. Srinivasan, R.V.

Krishnakumar, R. Ranjith Kumar Acta Cryst. 2012, E68, 2772. 46. 2-Amino-4-(4-chlorophenyl)-5,6,7,8,9,10-hexahydrobenzo[8]annulene-1,3-

dicarbonitrile V. Rajni Swamy, N. Srinivasan, R. Ranjith Kumar, R.V. Krishnakumar Acta Cryst. 2012, E68, 2692.

47. Intermolecular C—H….O and C—H….X interactions in substituted spiroacenaphthylene structures J. Suresh, R. Vishnupriya, S. Sivakumar, R. Ranjith Kumar, A. Athimoolam Acta Cryst. Sect. C, 2012, C68, 257, IF: 0.518

48. 7′-(Naphthalen-1-yl)-5′′-[(naphthalen-2-yl)methylidene]-1′,3′,5′,6′,7′,7a′-hexahydrodispiro[acenap-hthene-1,5′-pyrrolo[1,2-c]thiazole-6′,3′′-piperidine]-2(1H),4′′-dione J. Suresh, R. Vishnupriya, R. Ranjith Kumar, S. Sivakumar, P. L. N. Lakshman Acta Cryst. 2012, E68, 858.

49. 5''-(4-Methoxybenzylidene)-7'-(4-methoxyphenyl)-1''-methyl-5',6',7',7a'-tetrahydrodispiro[acenaphth-ene-1,5'-pyrrolo[1,2-c][1,3]thiazole-6',3''-piperidine]-2,4''-dione J. Suresh, R. Vishnupriya, R. Ranjith Kumar, S. Sivakumar, P. L. N. Lakshman Acta Cryst. 2011, E67, 3210, IF: 0.411

50. rac-2-Hydroxy-2-(2-oxocyclopentyl)-1H-indene-1,3(2H)-dione J. K. Sundar, S. Maharani, R. Ranjith Kumar, S. Natarajan, J. Suresh, P. L. N. Lakshmanan Acta Cryst. 2010, E66, 2967, IF: 0.411

51. 4'-(2,4-Dichlorophenyl)-1,1'-dimethylpiperidine-3-spiro-3'-pyrrolidine-2'-spiro-3''-indoline-4,2''-dione, S. Nagamuthu, R. Sribala, R. Ranjith Kumar, R. V. Krishnakumar, N. Srinivasan Acta Cryst. 2010, E66, 717, IF: 0.411

52. 3-[(E)-(4-Methoxyphenyl)methylidene]-1-methyltetrahydro-4(1H)-pyridinone D. Gayathri, D. Velmurugan, R. Ranjith Kumar, S. Perumal, K. Ravikumar Acta Cryst. 2008, E64, 552, IF: 0.411

53. 3-(4-Chlorophenyl)-7-methyl-4-(4-methylphenyl)-1-oxa-2,7-diazaspiro[4.5]dec-2-en-10-one D. Gayathri, D. Velmurugan, R. Ranjith Kumar, S. Perumal, K. Ravikumar Acta Cryst. 2008, E64, 398, IF: 0.411

54. 3-[(E)-(2,4-Dichlorophenyl)methylidene]-1-methyltetrahydro-4(1H)-pyridinone D. Gayathri, D. Velmurugan, R. Ranjith Kumar, S. Perumal, K. Ravikumar Acta Cryst. 2008, E64, 520, IF: 0.411

55. 1-Methyl-4-(1-naphthyl)-pyrrolo-(spiro-[2.2″]acenaphthene-1″-one)-spiro[3.3′]-6′-(1-naphthyl)meth-ylidenecyclohexanone S. Athimoolam, R. Ranjith Kumar, S. Perumal Acta Cryst. 2008, E64, 95, IF: 0.411

56. 5″-(4-Chlorobenzylidene)-1′,1″-dimethyl-3′-phenylacenaphthene-1-spiro-2′-pyrrolidine-3′-spiro-3″-pyridine-2,4″-dione S. Pandiarajan, N. Saravanamoorthy, B. Ravi Kumar, R. Ranjith Kumar, S. Athimoolam Acta Cryst. 2008, E64, 99, IF: 0.411

57. 5″-(4-Chlorobenzylidene)-4′-(4-chlorophenyl)-1″-methyl-5′-phenylacenaphthene-1-spiro-2′-pyrrolidi-ne-3′-spiro-3″-piperidine-2,4″-dione S. Athimoolam, R. Ranjith Kumar, K. Vijaya, R. Sayee Kannan, S. Perumal Acta Cryst. 2007, E63, 4635, IF: 0.411

58. 4-Benzylidene-2-methyl-11-phenyl-1,2,3,4,11,11a-hexahydropyrido[3,4-c][1,5]benzothiazepine S. Athimoolam, R. Ranjith Kumar, R. S. Kannan, B. Sridhar, S. A. Bahadur Acta Cryst. 2007, E63, 4359, IF: 0.411

59. 1-(4-Chlorophenyl)-8-(4-fluorophenyl)-4-[(E)-(4-fluorophenyl)methylidene]-6-methyl-4,5,6,7,7a,8-hexahydro-1,2,4-oxadiazolo[5,4-d]pyrido[3,4-c][1,5]benzothiazepines N. Srinivasan, R. Sribala, R. Ranjith Kumar, S. Perumal, R. V. Krishnakumar Acta Cryst. 2007, E63, 4268, IF: 0.411

60. 8-[(E)-4-Methoxybenzylidene]-4-(4-methoxyphenyl)-3-(3-phenyl-1,2,4-oxadiazol-5-

yl)-5,6,7,8-tetra-hydro-4H-chromen-2-ylamine N. Srinivasan, M. Subha Nandhini, R. Ranjith Kumar, S. Perumal, R. V. Krishnakumar Acta Cryst. 2007, E63, 3750, IF: 0.411

61. 3,5-Bis[(E)-4-methylbenzylidene]-4-oxopiperidine-1-carbonitrile M. Subha Nandhini, N. Srinivasan, R. Ranjith Kumar, S. Perumal, R. V. Krishnakumar Acta Cryst. 2007, E63, 3749, IF: 0.411

62. 5''-Benzylidene-1''-methyl-4',5'-diphenyl-1H-indole-3-spiro-2'-pyrrolidine-3'-spiro-3''-piperidine-2,4''-dione B. R. Kumar, S. Pandiarajan, R. Ranjith Kumar, S. Perumal Acta Cryst. 2007, E63, 3221, IF: 0.411

63. 7-Methyl-9-(4-methylbenzylidene)-1-(4-methylphenyl)-3,4-diphenyl-2-oxa-3,7-diazaspiro[4.5]decan-10-one J. Suresh, R. Ranjith Kumar, S. Perumal, S. Natarajan Acta Cryst. 2006, E62, 5356, IF: 0.567

In addition to the above publications, 37 single crystal X-ray data have been deposited in “The Cambridge Crystallographic Data Centre” since 2012

PAPER PRESENTED IN CONFERENCE/SEMINAR/WORKSHOP

Name of the Conference Date Place Title Author(s)

International Conference on Advancements and Challenges on Chemical Sciences

3 Feb 2018

Pachaiyappa College, Chennai

One-pot multi-component 1,3-cycloaddition strategy: synthesis of novel spiro indenoquinoxaline–pyrrolidine/pyrrolothiazole–indole hybrids

M. Muthu and R. Ranjith Kumar

International Conference on Functional Materials

7-8 Sep 2017

Thiagarajar College, Madurai

A facile synthesis of thiazole–indole hybrid heterocycles through a one-pot four-component domino protocol

B. Mariammal, M. Muthu and R. Ranjith Kumar

21st CRSI National Symposium in Chemistry

14-16 July 2017

IICT, Hyderabad

Phenothiazine Tethered Spiro Pyrrolidine-Oxindole Hybrids: A Highly Selective On–Off Switchable Fluorogenic Chemosensor for Detecting Fe (III) and Hg (II) Ions

A. Shylaja and R. Ranjith Kumar

International Conference on Frontier Areas in Chemical Technologies (FACTs)-2017

6-8 July, 2017

Alagappa University, Karaikudi

A facile one- component four-component domino


protocol for the synthesis of novel cycloocta/cyclododeca-pyridine-3-carbonitrile-indole hybrids


6-8 July, 2017


Discovery of novel pyrazole[3,4-h]quinolone-3-carbonitriles as efficient ‘turn-off’ fluorescence sensors for Fe3+ ions

A. Shylaja and R. Ranjith Kumar


6-8 July, 2017


One pot synthesis of 2-amino-4-arylpyridine-3-carbonitrile tethered phenothiazines

S.S. Roja and R. Ranjith Kumar


6-8 July, 2017


A facile synthesis of thiazolo-pyridine hybrid heterocycles through one- pot four-component domino protocol

B. Mariammal, M. Muthu and R. Ranjith Kumar

International conference on Chemical and Environmental Research

7 January 2017

Jamal Mohamed College, Tiruchirapalli

A facile three-component tandem protocol for the synthesis of novel dihydro 1H-pyrazolo[3,4-b]pyridines


Three-day CRSI National Seminar on Emerging Trends in Chemistry

18–20, February 2016

Madurai Kamaraj University, Madurai,

Combinatorial synthesis of spiro-linked quinolinone–pyrrolidine/pyrrolo[1,2-c]thiazole–oxindole/ acenaphthalene hybrid heterocycles

R. V. Sumesh, A. Shylaja, R. Ranjith Kumar

International Conference on Recent Advances in Materials and Chemical Sciences

14–15, December 2015

Gandhigram Rural Institute, Dindigul, Tamil Nadu

A facile entry to novel spiro tethered pyrazolo [3,4-b]quinoline – pyrrolidine/pyrrolothiazole/indolizine – indenoquinoxaline hybrids

R. V. Sumesh, R. Ranjith Kumar

International Conference on Recent Advances in Materials and Chemical Sciences

14–15, December 2015

Gandhigram Rural Institute,

Synthesis and NMR studies of novel dispiro indeno[1,2-

K. Malathi, M. Muthu, R. Ranjith Kumar

Dindigul, Tamil Nadu

b]quinoxaline–benzo[b][1,4]thiazine–pyrrolidine/pyrrolo[1,2-c]thiazole/pyrrolizine hybrid heterocycles

10th Mid Year Chemical Research Society of India (CRSI) Symposium in Chemistry

July 23–25, 2015

NIT, Trichy Design, synthesis and anti-mycobacterial activity of novel hybrid thiazolidine-2,4-diones

S. Ponnuchamy, R. Ranjith Kumar, M. A. Ali

2nd International Symposium on Emerging Trends in Chemical and Pharmaceutical Sciences and Pharma Chem Expo-2014

October 15-17, 2014

IICT, Hyderabad

Synthesis of novel oxindole thiophene hybrids tethered with pyrrolidine, pyrrolothiazole or indolizine rings

Mani Anusha Rani, Muthumani Muthu, Raju Ranjith Kumar

National Symposium on Transcending Frontiers in Organic Chemistry

October 09-11, 2014

National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram

Synthesis and AChE inhibition studies of novel dispirooxindolo-pyrrolizine-thiazolidine-2,4-dione hybrids

Singanan Ponnuchamy and R. Ranjith Kumar

National Symposium on Transcending Frontiers in Organic Chemistry

October 09-11, 2014

National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram

Domino Knoevenagel Condensation/Aza-ene Addition/N-Cyclization Route to Functionalized Imidazo[1,2-a]pyridines and Pyrido[1,2-a]pyrimidines

Sathiyamoorthi Sivakumar and R. Ranjith Kumar

16th CRSI National Symposium in Chemistry (NSC-16) 8th CRSI-RSC Joint Symposium in Chemistry

6–9 February 2014

IIT Mumbai A facile atom economic synthesis of novel chromenopyridines

R. V. Sumesh, A. Malathi and R. Ranjith Kumar

16th CRSI National Symposium in Chemistry (NSC-16) 8th CRSI-RSC Joint Symposium in Chemistry

6–9 February 2014

IIT Mumbai An expedient domino [3+2] cycloaddition/intramolecular annulation reaction for the synthesis of novel hexacyclic fused systems

A. Malathi and R. Ranjith Kumar

National Seminar on Current Trends in Organic Synthesis

19th June 2013

Madurai Kamaraj University, Madurai

An easy access to novel dispiro thiazolo[3,2-a]pyridines via 1,3-dipolar cycloaddition

Mani Anusha Rani, R. Ranjith Kumar


19th June 2013


An atom economic facile three-component domino synthesis of highly functionalized pyridine-3-carbonitriles and benzo[a]cyclooctene-1,3-dicarbonitriles

S. Maharani, R. Ranjith Kumar


19th June 2013


A facile stereospecific synthesis of novel 16-spiro trans-androsterone hybrid hetrocycles through 1,3-dipolar cycloaddition

S Kanchithalaivan, R Ranjith Kumar


19th June 2013


A Facile Synthesis of Novel dispiro acenaphthylene-oxindolo - pyrrolothiazolidine hybrid heterocycles via 1,3-dipolar cycloaddition

A. Malathi, G. Kalaiayarasan, R. Ranjith Kumar


19th June 2013


1,3-Dipolar cycloaddition: Synthesis and NMR studies of novel dispiro tetralone derivatives

Jeyachandran, N. Muniraj and R. Ranjith Kumar


19th June 2013


Discovery of novel dispiro oxindolo-pyrrazoline-1,5-thiazolidine-2,4-dione hybrid heterocycles as AChE inhibitors

S. Ponnuchamy and R. Ranjith Kumar

International Conference Multidisciplinary Frontiers of Medicinal Chemistry: Synthesis, Molecular Biology & Technology

18th &19th January 2013

Sastra University

Antimycobacterial activity: One-pot three-component domino “on water” protocol for the synthesis of functionalized

S. Maharani and R. Ranjith Kumar

benzo[a]cyclooctenes

15th CRSI National Symposium in Chemistry

February 1-3, 2013

Banaras Hindu University, Varanasi

Synthesis of novel 16-spiro steroids: spiro-7′-(aryl)tetrahydro-1H-pyrrolo[1,2-c][1,3] thiazolo trans-androsterone hybrid heterocycles

S Kanchithalaivan, R Ranjith Kumar

15th CRSI National Symposium in Chemistry

February 1-3, 2013

Banaras Hindu University, Varanasi

One-pot domino synthesis of highly substituted novel 4H-3-pyrancarbonitriles

Sathiyamoorthi Sivakumar and R. Ranjith Kumar

International Conference Multidisciplinary Frontiers of Medicinal Chemistry: Synthesis, Molecular Biology & Technology

18th &19th January 2013

Sastra University

Synthesis of novel 16-spiro steroids: Spiro[5’.3”]oxindole-spiro[6’.16]Spiro-7’-(aryl) tetrahydro-1H-pyrrolo[1,2-c][1,3]thiazolo-estrones

V. Jeyachandran, S. Vivek Kumar and R. Ranjith Kumar

National Seminar on Recent Trends in Chemistry

March 2012

Hajee Karutha Rowther Howdia College, Uthamapalayam

A facile domino protocol for the regioselective synthesis of novel 5-amino-2,7-diaryl-2,3-dihydrobenzo[b]thiophenes

V. Jeyachandran, R. Ranjith Kumar and S. Perumal

National Seminar on Recent Trends in Chemistry

March 2012

Hajee Karutha Rowther Howdia College, Uthamapalayam

Atom economic synthesis of novel di-spiro piperidin-4-ones

S. Kanchithalaivan, R. Ranjith Kumar and S. Perumal

National Conference on Recent Trends in Green Synthesis

August 2011


A one-pot four component domino protocol for the synthesis of 2,6-di(indolyl)-4-arylpyridines in ionic liquid

V. Jeyachandran, K. Balamurugan, R. Ranjith Kumar and S. Perumal

National Conference on Recent Trends in Green Synthesis

August 2011


An atom economic synthesis of novel spiro-pyridino-pyrrolo[1,2-c] thiazoles via 1,3-dipolar

Sathiyamoorthi Sivakumar, R. Ranjith Kumar and Subbu Perumal

cycloaddition of azomethine ylide to arylidene-N-methyl-4-piperidones

INVITED LECTURES/RESOURCE PERSON:

Date Institute/Organizer Name of the Conference/Seminar 21-01-2019 Department of Chemistry, VVV

College, Virudhunagar Invited lecture Title: Basics of NMR spectroscopy

14-11-2018 Department of Chemistry, Govt. College, Kattappana, Kerala

National Seminar on Recent Trends in Chemistry Title: Solving Problems with NMR Spectroscopy

28-09-2018 Department of Chemistry, Maharaja's College, Ernakulam, Kerala

National Seminar in Chemistry "RAISE 2018" Titles: 1. Retrosynthesis 2. 2D NMR Spectroscopy

05-08-2017 Department of Chemistry, VPMM Arts and Science College for Women, Krishnankovil

Inauguration of Chemistry Association: Chem Festiva-17 Title: NMR spectroscopy

07-05-2017 The Srinivasa Ramanujan Institute of Basic Sciences, Kottayam, Kerala MG University, Kottayam Kerala State Council for Science Technology and Environment,

Colloquium on “”Spectroscopy: Theory and Applications Title: NMR spectroscopy

22-03-2017 PG & Research Department of Chemistry, SVN College, Nagamalai, Madurai

State Level Seminar on “Modern Trends in Chemistry-2017” Title: Structural Elucidation by One and Two Dimensional NMR Spectroscopy

17-03-2017 Department of Chemistry, Kongunadu Arts and Science College, Coimbatore

National Level Seminar on “Advanced Developments in Spectroscopic Techniques and its Applications” Title: NMR spectroscopy

04-03-2017 School of Advances Sciences, VIT University, Vellore

Special Lecture Title: Structural Elucidation by One and Two Dimensional NMR Spectroscopy

18-02-2017 Post-Graduate Department of Chemistry, VHNSN College, Virudhunagar

Guest-Lecture Title: Basic Concepts of Retrosynthetic Analysis

22-12-2016 TM Jacob Memorial Govt. College, Koothattukulam, Ernakulam, Kerala

National Seminar on “Advanced Concepts in Chemistry” (Two lectures) Title I: Stereochemical Aspects in Organic Chemistry Title II: Retrosynthetic Analysis

02-02-2016 Fatima College, Madurai Invited lecture in the Chemistry Association Function Title: Basic Concepts of Retrosynthesis

17-12-2015 VVV College for Women, Virudhunagar

Invited lecture in Chemistry Association Title: Basics of NMR Spectroscopy

27-11-2015 Government Arts and Science College, Kozhikode, Kerala

Two Day National Seminar on “Recent Advances in Chemistry” Topic: Significance of Chirality: The Need for Asymmetric Synthesis

31-10-2015 Hajee Karutha Rowther Howdia College, Uthamapalayam,

Invited lecture Topic: Retrosynthetic Analysis

28-09-2015 Mother Theresa University, Kodaikanal

National Seminar on “Managing Risks of Hazardous Chemicals at Work” Title: Managing Risks of Hazardous Chemicals at Work

19-09-2015 T. K. Madhava Memorial College, Nangiarkulangara, Kerala

UGC Sponsored National Seminar on “Spectroscopic Techniques-Present Scenario” Title: One and Two Dimensional NMR Spectroscopy in the Elucidation of Heterocycles

12-03-2015 Kandaswamy Kandar’s College, Namakkal,

DST sponsored National Seminar on “Advanced Nanomaterials for Functional Applications” Title: Domino Reactions Triggered by Knoevenagel Condensation: Synthesis of Drug-like Materials

13-02-2015 Sree Narayana College, Punalur, Kerala

UGC sponsored National seminar on “Chemical applications of spectroscopic techniques” Title: Structural Elucidation by One and Two Dimensional NMR Spectroscopy

05-02-2015 APC Mahalakshmi College for Women, Thoothukudi

UGC sponsored National seminar on “Current Trends in Chemistry” Title: Structural Elucidation by One and Two Dimensional NMR Spectroscopy

20-07-2014 The Srinivasa Ramanujan Institute of Basic Sciences, Kottayam, Kerala MG University, Kottayam Kerala State Council for Science Technology and Environment,

Colloquium on “Recent Trends in Organic and Bioorganic Chemistry” Title: Multi-component Domino Reactions Triggered by Knoevenagel Condensation

27-12-2014 Academic Staff College, Madurai Kamaraj University, Madurai, Tamil Nadu

Refresher Course in Chemistry Title: NMR Spectroscopy: Structural Elucidation of Organic Molecules


Refresher Course in Chemistry


Refresher Course in Chemistry Title: NMR Spectroscopy: Structural Elucidation of Organic Molecules

26-08-2011 Fatima College, Madurai,

UGC sponsored National Seminar on “Recent Advances in the Applications of Spectroscopy” Chaired a session to evaluate paper presentation (oral)

01-05-2011 Fatima College, Madurai Chemistry Association Function, Valedictory Address Title: Green Chemistry

CONFERENCE/WORKSHOP/SEMINAR/TRAINING ORGANIZED

Type Name Date(s) Place Role Played Funding Agency

National Current Trends in Organic Synthesis

19-06-2013 MKU, Madurai

Convener DST, New Delhi

BOOK PUBLISHED

Title of the Book /

Chapter

Author Publisher Year ISBN

Number

Comprehensive Heterocyclic Chemistry III – A review of the literature 1995–2007 Chapter: Seven-membered Rings with Three Heteroatoms 1,2,5

R. Ranjith Kumar, S. Perumal and M. Balasubramanian

Elsevier 2008 978-0-08-044992-0

Name Reactions for Homologation, Part 2 Chapter 1: Section 1.1.10. Wolff Rearrangement Section 1.2.1. Beckmann Rearrangement Section 1.3.1. Benzilic acid Rearrangement Section 1.3.6. Payne Rearrangement Section 1.3.7. Smiles Rearrangement Section 1.3.8. Stevens Rearrangement

R. Ranjith Kumar, S. Perumal and M. Balasubramanian

Wiley 2009 978-0-470-46721-3

MEMBERSHIP IN ACADEMIC BODIES

1. Member, Board of Studies, School of Chemistry, Madurai Kamaraj University

2. University Nominee, Board of Studies in Chemistry (UG), Sourashtra College,

Madurai

3. Member, Board of Studies in Chemistry (UG), Lady Doak College, Madurai

4. Member, Project Implementation Group, DST-PURSE Phase II, MKU

5. Member in the committee constituted for the procurement of 400 MHz NMR

spectrometer under DST-FIST grant in Gandhigram Rural University, Dindigul

6. Doctoral Committee Member:

School of Advance Sciences, VIT University, Vellore

Department of Chemistry, Karunya University, Coimbatore

MEMBERSHIP IN PROFESSIONAL BODIES

Life Member – Chemical Research Society of India

Life Member – National Magnetic Resonance Society of India

INTELLECTUAL PROPERTY RIGHTS (Patents): ---

ADMINISTRATIVE EXPERIENCE

Role Played Responsibilities

Period (Month & Year)

Member, IQAC, MKU IQAC related works Since 22 Nov 2018

Member, Core Working

Committee, IQAC

Works related to

NIRF Rankings and University

with Potential for Excellence-

Phase II

Since 19 Dec 2017

Member, Project

Implelemtation Group,

DST-PURSE Phase II

Works repated to

implementation of DST-PURSE

programme

Since July 2017

Exam Co-ordinator,

School of Chemistry,

MKU

Conducting internal assessment

tests, end semester

examinations and

supplementary examinations;

Publishing results

July 2016 to July 2017

In-charge, “Earn While

You Learn” program,

School of Chemistry,

MKU

UGC-University with Potential

for Excellence scheme

2010–2012

In-charge, 300 MHz NMR

Spectrometer, School of

Chemistry, MKU

Maintanance of the instrument Since 2011

CONTACT Name : Dr. R. Ranjith Kumar Department : Department of Organic Chemistry School : School of Chemistry Mobile No : 9655591445 E-Mail Id : [email protected]; [email protected] Ext : ---

dr. r. ranjith kumar prof/ranjith.pdf · 27. ultrasound-assisted sequential multi-component...

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