1997 pyridine derivatives

pyridine derivativesR 0380

40 - 169Nitriles in Heterocyclic Synthesis: Synthesis of New Ethyl-Substituted Polyfunctional Hetero-Aromatics. — Propyliden-emalononitrile, prepared in situ from the corresponding aldehyde (I) andmalononitrile (II), reacts with compounds bearing active methylene groups,such as (V) and (VIII), or active hydrogen functions, e.g. (X), to afford novelheterocyclic derivatives. — (ELGHANDOUR, A. H. H.; IBRAHIM, M. K. A.;ALI, F. M. M.; ELSHIKH, S. M. M.; Indian J. Chem., Sect. B: Org. Chem.Incl. Med. Chem. 36 (1997) 1, 79-82; Dep. Chem., Fac. Sci., Cairo Univ., Giza12613, Egypt; EN)

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