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Activated nitriles in heterocyclic synthesis: Novel syntheses of 3H-1,2,4-triazolo-[1,5-a]pyridine derivatives

✍ Scribed by Suzan I. Aziz; Zaghloul E. Kandeel; Mona M. Husein; Salem El Gohary; Eiman I. Abou El Maged

Publisher
John Wiley and Sons
Year
1995
Tongue
English
Weight
311 KB
Volume
6
Category
Article
ISSN
1042-7163

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✦ Synopsis

Abstract

A new route for the synthesis of 3H‐1,2,4‐triazolo[1,5‐a]pyridines 7a–j, 12a,b, and 17a,b utilizing the reaction of the hydrazones of cyanoethanoic acid hydrazide 3a,b with ylidene malononitriles 2a–e, malononitrile, and 3‐aminocrotononitrile is described.

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