Collect. Czech. Chem. Commun. 1993, 58, 1931-1936

Synthesis and Some Reactions of Thieno[2,3-d]pyrimidines and S-Substituted Mercaptopyridines

Ali A. Abdel Hafez, Raga A. Ahmed, Ahmed A. Geies and Hussein S. El-Kashef

Chemistry Department, Faculty of Science, Assiut University, Assiut, Egypt


Ethyl 3-cyano-4,6-diphenyl-2-pyridylthioacetate (II) yielded with hydrazine hydrate hydrazides III, IV that both proved to be versatile compounds for the synthesis of new heterocyclic derivatives. Thus the thieno[2,3-bpyridine derivatives Xa - Xd and XIIa - XIId were obtained.