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Abstract
The synthetic potential of our newly synthesized 3-cyano-pyridinethione derivatives (la,b) was further demonstrated via their use to synthesize each of 2-S-ethoxycarbonylmethylpyridines (3a,b), thieno[2,3-b] pyridines (4a,b); (7a,b), pyrido[3′2′4,5]thieno[3,2-clpyridazines (8a,b), 2-methylthiopyridines (9a,b), 2-hydrazinopyridines (lOa,b), 3-aminopyrazolo[3,4-b]pyridines (lla,b), pyrazolo[3,4-blpyridin-3-ylphenylthioureas (12a,b), and 3-diazotized aminopyrazolo[3,4-b]pyridine (13a,b) derivatives via their reactions with the corresponding reagents. Structures of the newly synthesized heterocyclic derivatives were established on the basis of elemental analyses and spectral data studies.