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Synthesis and Reactions of New Thienopyridines, Pyridothieniopyrimidines and Pyridothienotriazines
Bakhite, E.A.,Abdel Rahman, A.E.,Mohamed, O.S.,Thabet, E.A. Korean Chemical Society 2002 Bulletin of the Korean Chemical Society Vol.23 No.12
4-Aryl-3-cyano-6-(2'-thienyl)-pyridine-2(1H)-thiones(1a-c) were reacted with phenacyl bromide, chloro-N-arylacetanmides or 2-chloroacetylaminopyridine to furnish 2-functionalized 3-amino-4-aryl-6-(2'-thienyl)-thieno[2,3-b]pyridines 4a-c and 5a-c or 5d respecitively. The compounds 5a-d underwent different sequence of reactions to produce a variety of thienylpyridothienopyrimidines and, thienylpyridothienotriazines. Some of the prepared compounds were tested in vitro for their antimicrobial activities.