SYNTHESE ET REACTIVITE D'ARYL ET ALKYL-2 (4H) PYRIDO THIAZINE-1,3 ONES-4
2-Aryl and alkyl pyrido -1,3-thiazine-4(4H)-ones, a class of previously unknown compounds can be conveniently prepared by treatment of the sodium anion of 2-chloronicotinamide with various aromatic and aliphatic thioesters.Their reduction with sodi