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Ham, Won-Hun,Yang, Jae-Gwon,Lim, Tae-Gyun,Jung, Yun-Ho,Chung, Yun-Sung The Pharmaceutical Society of Korea 1994 Archives of Pharmacal Research Vol.17 No.2
The synthesis of 3a, 3b, 7a fro Benzpthiazepinone and 1,4-dihyropyridine derivatives is described. Benzothiazepinone nad 1,4-dihydropyridine derivatives were prepared according to literature procedure. The key reactions involve esterification and amidation of benzothize-pinone nad 1,4-dihydropyridine derivatives.