The present work relates to a new synthesis process for the preparation of 3-[(1-ethoxycarbonyl-3-phenylpropyl)-amino]-2,3,4,5-tetrahydro-2-oxo-1H-1-benzazepine-1-acetate tert butyl ester(EPTAB),the precursor of benaz...The present work relates to a new synthesis process for the preparation of 3-[(1-ethoxycarbonyl-3-phenylpropyl)-amino]-2,3,4,5-tetrahydro-2-oxo-1H-1-benzazepine-1-acetate tert butyl ester(EPTAB),the precursor of benazepril HCl.The reaction conditions were optimized.The diastereomeric products were separated by flash column chromatography.The structures of the products were characterized with IR and NMR.展开更多
文摘The present work relates to a new synthesis process for the preparation of 3-[(1-ethoxycarbonyl-3-phenylpropyl)-amino]-2,3,4,5-tetrahydro-2-oxo-1H-1-benzazepine-1-acetate tert butyl ester(EPTAB),the precursor of benazepril HCl.The reaction conditions were optimized.The diastereomeric products were separated by flash column chromatography.The structures of the products were characterized with IR and NMR.
