Novel 1,5-benzothiazepine derivative of the formula:
wherein R1 is hydrogen or lower alkanoyl and each of R2 and R3 is lower alkyl, and a pharmaceutically acceptable acid addition salt thereof are disclosed.
There is also disclosed a process for preparing the compounds according to formula I, pharmaceutical compositions containing the same as well as the use thereof. Said derivatives according to formula I as well as pharmaceutically acceptable salts thereof are useful as a hypotensive agent and/or a cerebral or coronary vasodilator.
本发明公开了新型 1,5-苯并
硫氮杂卓衍
生物(式中 R1 为氢或低级烷酰基,R2 和 R3 各为低级烷基)及其药学上可接受的酸加成盐。 本发明还公开了制备根据式 I 所述化合物的工艺、含有这些化合物的药物组合物及其用途。 根据式 I 所述的衍
生物及其药学上可接受的盐可用作降压药和/或脑或冠状血管扩张剂。