Novel 1,5-benzothiazepine derivative, processes for preparing the same and pharmaceutical compositions
申请人:Tanabe Seiyaku Co., Ltd.
公开号:EP0158340A2
公开(公告)日:1985-10-16
Novel 1,5-benzothiazepine derivatives of the formula:
wherein R' and R4 are:
a) R1 is lower alkyl or lower alkoxy, and R4 is lower alkyl, lower alkoxy, fluorine, benzyloxy, hydroxy or lower alkylthio, or
b) R' is lower alkyl, and R4 is hydrogen, or
c) R' is hydroxy, and R4 is lower alkyl, fluorine, hydroxy or lower alkylthio;
R2 is hydrogen, lower alkanoyl or benzoyl; and R3 is lower alkyl; and a pharmaceutically acceptable acid addition salt thereof are disclosed. In form of pharmaceutical compositions the said derivative (I) and its salt have a potent platelet aggregation-inhibiting activity.
式中的新型 1,5-苯并硫氮杂卓衍生物:
其中 R' 和 R4 是
a) R1 是低级烷基或低级烷氧基,R4 是低级烷基、低级烷氧基、氟、苄氧基、羟基或低级烷硫基,或
b) R' 是低级烷基,R4 是氢,或
c) R' 是羟基,R4 是低级烷基、氟、羟基或低级烷硫基;
R2 是氢、低级烷酰基或苯甲酰基;R3 是低级烷基;及其药学上可接受的酸加成盐。在药物组合物中,上述衍生物(I)及其盐具有强效的血小板聚集抑制活性。