申请人:Tanabe Seiyaku Co., Ltd.
公开号:US04072759A1
公开(公告)日:1978-02-07
A compound having the formula: ##STR1## wherein Ring A is monohydroxyphenyl, or a pharmaceutically acceptable acid addition salt thereof is prepared by catalytic hydrogenation of a compound having the formula: ##STR2## wherein A' is monobenzyloxyphenyl, and Y is carbonyl or hydroxymethylene. The compound (I) in which Ring A is 4-hydroxyphenyl or 3-hydroxyphenyl is useful as a cardiotonic agent. On the other hand, the compound (I) in which Ring A is 2-hydroxyphenyl is useful as an anti-diabetic agent.
具有以下式子的化合物:##STR1## 其中环A是单羟基苯基,或其药学上可接受的酸盐加合物,通过催化加氢制备,该化合物具有以下式子:##STR2## 其中A'是单苄氧基苯基,Y是羰基或羟甲基。当环A为4-羟基苯基或3-羟基苯基时,化合物(I)可用作强心剂。另一方面,当环A为2-羟基苯基时,化合物(I)可用作抗糖尿病剂。