申请人:Burroughs Wellcome Co.
公开号:US05194450A1
公开(公告)日:1993-03-16
The present invention is concerned with compounds of formula (I) ##STR1## wherein R.sup.1 is hydrogen or C.sub.1-4 alkoxy; R.sub.2 is carbonyl, hydroxymethylene, or methylene; and R.sub.3 is hydrogen or hydroxy; and salts thereof, provided that when R.sub.1 is hydrogen and R.sub.2 is carbonyl, R.sub.3 is not hydroxy, with processes for preparing same and with their use in medicine for the treatment of hypertension.
本发明涉及式(I)的化合物:##STR1## 其中R1是氢或C1-4烷氧基;R2是羰基、羟甲基或亚甲基;R3是氢或羟基;以及其盐,但当R1是氢且R2是羰基时,R3不是羟基。本发明还涉及制备这些化合物的方法,以及它们在医学上用于治疗高血压的用途。