申请人:John Wyeth & Brother Limited
公开号:US04061641A1
公开(公告)日:1977-12-06
The invention provides compounds of general formula I ##STR1## and pharmaceutically acceptable acid addition and quaternary ammonium salts thereof, wherein R represents hydrogen or lower alkyl, R.sup.1 represents hydrogen or lower alkyl, R.sup.2 represents hydrogen or lower alkyl, R.sup.3 represents hydrogen, halogen, lower alkoxy, hydroxy, or lower alkyl, R.sup.4 represents hydrogen, lower alkyl, cycloalkyl of 5 to 7 carbon atoms, thienyl, furyl, phenyl; phenyl mono- or disubstituted by halogen, lower alkyl, lower alkoxy, hydroxy or trifluoromethyl; or benzoyl, halobenzoyl, lower alkanoyl, cycloalkanoyl of 6 to 8 carbon atoms, or thienoyl, A represents an alkylene, mono- or diketo- or hydroxy-alkylene radical having from 1 to 5 carbon atoms and X is oxygen or sulphur. The compounds exhibit action on the cardiovascular system particularly hypotensive and/or anti-hypertensive activity.
本发明提供一般式I的化合物及其药学上可接受的酸加合物和季铵盐,其中R代表氢或较低的烷基,R.sup.1代表氢或较低的烷基,R.sup.2代表氢或较低的烷基,R.sup.3代表氢、卤素、较低的烷氧基、羟基或较低的烷基,R.sup.4代表氢、较低的烷基、5至7个碳原子的环烷基、噻吩基、呋喃基、苯基;苯基单取代或双取代的卤素、较低的烷基、较低的烷氧基、羟基或三氟甲基;或苯甲酰基、卤代苯甲酰基、较低的烷酰基、6至8个碳原子的环烷酰基或噻吩酰基,A代表含有1至5个碳原子的烷基、单或双酮基或羟基烷基基团,X为氧或硫。这些化合物表现出对心血管系统的作用,特别是降低血压和/或抗高血压活性。