申请人:Asahi Kasei Kogyo Kabushiki Kaisha
公开号:US04634770A1
公开(公告)日:1987-01-06
This invention relates to novel isoquinolinesulfonamide derivatives of Formula (I): ##STR1## wherein A is a C.sub.0-10 alkylene group or a C.sub.0-10 alkylene group having a C.sub.1-10 alkyl group, a phenyl group, a substituted phenyl group or a phenylalkyl group; R.sub.1 and R.sub.2 each is a hydrogen atom; or R.sub.1 and R.sub.2 are linked directly to form an ethylene group unsubstituted or substituted with a C.sub.1-4 alkyl group; R.sub.3 and R.sub.4 each is a hydrogen atom, a C.sub.1-6 alkyl group or linked directly to form a C.sub.2-6 alkylene group; and the pharmaceutically acceptable acid addition salt thereof, and to a process for preparing them. The isoquinoline derivatives possess a relaxatory action for vascular smooth muscle and action for increasing blood flow and are useful as a vasodilator and a hypotensor.
本发明涉及一种新型异喹啉磺酰胺衍生物,其化学式为(I):##STR1## 其中A是C.sub.0-10烷基或C.sub.0-10烷基,具有C.sub.1-10烷基,苯基,取代苯基或苯基烷基;R.sub.1和R.sub.2各为氢原子;或R.sub.1和R.sub.2直接连接形成未取代或取代有C.sub.1-4烷基的乙烯基;R.sub.3和R.sub.4各为氢原子,C.sub.1-6烷基或直接连接形成C.sub.2-6烷基;以及其药学上可接受的酸加盐,以及制备它们的方法。异喹啉衍生物具有舒张血管平滑肌和增加血流的作用,可用作扩血管剂和降压剂。