申请人:Asahi Kasei Kogyo Kabushiki Kaisha
公开号:US04525589A1
公开(公告)日:1985-06-25
A 5-isoquinolinesulfonyl derivative of Formula (I): ##STR1## wherein l is zero or one; m and n each is an integer of one to nine; m+n is an integer of at least one R.sub.1 is a hydrogen atom, a C.sub.1-10 alkyl group, a C.sub.5-6 cycloalkyl group or an aryl group; or R.sub.2 and R.sub.3 each is a hydrogen atom, a C.sub.1-10 alkyl group, a C.sub.5-6 cycloalkyl group, an aryl group or an aralkyl group; R.sub.2 and R.sub.3 are C.sub.1-6 alkylene groups and linked directly or through an oxygen atom to form a 5- to 7-membered heterocyclic ring with the adjacent nitrogen atom; or the ##STR2## group is a ##STR3## group wherein R.sub.4 and R.sub.5 each is a hydrogen atom, a C.sub.1-10 alkyl group, an aryl group or an aralkyl group and R.sub.6 is a hydrogen atom, a C.sub.1-10 alkyl group, an aryl group, an aralkyl group, a benzoyl group, a cinnamyl group, a cinnamoyl group, a furoyl group or a ##STR4## group wherein R.sub.7 is a C.sub.1-8 alkyl group; and the pharmaceutically acceptable salt thereof; and a process for the preparation thereof. The compounds of this invention have a relaxatory action for vascular smooth muscle and are useful as a vasodilator and a hypotensor.
公式(I)的5-异喹啉磺酰衍生物:##STR1##
其中l为零或一;m和n均为1至9的整数;m+n至少为1的整数;R.sub.1为氢原子,C.sub.1-10烷基,C.sub.5-6环烷基或芳基;或R.sub.2和R.sub.3均为氢原子,C.sub.1-10烷基,C.sub.5-6环烷基,芳基或芳基烷基;R.sub.2和R.sub.3是C.sub.1-6烷基,直接或通过氧原子与相邻的氮原子形成5-至7-成员杂环环;或##STR2##基团是##STR3##基团,其中R.sub.4和R.sub.5均为氢原子,C.sub.1-10烷基,芳基或芳基烷基,R.sub.6为氢原子,C.sub.1-10烷基,芳基,芳基烷基,苯甲酰基,肉桂基,肉桂酰基,呋喃基或##STR4##基团,其中R.sub.7为C.sub.1-8烷基;以及其药学上可接受的盐;以及其制备过程。该发明化合物对血管平滑肌具有松弛作用,可用作扩血管剂和降压剂。