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    • 10. 发明授权
    • Isoquinolinesulfonamide derivatives
    • 异喹啉磺酰胺衍生物
    • US4634770A
    • 1987-01-06
    • US548722
    • 1983-11-04
    • Hiroyoshi HidakaTakanori Sone
    • Hiroyoshi HidakaTakanori Sone
    • A61K31/47A61K31/472A61P9/08A61P9/12C07D217/02C07D401/12
    • C07D401/12C07D217/02Y02P20/55
    • 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.
    • 本发明涉及式(I)的新型异喹啉磺酰胺衍生物:其中A是C0-10亚烷基或具有C1-10烷基的C0-10亚烷基,苯基,取代苯基 基团或苯基烷基; R1和R2各自为氢原子; 或R 1和R 2直接连接形成未被取代或被C 1-4烷基取代的亚乙基; R 3和R 4各自为氢原子,C 1-6烷基或直接连接以形成C 2-6亚烷基; 及其药学上可接受的酸加成盐及其制备方法。 异喹啉衍生物具有血管平滑肌的松弛作用和增加血流量的作用,可用作血管扩张剂和低血压。