申请人:Asahi Kasei Kogyo Kabushiki Kaisha
公开号:EP0046572A2
公开(公告)日:1982-03-03
A 6-quinazolinesulfonyl derivative of Formula (I):
wherein
R1 is a hydrogen atom or a C1-12 alkyl group:
R2 is a hydrogen atom, a C1-12 alkyl group, a C4-10 cycloalkyl group, an aryl group or an aralkyl group; and
R1 and R2 may be linked directly or through an oxygen atom to form a 5- to 7-membered heterocyclic ring together with the adjacent nitrogen atom; and
R3 is a
group wherein R is a C1-8 alkyl group; a -NH(CH2)nNH2 group wherein n is an integer of 2 to 10; or a
group; and the pharmaceutically acceptable salts 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.
式(I)的 6-喹唑啉磺酰基衍生物:
其中
R1 是氢原子或 C1-12 烷基:
R2 是氢原子、C1-12 烷基、C4-10 环烷基、芳基或芳烷基;以及
R1 和 R2 可直接连接或通过氧原子连接,与相邻的氮原子一起形成 5 至 7 元杂环;以及
R3 是一个
其中 R 是 C1-8 烷基;-NH(CH2)nNH2 基团,其中 n 是 2-10 的整数;或一个基团。
基团;及其药学上可接受的盐;以及其制备方法。本发明的化合物对血管平滑肌具有松弛作用,可用作血管扩张剂和降压剂。