申请人:Boehringer Ingelheim GmbH
公开号:US04137318A1
公开(公告)日:1979-01-30
Compounds of the formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.6, which may be identical to or different from each other, are each hydrogen or lower alkyl; R.sub.3 is lower alkoxy; R.sub.4 is lower alkoxy or, together with R.sub.3, methylenedioxy or ethylenedioxy; R.sub.5 is hydrogen, lower alkyl or benzyl; R.sub.7 is hydrogen or lower alkoxy; R.sub.8 is hydrogen, lower alkoxy or, together with R.sub.7, methylenedioxy or ethylenedioxy; M is 1 or 2; and N is 2 or 3; And non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as their salts are useful as antihypertensives and heart rate reducers.
化合物的式子为##STR1##其中R.sub.1,R.sub.2和R.sub.6可以相同也可以不同,分别为氢或低碳基;R.sub.3为低碳氧基;R.sub.4为低碳氧基,或者与R.sub.3一起为亚甲二氧基或乙二氧基;R.sub.5为氢,低碳基或苄基;R.sub.7为氢或低碳氧基;R.sub.8为氢,低碳氧基或者与R.sub.7一起为亚甲二氧基或乙二氧基;M为1或2;N为2或3;以及其非毒性、药理学上可接受的酸加盐。这些化合物及其盐对于降压和减慢心率非常有用。