申请人:Boehringer Ingelheim GmbH
公开号:US04038407A1
公开(公告)日:1977-07-26
Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen, lower alkyl or phenyl, R.sub.2 is hydrogen, chlorine or methoxy, R.sub.3 is hydrogen or methoxy, R.sub.2 and R.sub.3, together with each other, are methylenedioxy or ethylenedioxy, R.sub.4 and R.sub.5 are each hydrogen or lower alkyl, R.sub.6 is hydrogen or lower alkoxy, R.sub.7 is lower alkoxy, R.sub.6 and R.sub.7, together with each other, are methylenedioxy or ethylenedioxy, X is carbonyl or sulfonyl, and n is 2 or 3, And non-toxic, pharmacologically acceptable acid addition salts thereof; the compounds as well as the salts are useful for slowing the heart rate.
化合物的公式为##STR1##其中R.sub.1是氢,低碳基或苯基,R.sub.2是氢,氯或甲氧基,R.sub.3是氢或甲氧基,R.sub.2和R.sub.3彼此结合,是亚甲二氧基或乙二氧基,R.sub.4和R.sub.5均为氢或低碳基,R.sub.6是氢或低烷氧基,R.sub.7是低烷氧基,R.sub.6和R.sub.7彼此结合,是亚甲二氧基或乙二氧基,X是羰基或磺酰基,n为2或3,以及其无毒的、药理学上可接受的酸盐;这些化合物以及盐对于减缓心率是有用的。