(Aminoalkoxy-aryl)-substituted isoquinolinones and naphthydrinones and
申请人:Boehringer Ingelheim GmbH
公开号:US04154837A1
公开(公告)日:1979-05-15
Compounds of the formula ##STR1## wherein A is benzo, mono-, di- or tri-substituted benzo, the substituents being selected from the group consisting of lower alkoxy, amino and nitro, or pyrido; R.sub.1 is hydrogen or lower alkyl; R.sub.2 is alkyl of 1 to 6 carbon atoms or --X--R.sub.6, where X is straight alkylene of 1 to 4 carbon atoms or hydroxy-substituted straight alkylene of 1 to 4 carbon atoms; and R.sub.6 is amino; carbalkoxy of 2 to 6 carbon atoms; phenyl; mono-, di- or tri-substituted phenyl, the substituents being selected from the group consisting of lower alkyl and lower alkoxy; phenoxy; or mono-, di- or tri-substituted phenoxy, the substituents being selected from the group consisting of lower alkyl and lower alkoxy; R.sub.3 is hydrogen or hydroxyl; R.sub.4 is hydrogen, lower alkyl or lower alkoxy; R.sub.5 is hydrogen or lower alkyl; and N is 0, 1 or 2; And non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as the salts are useful as antiarrhythmics, .beta.-adrenergic-receptor blockers and anti-anginous agents.