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.
式为##STR1##的化合物,其中A为苯基,单取代、双取代或三取代苯基,取代基选自较低的烷氧基、氨基和硝基,或吡啶基;R.sub.1为氢或较低的烷基;R.sub.2为1至6个碳原子的烷基或--X--R.sub.6,其中X为1至4个碳原子的直链烷基或1至4个碳原子的羟基取代的直链烷基;R.sub.6为氨基;2至6个碳原子的羰基烷氧基;苯基;单取代、双取代或三取代苯基,取代基选自较低的烷基和较低的烷氧基;苯氧基;或单取代、双取代或三取代苯氧基,取代基选自较低的烷基和较低的烷氧基;R.sub.3为氢或羟基;R.sub.4为氢、较低的烷基或较低的烷氧基;R.sub.5为氢或较低的烷基;N为0、1或2;以及其非毒性、药理学上可接受的酸盐。这些化合物以及盐被用作抗心律失常、β-肾上腺素受体阻滞剂和抗心绞痛药物。