申请人:Sandoz Ltd.
公开号:US04045572A1
公开(公告)日:1977-08-30
This invention provides new compounds of formula I, ##STR1## wherein R.sub.1 and R.sub.2 are independently hydrogen, halogen, trifluoromethyl, lower alkoxy or lower alkyl, R.sub.3 is hydrogen, lower alkyl, lower hydroxyalkyl, or phenylalkyl of 7 to 10 carbon atoms, wherein the phenyl ring is unsubstituted or mono-substituted, or independently di-substituted, by halogen, lower alkyl, lower alkoxy, amino, lower alkylamino or di(lower alkyl)amino, and R.sub.4 is hydrogen, lower alkyl or lower hydroxyalkyl, Useful as anti-arrhythmics and anti-depressants.
这项发明提供了公式I的新化合物,其中R.sub.1和R.sub.2分别是氢、卤素、三氟甲基、低烷氧基或低烷基,R.sub.3是氢、低烷基、低羟基烷基或7至10个碳原子的苯基烷基,其中苯环未取代或单取代,或独立地双取代,取代基为卤素、低烷基、低烷氧基、氨基、低烷基氨基或二(低烷基)氨基,而R.sub.4是氢、低烷基或低羟基烷基。可用作抗心律失常药和抗抑郁药。