申请人:Merrell Pharmaceuticals, Inc.
公开号:US05541201A1
公开(公告)日:1996-07-30
The invention is directed to a new class of antiarrhythmic agents of the formula: ##STR1## in which R is represented by hydrogen, halogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, CF.sub.3, SR.sub.1, NHC(O)R.sub.2, NH.sub.2, or OH; R.sub.1 is hydrogen or C.sub.1-4 alkyl; R.sub.2 is C.sub.1-4 alkyl; X is represented by CO or CHOH; R.sub.3 and R.sub.4 are each independently represented by methyl, ethyl, n-propyl, or R.sub.3 and R.sub.4 together with the carbon atom to which they each are attached form a C.sub.5 or C.sub.6 cycloalkyl; and Alk is a C.sub.1-4 alkyl; or a pharmaceutically acceptable addition salt thereof.
本发明涉及一类新型抗心律失常药物,其化学式为:##STR1## 其中,R代表氢、卤素、C.sub.1-4 烷基、C.sub.1-4 烷氧基、CF.sub.3、SR.sub.1、NHC(O)R.sub.2、NH.sub.2 或 OH;R.sub.1代表氢或C.sub.1-4 烷基;R.sub.2代表C.sub.1-4 烷基;X代表CO或CHOH;R.sub.3和R.sub.4分别独立地代表甲基、乙基、正丙基,或R.sub.3和R.sub.4与它们各自附着的碳原子形成一个C.sub.5或C.sub.6环烷基;Alk代表C.sub.1-4 烷基;或其药学上可接受的盐。