申请人:USV Pharmaceutical Corporation
公开号:US04264505A1
公开(公告)日:1981-04-28
Compounds of the formula ##STR1## wherein R is lower alkyl, phenyl, lower alkenyl, cycloalkyl and substituted phenyl; R.sub.1 is hydrogen, lower alkyl, lower alkenyl, lower alkoxy, amino, lower alkylamino, hydroxy, halo, nitro, mercapto, trifluoromethyl, lower alkylmercapto, and trifluoromethylmercapto; R.sub.2, R.sub.3 are lower alkyl or taken together with N form a cyclic amine; X is O or S, and n is an integer from 2 to 4 are useful in treatment of arrhythmia.
分子式为##STR1##的化合物,其中R是较低烷基,苯基,较低烯基,环烷基和取代苯基; R.sub.1是氢,较低烷基,较低烯基,较低烷氧基,氨基,较低烷基氨基,羟基,卤素,硝基,巯基,三氟甲基,较低烷基硫基和三氟甲基硫基; R.sub.2,R.sub.3是较低烷基或与N一起形成环状胺; X是O或S,n是2到4的整数,可用于治疗心律失常。