申请人:American Home Products Corporation
公开号:US05506252A1
公开(公告)日:1996-04-09
The compounds of the formula: ##STR1## wherein: R.sub.1 and R.sub.2 are, independently, hydrogen, straight or branched chain alkyl or mono- or bi-cyclic alkyl; A is a substituted phenyl group containing one cyano substituent and one substituent selected from cyano, nitro, alkyl, perfluoroalkyl, alkoxy, perfluoroalkoxy, amino, alkylamino, dialkylamino, sulfamyl, alkylsulfonamido, arylsulfonamido, alkylcarboxamido, arylcarboxamido, alkylsulfonyl, perfluoroalkylsulfonyl, arylsulfonyl, chloro, bromo, fluoro, iodo, 1-imidazolyl or carboxyl; or a pharmaceutically acceptable salt thereof, are smooth muscle relaxants.
该式化合物:##STR1##其中:R.sub.1和R.sub.2分别为氢、直链或支链烷基或单环或双环烷基;A为含有一个氰基取代基和一个从氰基、硝基、烷基、全氟烷基、烷氧基、全氟烷氧基、氨基、烷基氨基、二烷基氨基、磺胺基、烷基磺酰胺基、芳基磺酰胺基、烷基羧酰胺基、芳基羧酰胺基、烷基磺酰基、全氟烷基磺酰基、芳基磺酰基、氯、溴、氟、碘、1-咪唑基或羧基中选择的一个取代基的取代苯基;或其药学上可接受的盐,是平滑肌松弛剂。