申请人:American Home Products Corporation
公开号:US05512585A1
公开(公告)日:1996-04-30
The compound of the formula: ##STR1## wherein: R.sub.1 and R.sub.2 are, independent from each other, hydrogen, C.sub.1-10 straight chain alkyl, C.sub.1-10 branched alkyl, or C.sub.3-10 cyclic or bicyclic alkyl; R.sub.3 is an acyl substituent selected from the group consisting of formyl, alkanoyl of 2 to 7 carbon atoms, alkenoyl of 3 to 7 carbon atoms, alkylsulfonyl of 1 to 7 carbon atoms, aroyl of 7 to 12 carbon atoms, arylalkenoyl of 9 to 20 carbon atoms, arylsulfonyl of 6 to 12 carbon atoms, arylalkanoyl of 8 to 12 carbon atoms or arylalkylsulfonyl of 7 to 12 carbon atoms; A is selected from the group consisting of: ##STR2## wherein: R.sub.4 is hydrogen, C.sub.1-6 alkyl, C.sub.1-6 perfluoroalkyl, C.sub.1-6 alkoxy, C.sub.1-6 perfluoroalkoxy, amino, C.sub.1-6 alkylamino, C.sub.2-12 dialkylamino, C.sub.1-6 alkylsulfonamido, alkylcarboxamido containing 2 to 7 carbon atoms, nitro, cyano or carboxyl; or a pharmaceutically acceptable salt thereof, are smooth muscle relaxants.
该公式的化合物为:##STR1## 其中:R.sub.1 和 R.sub.2 是独立的,可以是氢、C.sub.1-10直链烷基、C.sub.1-10支链烷基,或C.sub.3-10环状或双环烷基;R.sub.3 是从以下群组中选择的酰基取代基,包括甲酰基、2至7个碳原子的烷酰基、3至7个碳原子的烯酰基、1至7个碳原子的烷基磺酰基、7至12个碳原子的芳酰基、9至20个碳原子的芳基烯酰基、6至12个碳原子的芳基磺酰基、8至12个碳原子的芳基烷酰基或7至12个碳原子的芳基烷基磺酰基;A 从以下群组中选择:##STR2## 其中:R.sub.4 是氢、C.sub.1-6烷基、C.sub.1-6全氟烷基、C.sub.1-6烷氧基、C.sub.1-6全氟烷氧基、氨基、C.sub.1-6烷基氨基、C.sub.2-12二烷基氨基、C.sub.1-6烷基磺酰胺基、含有2至7个碳原子的烷基羧酰胺基、硝基、氰基或羧基;或其药学上可接受的盐,是平滑肌松弛剂。