申请人:American Home Products Corporation
公开号:US05532245A1
公开(公告)日:1996-07-02
The compounds of the formula: ##STR1## wherein R.sub.1 is hydrogen, straight or branched chain alkyl, cyclic or bicyclic alkyl, alkanoyl, alkylsulfonyl, aroyl, arylalkenoyl, arylsulfonyl, arylalkanoyl or arylalkylsulfonyl; R.sub.2 is hydrogen, straight or branched chain alkyl or cyclic or bicyclic alkyl; A is selected from the following: ##STR2## wherein R.sub.9 is hydrogen, alkyl, perfluoroalkyl, alkoxy, perfluoroalkoxy, amino, mono- or dialkylamino, alkylsulfonamido, alkylcarboxamido, nitro, cyano, carboxyl, chloro, bromo, fluoro or iodo; n is an integer from 0 to 6; R.sub.3 and R.sub.4, independent from each other, are hydrogen, straight or branched chain alkyl, cyclic or bicyclic alkyl, perfluoroalkyl, hydroxyalkyl, alkoxyalkyl, fluoro, or, when taken together, form a spirocyclic ring; R.sub.5 and R.sub.6, independent from each other, are selected from the following: cyano, nitro, amino, alkyl, perfluoroalkyl, alkoxy, perfluoroalkoxy, mono- or dialkylamino, sulfonamide, alkylsulfonamido, arylsulfonamido, alkylcarboxamido, arylcarboxamido, alkylsulfonyl, perfluoroalkylsulfonyl, arylsulfonyl, chloro, bromo, fluoro, iodo, 1-imidazolyl, carboxyl, carboalkoxy, hydroxyl, or hydrogen; and the pharmaceutically acceptable salts thereof relax smooth muscles.
化合物的公式:##STR1## 其中R.sub.1是氢,直链或支链烷基,环状或双环烷基,烷酰基,烷基磺酰基,芳酰基,芳基烯酰基,芳基磺酰基,芳基烷酰基或芳基烷基磺酰基; R.sub.2是氢,直链或支链烷基或环状或双环烷基; A从以下中选择:##STR2## 其中R.sub.9是氢,烷基,全氟烷基,烷氧基,全氟烷氧基,氨基,单烷基或二烷基氨基,烷基磺酰胺,烷基羧酰胺,硝基,氰基,羧基,氯,溴,氟或碘; n是0到6的整数; R.sub.3和R.sub.4,彼此独立,是氢,直链或支链烷基,环状或双环烷基,全氟烷基,羟基烷基,烷氧基烷基,氟或当一起时,形成螺环; R.sub.5和R.sub.6,彼此独立,从以下中选择:氰基,硝基,氨基,烷基,全氟烷基,烷氧基,全氟烷氧基,单烷基或二烷基氨基,磺酰胺,烷基磺酰胺,芳基磺酰胺,烷基羧酰胺,芳基羧酰胺,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,羧基,羧基烷氧基,羟基或氢;及其药学上可接受的盐可使平滑肌松弛。