申请人:American Home Products Corporation
公开号:US05780505A1
公开(公告)日:1998-07-14
The compounds of the formula: ##STR1## wherein R.sub.1 is straight chain alkyl, branched chain alkyl, cycloalkyl, hydroxyalkyl, fluoroalkyl or polyfluoroalkyl; R.sub.7 and R.sub.8 are, independently, hydrogen or an acyl substituent selected from the group consisting of formyl, alkanoyl, alkenoyl, alkoxycarbonyl, alkylsulfonyl, aroyl, arylalkenoyl, arylsulfonyl, arylalkanoyl or arylalkylsulfonyl; A is a phenyl group with either two or three substituents of the following formula: ##STR2## wherein the positions of substitution are R.sub.2,R.sub.3 -, R.sub.2,R.sub.4 -, R.sub.2,R.sub.5 -, R.sub.2,R.sub.6 -, R.sub.3,R.sub.4 -, R.sub.3,R.sub.5 -, and R.sub.2,R.sub.4,R.sub.6 - and R.sub.2 is methyl, ethyl, fluoro, chloro, methoxy or trifluoromethyl; R.sub.3 is methyl, ethyl, fluoro, chloro, methoxy or trifluoromethyl; R.sub.4 is methyl, fluoro, bromo, methoxy or cyano; R.sub.5 is methyl, fluoro, chloro, methoxy, cyano or trifluoromethyl; R.sub.6 is methyl, fluoro, chloro, or methoxy; or a pharmaceutically acceptable salt thereof, relax smooth muscles.
该化合物的配方为:##STR1## 其中R.sub.1是直链烷基,支链烷基,环烷基,羟基烷基,氟烷基或多氟烷基; R.sub.7和R.sub.8分别是氢或酰基取代基,所述酰基取代基被选自以下群组:甲酰基,脂肪酰基,烯酰基,烷氧羰基,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; A是苯基,其具有以下公式的两个或三个取代基:##STR2## 其中取代位点为R.sub.2,R.sub.3-,R.sub.2,R.sub.4-,R.sub.2,R.sub.5-,R.sub.2,R.sub.6-,R.sub.3,R.sub.4-,R.sub.3,R.sub.5-和R.sub.2,R.sub.4,R.sub.6-,R.sub.2是甲基,乙基,氟,氯,甲氧基或三氟甲基; R.sub.3是甲基,乙基,氟,氯,甲氧基或三氟甲基; R.sub.4是甲基,氟,溴,甲氧基或氰基; R.sub.5是甲基,氟,氯,甲氧基,氰基或三氟甲基; R.sub.6是甲基,氟,氯或甲氧基; 或其药学上可接受的盐,可使平滑肌松弛。