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    • 2. 发明授权
    • Heterocyclymethylamino derivatives of cyclobutene-3,4-diones
    • 环丁烯-3,4-二酮的杂环甲基氨基衍生物
    • US5872139A
    • 1999-02-16
    • US873132
    • 1997-06-10
    • David R. HerbstJohn A. ButeraRussell F. Graceffa
    • David R. HerbstJohn A. ButeraRussell F. Graceffa
    • C07D213/38C07D307/81C07D307/82A61K31/34A61K31/44C07D213/50
    • C07D307/82C07D213/38C07D307/81
    • The compounds of the formula: ##STR1## wherein R.sub.1 and R.sub.2 are, independently, hydrogen, straight chain alkyl, branched chain alkyl, cycloalkyl, bicycloalkyl or aralkyl, wherein the aromatic moiety of the aralkyl group may be optionally substituted with one to three straight chain alkyl, halogen, nitro, cyano, alkoxy, alkoxycarbonyl, trifluoromethyl or trifluoromethoxy groups; R.sub.3 is hydrogen, formyl, alkanoyl, alkenoyl, alkylsulfonyl, aroyl, arylalkenoyl, arylsulfonyl, arylalkanoyl or arylalkylsulfonyl; A is selected from the group consisting of: ##STR2## wherein n is 0 or 1; R.sub.4, R.sub.5 and R.sub.6 are, independently, cyano, nitro, amino, alkyl, perfluoroalkyl, alkoxy, perfluoroalkoxy, alkylamino, dialkylamino, sulfamyl, alkylsulfonamido, arylsulfonamido, alkylcarboxamido, arylcarboxamido, alkanoyl, alkylsulfonyl, perfluoroalkylsulfonyl, arylsulfonyl, chloro, bromo, fluoro, iodo, 1-imidazolyl, carboxyl or hydrogen; or a pharmaceutically acceptable salt thereof, relax smooth muscles.
    • 下式的化合物:其中R 1和R 2独立地是氢,直链烷基,支链烷基,环烷基,双环烷基或芳烷基,其中芳烷基的芳族部分可以任选地被一个 三个直链烷基,卤素,硝基,氰基,烷氧基,烷氧基羰基,三氟甲基或三氟甲氧基; R 3是氢,甲酰基,烷酰基,烯酰基,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; A选自由以下组成的组: 其中n为0或1; R 4,R 5和R 6独立地是氰基,硝基,氨基,烷基,全氟烷基,烷氧基,全氟烷氧基,烷基氨基,二烷基氨基,氨基磺酰基,烷基磺酰氨基,芳基磺酰氨基,烷基羧酰氨基,芳基羧酰氨基,烷酰基,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,羧基或氢; 或其药学上可接受的盐,使平滑肌松弛。