申请人:Beecham Group p.l.c.
公开号:US04952584A1
公开(公告)日:1990-08-28
A compound of formula (I) or a pharmaceutically acceptable salt thereof: ##STR1## wherein: R.sub.1 is hydrogen, C.sub.1-6 alkyl, phenyl or phenyl C.sub.1-4 alkyl wherein the phenyl moiety is optionally substituted by one or more C.sub.1-6 alkyl, C.sub.1-6 alkoxy, C.sub.1-6 alkylthio, hydroxy, C.sub.2-7 alkanoyl, halo, trifluoromethyl, nitro, amino optionally substituted by one or two C.sub.1-6 alkyl groups or by C.sub.2-7 alkanoyl, cyano, carbamoyl or carboxy groups; R.sub.2, R.sub.3 and R.sub.4 are independently selected from hydrogen, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, C.sub.1-6 alkoxycarbonyl, C.sub.1-6 alkylthio, hydroxy, C.sub.2-7 alkanoyl, chloro, fluoro, trifluoromethyl, nitro, amino optionally substituted by one or two C.sub.1-6 alkyl groups or by C.sub.2-7 alkanoyl, cyano, carbamoyl and carboxy, and phenyl, phenyl C.sub.1-4 alkyl or phenyl C.sub.1-4 alkoxy in which any phenyl moiety is optionally substituted by any of these groups; R.sub.5 and R.sub.6 are independently selected from hydrogen, C.sub.1-6 alkyl, C.sub.3-7 cycloalkyl, C.sub.3-7 cycloalkyl-C.sub.1-4 alkyl, C.sub.2-6 alkenyl, C.sub.1-7 alkanoyl, C.sub.1-6 alkylsulphonyl, di-(C.sub.1-6 alkyl)amino C.sub.1-6 alkyl, 3-oxobutyl, 3-hydroxybutyl, phenyl, phenyl C.sub.1-4 alkyl, benzoyl, phenyl C.sub.2-7 alkanoyl or benzenesulphonyl any of which phenyl moieties are optionally substituted by one or two halogen, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, CF.sub.3, amino or carboxy, or R.sub.5 and R.sub.6 together are C.sub.2-6 polymethylene optionally interrupted by oxygen or NR.sub.9 wherein R.sub.9 is hydrogen or C.sub.1-6 alkyl optionally substituted by hydroxy; R.sub.7 is hydrogen, C.sub.1-6 alkyl, C.sub.3-6 cycloalkyl, C.sub.3-6 cycloalkyl-C.sub.1-4 alkyl, C.sub.2-6 alkenyl or C.sub.2-6 alkynyl; and --CO.sub.2 R.sub.8 is a pharmaceutically acceptable ester group, processes for its preparation and its use for the treatment or prophylaxis of anxiety or depression.
化合物式(I)或其药学上可接受的盐:##STR1##
其中:R.sub.1是氢、C.sub.1-6烷基、苯基或苯基C.sub.1-4烷基,其中苯基部分可选择性地被一个或多个C.sub.1-6烷基、C.sub.1-6烷氧基、C.sub.1-6烷基硫基、羟基、C.sub.2-7烷酰基、卤、三氟甲基、硝基、氨基(可选择性地被一个或两个C.sub.1-6烷基或C.sub.2-7烷酰基取代)、氰基、氨基甲酰基或羧基取代;R.sub.2、R.sub.3和R.sub.4独立选择自氢、C.sub.1-6烷基、C.sub.1-6烷氧基、C.sub.1-6烷氧羰基、C.sub.1-6烷基硫基、羟基、C.sub.2-7烷酰基、氯、氟、三氟甲基、硝基、氨基(可选择性地被一个或两个C.sub.1-6烷基或C.sub.2-7烷酰基取代)、氰基、氨基甲酰基和羧基、苯基、苯基C.sub.1-4烷基或苯基C.sub.1-4烷氧基,其中任何苯基部分可选择性地被任何这些基团之一取代;R.sub.5和R.sub.6独立选择自氢、C.sub.1-6烷基、C.sub.3-7环烷基、C.sub.3-7环烷基-C.sub.1-4烷基、C.sub.2-6烯基、C.sub.1-7烷酰基、C.sub.1-6烷基磺酰基、二-(C.sub.1-6烷基)氨基C.sub.1-6烷基、3-氧代丁基、3-羟基丁基、苯基、苯基C.sub.1-4烷基、苯甲酰基、苯基C.sub.2-7烷酰基或苯磺酰基,其中任何苯基部分可选择性地被一个或两个卤、C.sub.1-6烷基、C.sub.1-6烷氧基、CF.sub.3、氨基或羧基取代,或R.sub.5和R.sub.6一起是C.sub.2-6聚亚甲基,可选择性地被氧或NR.sub.9中断,其中R.sub.9是氢或C.sub.1-6烷基,可选择性地被羟基取代;R.sub.7是氢、C.sub.1-6烷基、C.sub.3-6环烷基、C.sub.3-6环烷基-C.sub.1-4烷基、C.sub.2-6烯基或C.sub.2-6炔基;和--CO.sub.2R.sub.8是药学上可接受的酯基,其制备方法及其用于治疗或预防焦虑或抑郁症的用途。