申请人:BEECHAM GROUP PLC
公开号:EP0327223A1
公开(公告)日:1989-08-09
Compounds of formula (I) or pharmaceutically acceptable salts thereof:
wherein:
R₁ is hydrogen, C₁₋₆ alkyl, phenyl or phenyl C₁₋₄ alkyl wherein the phenyl moiety is optionally substituted by one or more C₁₋₆ alkyl, C₁₋₆ alkoxy, C₁₋₆ alkylthio, hydroxy, C₂₋₇ alkanoyl, halo, trifluoromethyl, nitro, amino optionally substituted by one or two C₁₋₆ alkyl groups or by C₂₋₇ alkanoyl, cyano, carbamoyl or carboxy groups;
R₂, R₃ and R₄ are independently selected from hydrogen, C₁₋₆ alkyl, C₁₋₆ alkoxycarbonyl, C₁₋₆ alkylthio, C₂₋₇ alkanoyl, trifluoromethyl, cyano, carbamoyl and carboxy, and phenyl or phenyl C₁₋₄ alkyl in which any phenyl moiety is optionally substituted by C₁₋₆ alkyl, C₁₋₆ alkoxy, C₁₋₆ alkoxycarbonyl, C₁₋₆ alkylthio, hydroxy, C₂₋₇ alkanoyl, chloro, fluoro, trifluoromethyl, nitro or amino optionally substituted by one or two C₁₋₆ alkyl groups or by C₂₋₇ alkanoyl, cyano, carbamoyl and carboxy;
R₅ and R₆ are independently selected from hydrogen, C₁₋₆ alkyl, C₃₋₇ cycloalkyl, C₃₋₇ cycloalkyl-C₁₋₄ alkyl, C₂₋₆ alkenyl, C₁₋₇ alkanoyl, C₁₋₆ alkylsulphonyl, di-(C₁₋₆ alkyl)amino C₁₋₆ alkyl, 3-oxobutyl, 3-hydroxybutyl, phenyl, phenyl C₁₋₄ alkyl, benzoyl, phenyl C₂₋₇ alkanoyl or benzenesulphonyl any of which phenyl moieties are optionally substituted by one or two halogen, C₁₋₆ alkyl, C₁₋₆ alkoxy, CF₃, amino or carboxy, or R₅ and R₆ together are C₂₋₆ polymethylene optionally interrupted by oxygen or NR₈ wherein R₈ is hydrogen or C₁₋₆ alkyl optionally substituted by hydroxy; and -CO₂R₇ is a pharmaceutically acceptable ester group, are provided for use in the treatment or prophylaxis of CNS disorders, in particular anxiety or depression.
式 (I) 的化合物或其药学上可接受的盐:
其中
R₁ 是氢、C₁₋₆ 烷基、苯基或苯基 C₁₋₄ 烷基,其中苯基任选被一个或多个 C₁₋₆ 烷基、C₁₋₆ 烷氧基、C₁₋₆ 烷硫基、羟基、C₂₋₇烷酰基、卤素取代、羟基、C₂₋₇烷酰基、卤代、三氟甲基、硝基、任选被一个或两个 C₁₋₆ 烷基或 C₂₋₇ 烷酰基、氰基、氨基甲酰基或羧基取代的氨基;
R₂、R₃ 和 R₄ 独立选自氢、C₁₋₆ 烷基、C₁₋₆ 烷氧羰基、C₁₋₆ 烷硫基、C₂₋₇ 烷酰基、三氟甲基、氰基、氨基甲酰基和羧基,以及苯基或 C₁₋₄烷基,其中任何苯基可任选被 C₁₋₆烷基取代、C₁₋₆烷氧基、C₁₋₆烷氧羰基、C₁₋₆烷硫基、羟基、C₂₋₇烷酰基、氯、氟、三氟甲基、硝基或氨基任选取代的烷基、硝基或氨基,可任选被一个或两个 C₁₋₆烷基或 C₂₋₇ 烷酰基、氰基、氨基甲酰基和羧基取代;
R₅ 和 R₆ 独立选自氢、C₁₋₆ 烷基、C₃₋₇ 环烷基、C₃₋₇ 环烷基-C₁₋₄ 烷基、C₂₋₆ 烯基、C₁₋₇烷酰基、C₁₋₆ 烷磺酰基、二(C₁₋₆ 烷基)氨基 C₁₋₆ 烷基、3-氧代丁基、3-羟基丁基、苯基、苯基 C₁₋₄ 烷基、苯甲酰基、苯基 C₂₋₇烷酰基或苯磺酰基,其中任何苯基可选择被一个或两个卤素、C₁₋₆烷基、C₁₋₆烷氧基、CF₃、氨基或羧基取代、或 R₅ 和 R₆ 合在一起是 C₂₋₆ 聚亚甲基,可选择被氧或 NR₈ 中断,其中 R₈ 是氢或 C₁₋₆ 烷基,可选择被羟基取代;和-CO₂R₇是药学上可接受的酯基,可用于治疗或预防中枢神经系统疾病,尤其是焦虑症或抑郁症。