申请人:OTSUKA PHARMACEUTICAL CO., LTD.
公开号:EP0503099A1
公开(公告)日:1992-09-16
A pyrimidine derivative represented by general formula (I), a pharmaceutically acceptable salt thereof, and an androgen inhibitor comprising the same having an excellent effect of treating prostatic hyperplasia, female hypertrichosis, and male baldness or pimple: wherein R¹ represents hydrogen or hydroxyl; R² represents hydrogen, lower alkoxycarbonyl, lower alkoxy, halogen, lower alkyl, C₃ to C₈ cycloalkyl, lower alkoxycarbonyl lower alkyl, carboxyl, carboxylated lower alkyl, CONHR, cyano, phenyl, phenylated lower alkyl, lower alkanoyloxy lower alkyl, benzoyl, lower alkanoyl or hydroxylated lower alkyl; R³ represents hydrogen, hydroxy, lower alkyl, C₃ to C₈ cycloalkyl, halogenated lower alkyl or phenyl; R⁴ represents hydrogen, lower alkyl or lower alkoxy, R⁵ represents hydrogen, lower alkyl, lower alkoxy lower alkyl or halogenated lower alkyl.
一种由通式(I)代表的嘧啶衍生物、其药学上可接受的盐,以及由其组成的雄激素抑制剂,具有治疗前列腺增生、女性多毛症、男性秃头或丘疹的良好效果:其中,R¹代表氢或羟基;R²代表氢、低级烷氧基羰基、低级烷氧基、卤素、低级烷基、C₃至C₈环烷基、低级烷氧基羰基低级烷基、羧基、羧化低级烷基、CONHR、氰基、苯基、苯基化低级烷基、低级烷酰氧基低级烷基、苯甲酰基、低级烷酰基或羟化低级烷基;R³ 代表氢、羟基、低级烷基、C₃至 C₈ 环烷基、卤代低级烷基或苯基;R⁴ 代表氢、低级烷基或低级烷氧基,R⁵ 代表氢、低级烷基、低级烷氧基低级烷基或卤代低级烷基。