申请人:Otsuka Pharmaceutical Co., Ltd.
公开号:US05420128A1
公开(公告)日:1995-05-30
The invention discloses a pyrimidien derivative expressed in Formula [I]: ##STR1## where R.sup.1 denotes a hydrogen atom or hydroxyl group, R.sup.2 denotes a hydrogen atom, lower alkoxycarbonyl group, lower alkoxy group, halogen atom, lower alkyl group, cycloalkyl group with 3 to 8 carbon atoms, lower alkoxycarbonyl lower alkyl group, carboxyl group, carboxy lower alkyl group, group: --CONHR.sup.6 (R.sup.6 represents a hydrogen atom, a phenyl group, which may possess halogen atom, or lower alkyl group), cyano group, phenyl group which may possess a group selected from the group consisting of hydroxyl group, halogen atom, lower alkyl group, lower alkoxy group and phenylthio group as a substituent, phenyl lower alkyl group which may possess a group selected from the group consisting of hydroxyl group and lower alkoxy group as a substituent on a phenyl ring, lower alkanoyloxy lower alkyl group, benzoyl group, lower alkanoyl group which may possess a halogen atom, or hydroxy lower alkyl group which may possess a group selected from the group consisting of phenyl group and halogen atom as a substituent, R.sup.3 denotes a hydrogen atom, hydroxyl group, lower alkyl group, cycloalkyl group with 3 to 8 carbon atoms, halogen lower alkyl group, or phenyl group, R.sup.4 denotes a hydrogen atom, lower alkyl group, or lower alkoxy group, and R.sup.5 denotes a hydrogen atom, lower alkyl group, lower alkoxy lower alkyl group, or halogen lower alkyl group; provided that R.sup.2 and R.sup.3 may be bonded to each other to form a lower alkylene group with 3 to 5 carbon atoms, or its pharmaceutically available salt. This derivative is excellent in therapeutic effects of benign prostatic hypertrophy, prostatic carcinoma, female hairiness, male baldness or pimple as an androgen inhibitor.
该发明揭示了一个在式[I]中表示的嘧啶衍生物:其中R.sup.1表示氢原子或羟基,R.sup.2表示氢原子、低烷氧羰基基团、低烷氧基、卤原子、低烷基、具有3至8个碳原子的环烷基、低烷氧羰基低烷基、羧基、羧基低烷基、基团:--CONHR.sup.6(R.sup.6代表氢原子、苯基,可能带有卤原子,或低烷基),氰基、苯基,可能带有羟基、卤原子、低烷基、低烷氧基和苯硫基等取代基的基团,苯基低烷基基团,可能在苯环上带有羟基和低烷氧基等取代基的基团,低烷酰氧基低烷基基团,苯甲酰基、低烷酰基,可能带有卤原子,或羟基低烷基基团,可能带有苯基和卤原子等取代基的基团,R.sup.3表示氢原子、羟基、低烷基、具有3至8个碳原子的环烷基、卤基低烷基,或苯基,R.sup.4表示氢原子、低烷基,或低烷氧基,R.sup.5表示氢原子、低烷基,低烷氧低烷基,或卤基低烷基;条件是R.sup.2和R.sup.3可以连接在一起形成具有3至5个碳原子的低烷基,或其药用可用盐。该衍生物在治疗良性前列腺肥大、前列腺癌、女性多毛症、男性秃发或痤疮等方面作为雄激素抑制剂具有出色的疗效。