申请人:Takeda Chemical Industries, Ltd.
公开号:US06340686B1
公开(公告)日:2002-01-22
A compound of the formula:
wherein R1 and R2 each is hydrogen, hydroxy, C1-4 alkoxy, C1-4 alkoxy-carbonyl or C1-4 alkyl which may be substituted; R3 is hydrogen, halogen, hydroxy or C1-4 alkoxy which may be substituted; or adjacent two R3 may form C1-4 alkylenedioxy; R4 is hydrogen or C1-4 alkyl; R6 is C1-4 alkyl which may be substituted or a group of the formula:
wherein R5 is hydrogen or R4 and R5 may form heterocycle; and n is 0-5, or a salt thereof, has an excellent GnRH-antagonizing activity, and is useful for preventing or treating sex hormone-dependent diseases.
式中R1和R2分别为氢、羟基、C1-4烷氧基、C1-4烷氧羰基或可取代的C1-4烷基;R3为氢、卤素、羟基或可取代的C1-4烷氧基;或相邻的两个R3可形成C1-4烷二氧基;R4为氢或C1-4烷基;R6为可取代的C1-4烷基或式中的基团:式中R5为氢或R4和R5可形成杂环;n为0-5,或其盐,具有优异的GnRH拮抗活性,可用于预防或治疗性激素依赖性疾病。