申请人:——
公开号:US20040024039A1
公开(公告)日:2004-02-05
The present invention provides a compound having a steroid C
17,20
-lyase inhibitory activity, which is useful as a prophylactic or therapeutic agent of prostatism and tumor such as breast cancer and the like.
A compound represented by the formula:
1
wherein R is a hydrogen atom or a protecting group, R
1
is a lower alkyl group or a cyclic alkyl group, and ring A and ring B are each an optionally substituted 5-membered or 6-membered ring having an amide bond in the ring, or a salt thereof.
本发明提供了一种具有类固醇C17,20-裂解酶抑制活性的化合物,该化合物可用作前列腺增生和乳腺癌等肿瘤的预防或治疗剂。该化合物由以下式表示:1其中R是氢原子或保护基,R1是较低的烷基或环烷基,环A和环B分别是具有环中酰胺键的可选取代的5-或6-成员环,或其盐。