Substituted thiazole derivatives bearing 3-pyridyl groups, process for preparing the same and use thereof
申请人:Takeda Pharmaceutical Company Limited
公开号:US07067537B2
公开(公告)日:2006-06-27
The present invention provides a pharmaceutical composition having a steroid C17,20-lyase inhibitory activity, which is useful as a prophylactic or therapeutic agent of prostatism, tumor such as breast cancer and the like, more particularly, a steroid C17,20-lyase inhibitor containing a compound represented by the formula:
wherein A1 is an aromatic hydrocarbon group optionally having substituents or a heterocyclic group optionally having substituents, one of A2 and A3 is a hydrogen atom, a halogen atom, a C1-4 aliphatic hydrocarbon group optionally having substituents or an optionally esterified carboxyl group, the other of A2 and A3 is an aromatic hydrocarbon group optionally having substituents or a heterocyclic group optionally having substituents, and at least one of A1, A2 and A3 is a 3-pyridyl group optionally having substituents, or a salt thereof or a prodrug thereof.
本发明提供了一种具有类固醇C17,20-裂解酶抑制活性的药物组合物,可用作前列腺增生症、乳腺癌等肿瘤的预防或治疗剂,更具体地说,是一种含有以下化合物的类固醇C17,20-裂解酶抑制剂:其中A1是一个芳香族碳氢基团,可选地具有取代基或一个杂环基团,A2和A3中的一个是氢原子、卤素原子、可选地具有取代基的C1-4脂肪烃基团或可选地酯化的羧基团,另一个是可选地具有取代基的芳香族碳氢基团或杂环基团,而A1、A2和A3中的至少一个是可选地具有取代基的3-吡啶基团,或其盐或前药。