Substituted thiazole derivatives bearing 3-pyridyl groups, process for preparing the same and use thereof
申请人:——
公开号:US20040072876A1
公开(公告)日:2004-04-15
The present invention provides a pharmaceutical composition having a steroid C
17,20
-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 C
17,20
-lyase inhibitor containing a compound represented by the formula:
1
wherein A
1
is an aromatic hydrocarbon group optionally having substituents or a heterocyclic group optionally having substituents, one of A
2
and A
3
is a hydrogen atom, a halogen atom, a C
1-4
aliphatic hydrocarbon group optionally having substituents or an optionally esterified carboxyl group, the other of A
2
and A
3
is an aromatic hydrocarbon group optionally having substituents or a heterocyclic group optionally having substituents, and at least one of A
1
, A
2
and A
3
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,其可作为前列腺增生症、乳腺癌等肿瘤的预防或治疗剂,更具体地,是一种含有以下化合物的类固醇C17,20-裂解酶抑制剂:式中,A1为芳香族碳氢基团,可选地具有取代基,或者为杂环基团,可选地具有取代基;A2和A3中的一个为氢原子、卤素原子、C1-4脂肪族碳氢基团,可选地具有取代基,或者为可选酯化的羧基;另一个为芳香族碳氢基团,可选地具有取代基,或者为杂环基团,可选地具有取代基;且A1、A2和A3中至少有一个为可选地具有取代基的3-吡啶基团,或其盐或前药。