申请人:Shionogi & Co., Ltd.
公开号:EP2415756A1
公开(公告)日:2012-02-08
The present invention provides, for example, a compound of the following formula (I): 1
wherein R1 is substituted amino and the like,
R2 is halogen and the like,
R3 is substituted or unsubstituted lower alkyl and the like,
RA and RB are each independently hydrogen, substituted or unsubstituted lower alkyl and the like,
RC and RD are each independently hydrogen, substituted or unsubstituted lower alkyl, or RC and RD together with the carbon atom to which they are attached may form a substituted or unsubstituted carbocycle, and
ring A is a carbocycle or a heterocycle,
its pharmaceutically acceptable salt, or a solvate thereof as a therapeutic agent for diseases induced by production, secretion and/or deposition of amyloid-β proteins.
本发明提供了例如下式(I)的化合物:1
其中 R1 是取代的氨基等、
R2 是卤素等
R3 是取代或未取代的低级烷基等、
RA 和 RB 各自独立地为氢、取代或未取代的低级烷基等、
RC 和 RD 各自独立地为氢、取代或未取代的低级烷基,或 RC 和 RD 与它们所连接的碳原子一起可形成取代或未取代的碳环,以及
环 A 是碳环或杂环、
其药学上可接受的盐或其溶液作为治疗剂,用于治疗由淀粉样β蛋白的产生、分泌和/或沉积诱发的疾病。