申请人:Tamura Yuusuke
公开号:US20120015961A1
公开(公告)日:2012-01-19
The present invention provides, for example, a compound of the following formula (I):
wherein R
1
is substituted amino and the like,
R
2
is halogen and the like,
R
3
is substituted or unsubstituted lower alkyl and the like,
R
A
and R
B
are each independently hydrogen, substituted or unsubstituted lower alkyl and the like,
R
C
and R
D
are each independently hydrogen, substituted or unsubstituted lower alkyl, or R
C
and R
D
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-βproteins.
本发明提供了以下式(I)的化合物,例如:
其中R
1
是取代氨基等,
R
2
是卤素等,
R
3
是取代或未取代的较低烷基等,
R
A
和R
B
各自独立地是氢、取代或未取代的较低烷基等,
R
C
和R
D
各自独立地是氢、取代或未取代的较低烷基,或R
C
和R
D
与它们连接的碳原子一起可以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,或其溶剂合物作为由淀粉样蛋白β的产生、分泌和/或沉积引起的疾病的治疗剂。