申请人:Dressen Darren
公开号:US20090099235A1
公开(公告)日:2009-04-16
The invention provides compounds of Formula I
wherein A, Y, R
1
, R
1a
, R
2
, and R
2a
are as described in the specification. Compounds of Formula I are useful in treating and/or preventing cognitive disorders, such as Alzheimer's disease. The invention also encompasses pharmaceutical compositions comprising compounds of Formula I, methods of preparing compounds of Formula I, and methods of treating cognitive disorders, such as Alzheimer's disease.
本发明提供了式I的化合物,其中A、Y、R1、R1a、R2和R2a如规范中所述。式I的化合物在治疗和/或预防认知障碍,如阿尔茨海默病方面是有用的。本发明还包括含有式I的化合物的制药组合物,制备式I的化合物的方法以及治疗认知障碍,如阿尔茨海默病的方法。