申请人:Masui Moriyasu
公开号:US20120245157A1
公开(公告)日:2012-09-27
The present invention provides, for example, a compound mentioned below as a medicament for treating or preventing the diseases induced by production, secretion or deposition of amyloid-β proteins.
A compound of the formula (I):
wherein R
1
, R
2a
, R
2b
, R
3
, R
4a
, R
4b
, ring A and the dashed lines are defined in the specification,
its pharmaceutically acceptable salt or a solvate thereof.
本发明提供了一种如下所述的化合物作为治疗或预防由淀粉样蛋白-β的产生、分泌或沉积引起的疾病的药物。式(I)的化合物:其中R1、R2a、R2b、R3、R4a、R4b、环A和虚线在说明书中有定义,其药用可接受的盐或其溶剂化合物。