申请人:Hoffmann-La Roche Inc.
公开号:US07923450B2
公开(公告)日:2011-04-12
The invention relates to compounds of formula
wherein R1, R2, R3, R4, X and Y are as defined herein and to pharmaceutically active acid addition salts thereof. The compounds can be used for the treatment of Alzheimer's disease, cerebral amyloid angiopathy, hereditary cerebral hemorrhage with amyloidosis, Dutch-type (HCHWA-D), multi-infarct dementia, dementia pugilistica or Down syndrome.
本发明涉及式中R1、R2、R3、R4、X和Y如此定义的化合物,以及其药学上活性的酸加盐。这些化合物可用于治疗阿尔茨海默病、脑淀粉样血管病、遗传性脑出血伴有淀粉样变(荷兰型)、多梗塞性痴呆、拳击痴呆或唐氏综合症。