申请人:Baumann Karlheinz
公开号:US20090181965A1
公开(公告)日:2009-07-16
The invention relates to compounds of formula
wherein R
1
, R
2
, R
3
, R
4
, 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.
该发明涉及以下式中的化合物,其中R1、R2、R3、R4、X和Y的定义如本文所述,并且涉及其药用活性酸盐。这些化合物可用于治疗阿尔茨海默病、脑淀粉样血管病、遗传性脑出血伴淀粉样病变(荷兰型)、多梗塞性痴呆、拳击性痴呆或唐氏综合征。