申请人:Hoffmann-La Roche Inc.
公开号:US10941147B2
公开(公告)日:2021-03-09
The present invention relates to a compound of formula I, 1-1 or 1-2 wherein R1 is hydrogen, lower alkyl, lower alkyl substituted by halogen, halogen, lower alkoxy, or lower alkoxy substituted by halogen; R1 may be different if n=2 or 3 n is 1, 2 or 3 Ar is a six membered heteroaryl group, selected from wherein R2 is hydrogen, lower alkyl, lower alkyl substituted by halogen, halogen or lower alkoxy; R3 is hydrogen or halogen; or to a pharmaceutically active acid addition salt thereof. The compounds may 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I、1-1或1-2的化合物,其中R1为氢、低级烷基、被卤素取代的低级烷基、卤素、低级烷氧基或被卤素取代的低级烷氧基;如果n=2或3 n为1、2或3,R1可以不同 Ar为六成员杂芳基,选自其中R2为氢、低级烷基、被卤素取代的低级烷基、卤素或低级烷氧基;R3为氢或卤素;或涉及其具有药学活性的酸加成盐。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变性、荷兰型(HCHWA-D)、多梗塞性痴呆、帕金森痴呆或唐氏综合征。