申请人:HOFFMANN LA ROCHE
公开号:WO2018065340A1
公开(公告)日:2018-04-12
The present invention relates to a compound of formula (I), wherein R1 is hydrogen, lower alkyl, lower alkyl substituted by halogen, halogen, lower alkoxy or lower alkoxy substituted by halogen; and R1 may be different if n is 2 or 3; R2 is hydrogen, lower alkyl, lower alkyl substituted by halogen, halogen, CN, lower alkoxy or lower alkoxy substituted by halogen; X is CH or N; m is 1, 2 or 3; -( )m is –(CH2)m-; n is 1, 2 or 3; Ar is a five membered heteroaryl group, selected from formula (A), (B), (C), (D), (E) or (F), wherein R3 is hydrogen, methyl or chloro; R4 is hydrogen or methyl; R5 is F, Cl, CHF2 or CF3; or to pharmaceutically active acid addition salts 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.
本发明涉及一种式子(I)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为2或3,则R1可能不同;R2为氢,低级烷基,被卤素取代的低级烷基,卤素,CN,低级烷氧基或被卤素取代的低级烷氧基;X为CH或N;m为1、2或3;-( )m为-(
CH2)m-;n为1、2或3;Ar为五元杂环芳基,从式(A)、(B)、(C)、(D)、(E)或(F)中选择,其中R3为氢、甲基或
氯;R4为氢或甲基;R5为F、Cl、
CHF2或
CF3;或其药物活性酸盐。该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(Dutch-type (HCHWA-D))、多发性梗死性痴呆、拳击性痴呆或唐氏综合症。