申请人:HOFFMANN LA ROCHE
公开号:WO2017097728A1
公开(公告)日:2017-06-15
The present invention relates to a compound of formula (I), wherein Het Ar is a five or six membered hetaryl group, containing one, two or three heteroatoms, selected from N, O or S; R1 is hydrogen, lower alkyl, lower alkyl substituted by halogen, halogen, or lower alkoxy; R2 is lower alkyl substituted by halogen, -CH2-C3-6-cycloalkyl, substituted by one or two substituents, selected from lower alkyl substituted by halogen or halogen, or is lower alkenyl substituted by halogen; R3 is hydrogen, lower alkyl substituted by halogen, lower alkyl, halogen, C3-6-cycloalkyl or lower alkyl substituted by hydroxy; n is 1 or 2; for n = 2, R1 can be independent to each other; Y is CH or N; or to a pharmaceutically active acid addition salt thereof, to a racemic mixture or its corresponding enantiomer and/or optical isomer and/or stereoisomer 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.
本发明涉及一个化合物的结构式(I),其中Het Ar是一个含有N、O或S中的一个、两个或三个杂原子的五元或六元杂芳基团;R1是氢、低碳烷基、被卤素取代的低碳烷基、卤素或低烷氧基;R2是被卤素取代的低碳烷基、-CH2-C3-6-环烷基、被一个或两个取代基取代的低碳烷基(取代基选自被卤素取代的低烷基或卤素)或被卤素取代的低烯基;R3是氢、被卤素取代的低碳烷基、低碳烷基、卤素、C3-6-环烷基或被羟基取代的低碳烷基;n为1或2;当n=2时,R1可以相互独立;Y是CH或N;或其药用活性酸盐,或其对映体和/或光学异构体和/或立体异构体的拉氏混合物。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)、多发性梗死性痴呆、拳击性痴呆或唐氏综合征。