申请人:Hoffmann-La Roche Inc.
公开号:US10562903B2
公开(公告)日:2020-02-18
The present invention relates to a compound of formula
wherein
HetAr 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.
本发明涉及一种式化合物
式中
HetAr 是含有一个、两个或三个杂原子的五或六分子庚芳基,杂原子选自 N、O 或 S;
R1 是氢、低级烷基、被卤素取代的低级烷基、卤素或低级烷氧基;
R2 是被卤素、-CH2-C3-6-环烷基取代的低级烷基,被一个或两个取代基取代,选自被卤素或卤素取代的低级烷基,或者是被卤素取代的低级烯基;
R3 是氢、被卤素取代的低级烷基、低级烷基、卤素、C3-6-环烷基或被羟基取代的低级烷基;
n 是 1 或 2;对于 n=2,R1 可以相互独立;
Y 是 CH 或 N;
或其药用活性酸加成盐、外消旋混合物或其相应的对映体和/或光学异构体和/或立体异构体。
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。