申请人:Hoffmann-La Roche Inc.
公开号:US10730881B2
公开(公告)日:2020-08-04
The present invention relates to a compound of formula I
wherein
R1 is phenyl, lower alkyl, C3-6-cycloalkyl, —CH2—C3-6-cycloalkyl or bridged C4-6-cycloalkyl, substituted by one, two or three halogen atoms, or by lower alkyl or lower alkyl substituted by halogen;
R2 is a five or six membered heteroaryl group, selected from
wherein
R6 is hydrogen, lower alkyl, halogen or lower alkoxy; and
R7 is hydrogen, lower alkoxy or halogen;
R3 is lower alkyl or lower alkyl substituted by hydroxy:
R4 is hydrogen or lower alkyl;
R5 is hydrogen or lower alkyl;
n is 1 or 2;
-( )n- is —CH2— or —CH2CH2— for n being 1 or 2;
or to a pharmaceutically active acid addition salt thereof, to a racemic mixture or to 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 I 的化合物
式中
R1 是苯基、低级烷基、C3-6-环烷基、-CH2-C3-6-环烷基或被一个、两个或三个卤素原子取代的桥接 C4-6 环烷基,或被低级烷基或被卤素取代的低级烷基;
R2 是五或六成员杂芳基,选自
其中
R6 是氢、低级烷基、卤素或低级烷氧基;和
R7 是氢、低级烷氧基或卤素;
R3 是低级烷基或被羟基取代的低级烷基:
R4 是氢或低级烷基
R5 是氢或低级烷基
n 是 1 或 2;
-()n-是-CH2-或-CH2CH2-,n 为 1 或 2;
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、帕金森氏痴呆或唐氏综合征。