申请人:Hoffmann-La Roche Inc.
公开号:US10669276B2
公开(公告)日:2020-06-02
The present invention relates to compounds of formula I,
wherein
R1 is phenyl, lower alkyl, C3-6-cycloalkyl, —CH2—C3-6-cycloalkyl, or bridged C3-5-cycloalkyl, optionally substituted by one, two or three substituents, selected from halogen, lower alkyl or lower alkyl substituted by halogen;
R2 is hydrogen, halogen, lower alkoxy, lower alkyl substituted by halogen or lower alkoxy substituted by halogen;
R3 is a five membered heteroaryl group, selected from
wherein
R6 is hydrogen or lower alkyl;
R7 is halogen or lower alkyl;
R8 is hydrogen or lower alkyl;
R9 is hydrogen or lower alkyl;
R4 is lower alkyl or lower alkyl substituted by hydroxy;
R5/R5′ is independently from each other hydrogen or lower alkyl;
-( )n- is —CH2— or —CH2CH2— for n being 1 or 2;
X is CH or N;
or to pharmaceutically active acid addition salts thereof, to racemic mixtures or to its corresponding enantiomers and/or optical isomers and/or stereoisomers 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 的化合物、
其中
R1 是苯基、低级烷基、C3-6-环烷基、-CH2-C3-6-环烷基或桥接的 C3-5 环烷基,可任选被一个、两个或三个取代基取代,这些取代基选自卤素、低级烷基或被卤素取代的低级烷基;
R2 是氢、卤素、低级烷氧基、被卤素取代的低级烷基或被卤素取代的低级烷氧基;
R3 是五元杂芳基,选自
其中
R6 是氢或低级烷基
R7 是卤素或低级烷基
R8 是氢或低级烷基
R9 是氢或低级烷基;
R4 是低级烷基或被羟基取代的低级烷基;
R5/R5′互不独立地为氢或低级烷基;
-()n-是-CH2-或-CH2CH2-,n为1或2;
X 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、脑淀粉样变性血管病、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。