申请人:Hoffmann-La Roche Inc.
公开号:US10604517B2
公开(公告)日:2020-03-31
The present invention relates to compounds of formula
hetaryl is a five membered heteroaryl group, containing 1 to 3 heteroatoms, selected from O, S or N;
R1 is hydrogen, halogen, lower alkyl, lower alkoxy, lower alkyl substituted by halogen, S-lower alkyl substituted by halogen or lower alkoxy substituted by halogen,
or two neighboring carbon atoms may form on phenyl an additional ring containing —O—CH2—O—;
n is 1 to 5;
R2 is hydrogen or lower alkyl substituted by halogen;
R3 is hydrogen or lower alkyl substituted by halogen;
or to pharmaceutically active acid addition salts thereof, to racemic mixtures or to its corresponding enantiomers or optical isomers 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.
本发明涉及式化合物
庚二酰基是五元杂芳基,含有 1 至 3 个杂原子,选自 O、S 或 N;
R1 是氢、卤素、低级烷基、低级烷氧基、被卤素取代的低级烷基、被卤素取代的 S-低级烷基或被卤素取代的低级烷氧基、
或两个相邻碳原子可在苯基上形成一个含有-O-CH2-O-的附加环;
n 为 1 至 5;
R2 是氢或被卤素取代的低级烷基
R3 是氢或被卤素取代的低级烷基;
或其药用活性酸加成盐、外消旋混合物或其相应的对映体或光学异构体或立体异构体。
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。