申请人:Kabushiki Kaisha Yakult Honsha
公开号:EP2177529A1
公开(公告)日:2010-04-21
It is intended to provide a novel compound that has an excellent γ-secretase inhibitory effect and specifically inhibits Aβ production.
The present invention provides a compound of the following formula (1) or a pharmaceutically acceptable salt thereof: wherein R1 represents a linear or branched alkyl group having 1 to 4 carbon atoms or a phenyl group; R2 represents a linear or branched alkyl group having 1 to 4 carbon atoms which may be substituted by one or more phenyl or halogenophenyl groups; R3 represents a linear or branched alkyl group having 1 to 4 carbon atoms which may be substituted by one or more hydroxyl groups; R4 represents a linear or branched alkyl group having 1 to 4 carbon atoms; and the symbol "*" represents a chiral center.
本发明旨在提供一种新型化合物,该化合物具有优异的γ-分泌酶抑制作用,并能特异性地抑制Aβ的产生。
本发明提供了下式(1)的化合物或其药学上可接受的盐:其中 R1 代表具有 1 至 4 个碳原子的直链或支链烷基或苯基;R2 代表具有 1 至 4 个碳原子的直链或支链烷基,可被一个或多个苯基或卤代苯基取代;R3 代表具有 1 至 4 个碳原子的直链或支链烷基,可被一个或多个羟基取代;R4 代表具有 1 至 4 个碳原子的直链或支链烷基;符号 "*"代表手性中心。