申请人:Uchida Kenji
公开号:US08952003B2
公开(公告)日:2015-02-10
The present invention provides a sterol derivative or a pharmaceutically acceptable salt thereof having an activity to promote proliferation of neural stem cells. Namely, the present invention provides a sterol derivative represented by the general formula (I) (wherein Y represents optionally substituted lower alkyl or the like; Xa and Xb are the same or different, and represent a bond or the like; R1, R2, R3, R4, R7 and R8 are the same or different, and represent a hydrogen atom or the like; R5 and R6 are the same or different, and represent a hydrogen atom or the like; R9 represents a hydrogen atom or the like; R10 and R11 together represent a bond or the like; and R12 represents a hydrogen atom or the like) or a pharmaceutically acceptable salt thereof.
本发明提供了一种类固醇衍生物或其药学上可接受的盐,具有促进神经干细胞增殖的活性。即,本发明提供了一种由通式(I)表示的类固醇衍生物(其中,Y表示可选取代的较低烷基或类似物;Xa和Xb相同或不同,表示键或类似物;R1、R2、R3、R4、R7和R8相同或不同,表示氢原子或类似物;R5和R6相同或不同,表示氢原子或类似物;R9表示氢原子或类似物;R10和R11一起表示键或类似物;R12表示氢原子或类似物)或其药学上可接受的盐。