申请人:Nemoto Hideo
公开号:US20110021625A1
公开(公告)日:2011-01-27
There is provided a neuronal cell death inhibitor having a high efficacy. A neuronal cell death inhibitor comprising a compound of general formula (1) below:
(where R
1
is a hydrogen atom or an optionally substituted hydroxy group; R
2
is a hydrogen atom; R
3
is a hydrogen atom or an optionally substituted hydroxy group; R
4
is a hydrogen atom or an optionally substituted hydroxy group, R
3
together with R
4
is optionally an oxo group or a group of —O—(CH
2
)
n
—O— (where n is an integer of 2 to 4), or R
2
together with R
4
optionally forms an unsaturated bond between carbon atoms, the respective carbon atoms being attached to R
2
and R
4
; R
5
is a hydrogen atom or an optionally substituted lower alkyl group; each of R
6
, R
7
, and R
8
is the same as or different from each other and is a hydrogen atom, an optionally substituted hydroxy group, an optionally substituted alkyl group, an optionally substituted aryl group, or an optionally substituted heteroaryl group); or a salt thereof.
提供了一种高效的神经元细胞死亡抑制剂。该神经元细胞死亡抑制剂包括以下通式(1)的化合物:(其中,R1是氢原子或可选取代羟基;R2是氢原子;R3是氢原子或可选取代羟基;R4是氢原子或可选取代羟基,R3与R4可选取为氧代基或—O—(CH2)n—O—(其中n是2到4的整数)的基团,或R2与R4可选形成碳原子之间的不饱和键,相应的碳原子附着于R2和R4;R5是氢原子或可选取代的较低烷基基团;R6、R7和R8中的每一个都与其他相同或不同,是氢原子、可选取代的羟基、可选取代的烷基、可选取代的芳基或可选取代的杂芳基);或其盐。