申请人:SANKYO COMPANY, LIMITED
公开号:US20040132784A1
公开(公告)日:2004-07-08
Compounds of formula (I) which exhibit excellent immune suppression activity, pharmacologically acceptable salts thereof, esters thereof or other derivatives:
1
wherein R
1
and R
2
are a hydrogen atom, an amino protecting group; R
3
is a hydrogen atom, a hydroxy protecting group; R
4
is a lower alkyl group; n is an integer from 1 to 6; X is an ethylene group; Y is a C
1
-C
10
alkylene group, a C
1
-C
10
alkylene group substituted with 1 to 3 substituents selected from substituent group a and b; R
5
is an aryl group; R
6
and R
7
are a hydrogen atom, a group selected from substituent group a; with the proviso when R
5
is a hydrogen atom, Y is not a single bond or a straight chain C
1
-C
10
alkylene group.
化学式为(I)的化合物表现出出色的免疫抑制活性,其药理学上可接受的盐,酯或其他衍生物:1其中,R1和R2是氢原子,氨基保护基; R3是氢原子,羟基保护基; R4是较低的烷基; n是1至6的整数; X是乙烯基; Y是C1-C10烷基,带有1至3个取代基a和b的C1-C10烷基; R5是芳基; R6和R7是氢原子,来自取代基a的群; 前提是当R5是氢原子时,Y不是单键或直链C1-C10烷基。