Compounds which are FK228 analogues of the general formula (I) or (I′), isosteres thereof and pharmaceutically acceptable salts thereof are found to inhibit HDAC wherein R
1
, R
2
, R
3
and R
4
are the same or different and represent an amino acid side chain moiety and each R
6
is the same or different and represents hydrogen or C
1
-C
4
alkyl.
具有一般式(I)或(I′)的FK228类似物、其同分异构体和药学上可接受的盐被发现可以抑制H
DAC,其中R1、R2、R3和R4相同或不同,代表
氨基酸侧链基团,每个R6相同或不同,代表氢或C1-C4烷基。