申请人:——
公开号:US20020065282A1
公开(公告)日:2002-05-30
The present invention provides compounds of formula I
1
and pharmaceutically acceptable salts, wherein R1, R2, R3, R4, R5, X and Y have the meanings defined in the specification. The compounds have histone deacetylase (HDAC) inhibitory activity which is useful in cancer treatment. Also provided is a process for making a compound of formula I
by reacting a compound of formula III
2
with a compound of formula IV
3
wherein
A is a displaceable group and PG is a protecting group.
本发明提供了I1式化合物及其药学上可接受的盐,其中R1、R2、R3、R4、R5、X和Y的含义如规范中所定义。该化合物具有组蛋白去乙酰化酶(HDAC)抑制活性,对癌症治疗有用。同时,本发明还提供了一种通过将III2式化合物与IV3式化合物反应制备I式化合物的方法,其中A是可置换基团,PG是保护基团。