申请人:Kawamura Mikako
公开号:US20080070894A1
公开(公告)日:2008-03-20
The present invention relates to a compound represented by Formula [I] or a pharmaceutically acceptable salt or ester thereof:
wherein:
X
1
, X
2
, X
3
, and X
4
, which may be identical or different, are each C or N, provided that none to two of X
1
, X
2
, X
3
, and X
4
is/are N; Y is CH or N;
R
1
, R
1
′, R
2
, R
2
′, R
3
, R
3
′, R
4
, and R
4
′, which may be identical or different, are each a hydrogen atom, a lower alkyl group, or the like;
R
5
is a hydrogen atom or a methyl group;
R
6
and R
7
, which may be identical or different, are each a hydrogen atom, a lower alkyl group, or the like;
R
8
and R
8
′, which may be identical or different, are each a hydrogen atom, a lower alkyl group, or the like;
R
9
is an aryl group or a heteroaryl group which may be substituted; and n is an integer from 1 to 3, and a PLK1 inhibitor or an anticancer agent containing the same.
本发明涉及一种由式[I]表示的化合物或其药学上可接受的盐或酯:其中,X1、X2、X3和X4可以相同也可以不同,分别为C或N,但是X1、X2、X3和X4中至少有一个或最多两个是N;Y为CH或N;R1、R1'、R2、R2'、R3、R3'、R4和R4'可以相同也可以不同,分别为氢原子、低碳基或类似物;R5为氢原子或甲基基团;R6和R7可以相同也可以不同,分别为氢原子、低碳基或类似物;R8和R8'可以相同也可以不同,分别为氢原子、低碳基或类似物;R9为取代的芳基或杂环基;n为1到3的整数。本发明还涉及一种PLK1抑制剂或含有该化合物的抗癌剂。