申请人:——
公开号:US20030203907A1
公开(公告)日:2003-10-30
The present invention relates to a compound of the general formula (I):
1
[Ar
1
is aryl fused to the adjacent pyrazinone ring at the 5th and 6th positions, etc., X is CO, etc., Y is CH, etc., Z is CH, etc., V is CH, etc., W
n
is —(CH
2
)
n
— (n is zero to four), R
1
is H or optionally substituted lower alkyl, etc., R
2
is H, etc., R
3
and R
4
are the same or different and are each H, etc., R
5
and R
6
are the same or different and are each H, hydroxy, etc.] or a pharmaceutically acceptable salt or ester thereof; a pharmaceutical composition, an inhibitor of Cdk4 and/or Cdk6 or an anti-cancer agent, containing the same as an active ingredient; and a process for preparing them.
本发明涉及一种通式(I)的化合物:1[Ar1是芳基,与相邻的吡唑酮环在第5和第6位置融合,等等,X是CO,等等,Y是CH,等等,Z是CH,等等,V是CH,等等,W是-(CH2)n-(n为零至四),R1是H或选择性取代的较低烷基,等等,R2是H,等等,R3和R4相同或不同,分别为H,等等,R5和R6相同或不同,分别为H,羟基,等等]或其药学上可接受的盐或酯;一种含有该化合物作为活性成分的制药组合物,Cdk4和/或Cdk6的抑制剂或抗癌剂;以及其制备方法。