申请人:Banyu Pharmaceutical Co., Ltd.
公开号:US07148224B2
公开(公告)日:2006-12-12
The present invention relates to a compound of the general formula (I):
[Ar1 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., Wn is —(CH2)n— (n is zero to four), R1, is H or optionally substituted lower alkyl, etc., R2 is H, etc., R3 and R4 are the same or different and are each H, etc., R5 and R6 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.
本发明涉及通式(I)的化合物:[Ar1为芳基,与相邻的吡嗪酮环在第5和第6位置融合,等等,X为CO等,Y为CH等,Z为CH等,V为CH等,Wn为—(CH2)n—(n为零到四),R1为H或可选择的取代较低烷基等,R2为H等,R3和R4相同或不同,均为H等,R5和R6相同或不同,均为H,羟基等]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抑制剂或抗癌剂;以及其制备方法。