申请人:BANYU PHARMACEUTICAL CO., LTD.
公开号:EP1295878A1
公开(公告)日:2003-03-26
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是在第5和第6位与相邻吡嗪酮环融合的芳基等,X是CO等,Y是CH等,Z是CH等,V是CH等,Wn是-(CH2)n-(n为0至4),R1是H或任选取代的低级烷基等,R2是H等,R3和R4相同或不同且各自是H等、R5和R6相同或不同且各自为H、羟基等]或其药学上可接受的盐或酯;含有相同成分作为活性成分的药物组合物、Cdk4和/或Cdk6抑制剂或抗癌剂;以及制备它们的工艺。