申请人:Dal Piaz Vittorio
公开号:US20090111819A1
公开(公告)日:2009-04-30
Pyridazin-3(2H)-one derivatives of formula (I) are found to inhibit PDE-4:
wherein
R
1
, R
2
and R
4
are organic radicals, R
3
is a cyclic group, and R
5
is an ester or an aryl or heteroaryl group.
式(I)的吡啶并嗪-3(2H)-酮衍生物被发现能够抑制PDE-4,其中R1、R2和R4是有机基团,R3是环状基团,R5是酯基或芳基或杂环芳基基团。