Pyridazinone compounds as phosphodiesterase inhibitors and methods of treating disorders
申请人:Taniguchi Takahiko
公开号:US08916566B2
公开(公告)日:2014-12-23
The present invention provides a compound which has the effect of PDE inhibition, and which is useful as a medicament for preventing or treating schizophrenia or so on.
A compound of formula (I0):
wherein
R1 represents
a substituent,
R2 represents
a hydrogen atom, or a substituent,
R3 represents
a hydrogen atom, or a substituent,
Ring A represents
an aromatic ring which can be substituted, and
Ring B represents
a 5-membered heteroaromatic ring which can be substituted,
or a salt thereof.
本发明提供一种具有PDE抑制作用的化合物,可用作预防或治疗精神分裂症等药物。化合物的化学式(I0)如下:
其中,R1代表取代基,R2代表氢原子或取代基,R3代表氢原子或取代基,环A代表可被取代的芳香环,环B代表可被取代的五元杂环芳香环,或其盐。