PYRIDAZINONE COMPOUNDS AS PHOSPHODIESTERASE INHIBITORS AND METHODS OF TREATING DISORDERS
申请人:Takeda Pharmaceutical Company Limited
公开号:US20150099757A1
公开(公告)日:2015-04-09
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 (I
0
):
wherein
R
1
represents
a substituent,
R
2
represents
a hydrogen atom, or a substituent,
R
3
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.
本发明提供了一种具有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。该化合物的化学式为(I0),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。