申请人:Verhoest Patrick R.
公开号:US20090030003A1
公开(公告)日:2009-01-29
The invention provides PDE9-inhibiting compounds of Formula (I),
and pharmaceutically acceptable salts thereof, wherein R, R
1
, R
2
and R
3
are as defined herein. Pharmaceutical compositions containing the compounds of Formula I, and uses thereof in treating neurodegenerative and cognitive disorders, such as Alzheimer's disease and schizophrenia, are also provided.
该发明提供了式(I)的PDE9抑制化合物及其药用盐,其中R、R1、R2和R3如本文所定义。还提供了含有式I化合物的药物组合物,并将其用于治疗神经退行性和认知障碍,如阿尔茨海默病和精神分裂症。