The present invention is directed to dihydropyrazolopyrimidinonecompounds of formula (I) which are useful as therapeutic agents for the treatment of central nervous system disorders associated with phosphodiesterase 2 (PDE2). The present invention also relates to the use of such compounds for treating neurological and psychiatric disorders, such as schizophrenia, psychosis, Parkinson's disease, Parkinson's disease dementia (PDD), or Huntington's disease, and those associated with striatal hypofunction or basal ganglia dysfunction.
本发明涉及式(I)的
二氢吡唑并
嘧啶酮化合物,该化合物作为治疗与
磷酸二酯酶2 (PDE2)相关的中枢神经系统障碍的治疗剂是有用的。本发明还涉及使用这些化合物来治疗神经和精神障碍,如精神分裂症、精神病、帕
金森病、帕
金森病痴呆(PDD)或亨廷顿病,以及与纹状体功能减退或基底神经节功能障碍相关的疾病。