申请人:HEINE Niklas
公开号:US20130040955A1
公开(公告)日:2013-02-14
The invention relates to novel pyrazolopyrimidinones according to formula (I).
wherein X is CR
e
or unsubstituted N, D is optionally substituted cyclopentyl, cyclohexyl, tetrahydrofuranyl, tetrahydropyranyl or 2-, 3- or 4-pyridyl, R
a
, R
b
, R
c
, R
d
, R
e
are either H or optional substituents, m=1 or 2 and n is 0, 1 or 2.
The new compounds are for use as the active entity of medicaments or for the manufacture of medicaments respectively, in particular medicaments for the treatment of conditions concerning deficits in perception, concentration, learning or memory. Such conditions may for example be associated with Alzheimer's disease, schizophrenia and other diseases. The new compounds are also for example for the manufacture of medicaments and/or for use in the treatment of these diseases, in particular for cognitive impairment associated with such disease. The compounds of the invention show PDE9 inhibiting properties.
该发明涉及根据式(I)的新型吡唑吡咯嘧啶酮,其中X是CRe或未取代的N,D是可选择取代的环戊基、环己基、四氢呋喃基、四氢吡喃基或2-、3-或4-吡啶基,Ra、Rb、Rc、Rd、Re分别为H或可选择的取代基,m=1或2,n为0、1或2。新化合物可用作药物的活性成分或用于制造药物,特别是用于治疗涉及感知、注意力、学习或记忆缺陷的病症的药物。这些病症可能与阿尔茨海默病、精神分裂症和其他疾病有关。这些新化合物也可用于制造药物和/或用于治疗这些疾病,特别是与此类疾病相关的认知障碍。该发明的化合物显示PDE9抑制性能。