[EN] PYRAZOLO[3,4-D]PYRIMIDIN-4(5H)-ONE DERIVATIVES AS PDE9 INHIBITORS<br/>[FR] UTILISATION DE DÉRIVÉS DE PYRAZOLO[3,4-D]PYRIMIDIN-4(5H)-ONE COMME INHIBITEURS DE PDE9
申请人:CELON PHARMA SA
公开号:WO2014016789A1
公开(公告)日:2014-01-30
A compound of the general formula (I) wherein R1 is selected from the group consisting of phenyl unsubstituted or substituted with 1 to 3 substituents selected from F, Cl, Br, I, CN, -O-C1-C3-alkyl, fluorinated -O-C1-C3-alkyl, -(CH2)mOH and 5-membered heterocyclic group with 1 or 2 heteroatoms selected from N, O and S; and 6- or 10-membered heteroaryl with 1 to 3 heteroatoms selected from O, N and S; R2 and R3 independently of each other represent H atom or straight or branched C1-C3 alkyl; R4 is selected from the group consisting of 4- to 6- membered cycloalkyl, wherein one of carbon atoms can be replaced by O atom, and which is unsubstituted or substituted with one or two halogen atoms,and straight or branched C1-C4 alkyl; Q represents a bond or C1-C3-alkylene, which can be optionally substituted by one to three C1-C3-alkyls; X is selected from the group consisting of O, NR5, and S(O)p; R5 represents H atom or C1-C3alkyl; m is 1, 2 or 3; p is 0, 1 or 2; and salts thereof, for use as a medicament, in particular for treating cognitive function disorders and neurodegenerative diseases.
通用式(I)的化合物,其中R1选自苯基未取代或取代的基团,所取代基团可为1至3个取自F、Cl、Br、I、CN、-O-C1-C3-烷基、氟代-O-C1-C3-烷基、-(CH2)mOH和含有1或2个取自N、O和S的杂原子的5元杂环基;以及含有1至3个取自O、N和S的杂原子的6-或10-元杂芳基;R2和R3彼此独立地代表H原子或直链或支链的C1-C3烷基;R4选自4-至6-环脂肪族基团,其中一个碳原子可被氧原子取代,未取代或取代有一或两个卤素原子,以及直链或支链的C1-C4烷基;Q代表键或C1-C3-亚烷基,可选择性地被1至3个C1-C3-烷基取代;X选自O、NR5和S(O)p的基团;R5代表H原子或C1-C3烷基;m为1、2或3;p为0、1或2;以及其盐,用作药物,特别用于治疗认知功能障碍和神经退行性疾病。