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    • 33. 发明申请
    • HETEROARYL SUBSTITUTED 2-PYRIDINYL AND 2-PYRIMIDINYL -6,7,8,9- TETRAHYDROPYRIMIDO[1,2-a] PYRIMIDIN-4-ONE DERIVATIVES
    • 异噻唑基取代的2-吡啶基和2-吡啶基-6,7,8,9-四氢吡啶并[1,2-a]嘧啶-4-酮衍生物
    • WO2003072579A1
    • 2003-09-04
    • PCT/EP2003/002651
    • 2003-02-26
    • SANOFI-SYNTHELABOMITSUBISHI PHARMA CORPORATIONLOCHEAD, AlistairNEDELEC, AlainSAADY, MouradYAICHE, Philippe
    • LOCHEAD, AlistairNEDELEC, AlainSAADY, MouradYAICHE, Philippe
    • C07D487/04
    • A61K31/519A01N43/90C07D487/04
    • The invention relates to a pyrimidone derivative represented by formula (I) or a salt thereof wherein: (I) X represents two hydrogen atoms, a sulphur atom, an oxygen atom or a C 1-2 alkyl group and a hydrogen atom; Y represents a bond, an ethenylene group, an ethynylene group or a methylene group optionally substituted; R1 represents a 2, 3 or 4-pyridine ring or a 2, 4 or 5-pyrimidine ring optionally substituted; R2 represents a heterocyclic bicyclic rings, having 1-4 heteroatoms selected from an oxygen atom, a sulfur atom and a nitrogen atom and having 5-9 carbon atoms, of formula (II) R3 represents a hydrogen atom, a C 1-6 alkyl group, a hydroxy group, a C 1-4 alkoxy group or a halogen atom; R4 represents a hydrogen atom, a C 1-6 alkyl group, a C 1-4 alkoxy group or a halogen atom. The invention relates also to a medicament comprising the said derivative or a salt thereof as an active ingredient which is used for preventive and/or therapeutic treatment of a neurodegenerative disease caused by abnormal activity of GSK3β or GSK3β and cdk5/p25, such as Alzheimer disease.
    • 本发明涉及由式(I)表示的嘧啶酮衍生物或其盐,其中:(I)X表示两个氢原子,硫原子,氧原子或C 1-2烷基和氢原子; Y表示键,亚乙烯基,亚乙炔基或任选取代的亚甲基; R1表示2,3或4-吡啶环或任选取代的2,4或5-嘧啶环; R 2表示具有1-4个选自氧原子,硫原子和氮原子并且具有5-9个碳原子的杂原子的式(II)的杂环双环,R 3表示氢原子,C 1-6烷基 ,羟基,C 1-4烷氧基或卤素原子; R 4表示氢原子,C 1-6烷基,C 1-4烷氧基或卤素原子。 本发明还涉及包含所述衍生物或其盐作为活性成分的药物,其用于预防和/或治疗由GSK3β或GSK3β和cdk5 / p25的异常活性引起的神经变性疾病,例如阿尔茨海默病 。