Substituted 2-pyridinyl-6,7,8,9-tetrahydropyrimido{1,2-a}pyrimidin-4-one and 7-pyridinyl-2,3-dihydroimidazo{1,2-a}pyrimidin-5(1h)one derivatives
    45.
    发明申请
    Substituted 2-pyridinyl-6,7,8,9-tetrahydropyrimido{1,2-a}pyrimidin-4-one and 7-pyridinyl-2,3-dihydroimidazo{1,2-a}pyrimidin-5(1h)one derivatives 失效
    取代的2-吡啶基-6,7,8,9-四氢嘧啶并[1,2-a]嘧啶-4-酮和7-吡啶基-2,3-二氢咪唑并[1,2-a]嘧啶-5(1h) 衍生品

    公开(公告)号:US20050049261A1

    公开(公告)日:2005-03-03

    申请号:US10490135

    申请日:2002-09-19

    摘要: The invention relates to a pyrimidone derivative represented by formula (I) or a salt thereof wherein X represents two hydrogen atoms, a sulfur atom, an oxygen atom or a C1-2 alkyl group and a hydrogen atom; Y represents a bond, an ethenylene group, an ethynylene group an oxygen atom, a sulfur atom, a sulfonyl group, a sulfoxide group, a carbonyl group, a hydroxyiminomethylene group, a dioxolan group, a nitrogen atom being optionally substituted; or a methylene group optionally substituted; or a methylene group optionally substituted; R1 represents a 2, 3 or 4-pyridine ring optionally substituted; R2 may represent a C1-6 alkyl group optionally; a C3-6 cycloalkyl group, a C1-4 alkythio group, a C1-4 alkoxy group, a C1-2 perhalogenated alkyl group, a C1-3 halogenated alkyl group, a phenylthio group, a benzyl group, a benzene ring, an indan ring, a 5,6,7,8-tetrahydronaphthalene ring, a naphthalene ring, a pyridine ring, a pyrrole ring, a thiophene ring, a furan ring or an imidazole ring; R3 and R4 represent, each independently, a hydrogen atom, a C1-6 alkyl group, a hydroxy group, a C1-4 alkoxy group or a halogen atom; R5 represents a hydrogen atom, a C1-6 alkyl group or a halogen atom; with the proviso that when R3 and R4 represent each a hydrogen atom then R5 is not a hydrogen 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.

    摘要翻译: 本发明涉及由式(I)表示的嘧啶酮衍生物或其盐,其中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,氧原子,硫原子,磺酰基,亚砜基,羰基,羟基亚氨基亚甲基,二氧戊环基,任选取代的氮原子; 或任选取代的亚甲基; 或任选取代的亚甲基; R1表示任选取代的2,3或4-吡啶环; R 2可以任选地表示C 1-6烷基; C 3-6环烷基,C 1-4链炔基,C 1-4烷氧基,C1-2全卤代烷基,C 1-3卤代烷基,苯硫基,苄基,苯环, 茚满环,5,6,7,8-四氢萘环,萘环,吡啶环,吡咯环,噻吩环,呋喃环或咪唑环; R 3和R 4各自独立地表示氢原子,C 1-6烷基,羟基,C 1-4烷氧基或卤素原子; R5表示氢原子,C1-6烷基或卤素原子; 条件是当R 3和R 4各自表示氢原子时,R 5不是氢原子。 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GSK3beta以及cdk5 / p25例如阿尔茨海默病的异常活动引起的神经退行性疾病 疾病。