A pyrimidone derivative represented by formula (I) or a salt thereof, or a solvate thereof or a hydrate thereof:
wherein:
Y represents two hydrogen atoms, a sulfur atom, an oxygen atom or a C1-2 alkyl group and a hydrogen atom;
Z represents a bond, an oxygen atom, a nitrogen atom substituted by a hydrogen atom or a C1-3 alkyl group, a sulphur atom, a methylene group optionally substituted;
R1 represents a 2, 3 or 4-pyridine ring or a 2, 4 or 5-pyrimidine ring, the ring being optionally substituted;
R2 represents a benzene ring or a naphthalene ring; the rings being optionally substituted;
R3 represents a hydrogen atom, a C1-6 alkyl group or a halogen atom;
R4 represents a hydrogen atom or a C1-6 alkyl group;
R5 represents a hydrogen atom, a C1-6 alkoxy carbonyl group or a C1-6 alkyl group optionally substituted;
R6 represents a hydrogen atom, a C1-6 alkyl group or a halogen atom;
R7 represents a hydrogen atom or a C1-6 alkyl group;
n represents 0 to 3; m represents 0 to 1; o represents 0 to 2.
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, such as Alzheimer disease.
一种以
化学式(I)表示的
嘧啶酮衍
生物,或其盐,或其溶剂合物,或其
水合物:
其中:
Y代表两个氢原子,一个
硫原子,一个氧原子或一个C1-2烷基团和一个氢原子;
Z代表一个键,一个氧原子,一个被氢原子或C1-3烷基团取代的氮原子,一个
硫原子,一个可选择性取代的亚甲基基团;
R1代表一个2、3或4-
吡啶环或一个2、4或5-
嘧啶环,环可选择性取代;
R2代表一个苯环或一个
萘环;环可选择性取代;
R3代表一个氢原子,一个C1-6烷基团或一个卤原子;
R4代表一个氢原子或一个C1-6烷基团;
R5代表一个氢原子,一个C1-6烷氧羰基团或一个可选择性取代的C1-6烷基团;
R6代表一个氢原子,一个C1-6烷基团或一个卤原子;
R7代表一个氢原子或一个C1-6烷基团;
n表示0到3;m表示0到1;o表示0到2。
该发明还涉及一种药物,包括所述衍
生物或其盐作为活性成分,用于预防和/或治疗由GSK3β异常活性引起的神经退行性疾病,如阿尔茨海默病。