申请人:Sanofi-Aventis
公开号:US07429663B2
公开(公告)日:2008-09-30
The invention relates to a imidazo[1,2-a]pyrimidone derivative represented by formula (I) or a salt thereof: R1 wherein X represents a bond, an ethenylene group, an ethenylene group, a methylene group optionally substituted; a carbonyl group, an oxygen atom, a sulfur atom, a sulfonyl group, a sulfoxide group or a nitrogen atom being optionally substituted; R1 represents a 2, 4 or 5-pyrimidinyl optionally substituted; R2 represents a C1-6 alkyl group, a C1-2 perhalogenated alkyl group,a C1-3 halogenated alkyl group, a benzyl group, a benzene ring, a naphthalene ring, 5,6,7,8-tetrahydronaphthalene ring, a pyridine ring, an indole ring, a pyrrole ring, a thiophene ring, a furan ring or an imidazole ring, the benzyl group and the rings being optionally substituted; and n represents 0 to 3. 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.
本发明涉及一种
咪唑[1,2-a]
嘧啶酮衍
生物,其
化学式为(I)或其盐:其中X代表键,
乙烯基,
乙烯基,可选择取代的亚甲基;羰基,氧原子,
硫原子,磺酰基,亚磺酰基,或可选择取代的氮原子;R1代表2,4或5-
嘧啶基,可选择取代;R2代表C1-6烷基,C1-2全卤烷基,C1-3卤代烷基,苄基,苯环,
萘环,5,6,7,8-四氢
萘环,
吡啶环,
吲哚环,
吡咯环,
噻吩环,
呋喃环或
咪唑环,其中苄基和环可选择取代;n代表0到3。本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,例如阿尔茨海默病。