1-[alkyl], 1-[(heteroaryl)alkyl] and 1-[(aryl)alkyl]-7-(pyrimidin-4-yl)-imidazo[1,2-a]pyrimidin-5(1H)-one derivatives
                        
                            
                                申请人:SANOFI-SYNTHELABO
                            
                            
                                公开号:EP1340759A1
                            
                            
                                公开(公告)日:2003-09-03
                            
                            
The invention relates to a imidazo[1,2-a]pyrimidone derivative represented by formula (I) or a salt thereof:
 Wherein:
X represents a bond, an ethenylene group, an ethynylene 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 phenyl ring, a naphthyl ring, 5,6,7,8-tetrahydronaphthyl ring, a pyridyl 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.
                            本发明涉及一种由式(I)表示的
咪唑并[1,2-a]
嘧啶酮衍
生物或其盐:
其中,X代表一个键,一个
乙烯基,一个
乙炔基,一个甲基基团可选择性地被取代的羰基,一个氧原子,一个
硫原子,一个磺酰基,一个亚
磺酸基或一个氮原子,R1代表一个选择性取代的2、4或5-
嘧啶基,R2代表一个C1-6烷基,一个C1-2
全氟烷基,一个C1-3卤代烷基,一个苄基,一个苯环,一个
萘环,5,6,7,8-四氢
萘环,一个
吡啶环,一个
吲哚环,一个
吡咯环,一个
噻吩环,一个
呋喃环或一个
咪唑环,其中苄基和环可选择性地被取代,n代表0到3。
本发明还涉及一种药物,其包含所述衍
生物或其盐作为活性成分,用于预防和/或治疗由GSK3β异常活动引起的神经退行性疾病,例如阿尔茨海默病。