2-Pyridinyl-6,7,8,9-tetrahydropyrimido[1,2-A]pyrimidin-4-one and 7-pyridinyl-2,3-dihydoimidazo[1,2-A]pyrimidin-5(1H)one derivatives
申请人:Almario Garcia Antonio
公开号:US20060014762A1
公开(公告)日:2006-01-19
The invention relates to a pyrimidone derivative represented by formula (I) or a salt thereof:
wherein:
X represents 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, a 1,2-cyclopropylene, an oxygen atom, a sulphur atom, a sulfonyl group, a sulfoxyde group, a carbonyl group, a nitrogen atom being optionally substituted; or a methylene group optionally substituted;
R1 represents a 2, 3 or 4-pyridyl group optionally substituted by a C
3-6
cycloalkyl group a C
1-4
alkyl group, a C
1-4
alkoxy group, a benzyl group or a halogen atom;
when Y represents a bond, a methylene group optionally substituted or a carbonyl group then R2 represents a C
1-6
alkyl group, a C
3-6
cycloalkyl group, a C
1-4
alkylthio group, a C
1-4
alkoxy group, a C
1-2
perhalogenated alkyl group, a C
1-3
halogenated alkyl group, a 5,6,7,8-tetrahydronaphthyl ring, a naphthyl ring, a phenylthio group, a benzyl group, a phenyl ring, a pyridyl ring, an indole ring, a pyrrole ring, a thiophene ring, a furan ring or an imidazole ring;
when Y represents an ethenylene group, an ethynylene group, an oxygen atom, a sulphur atom, a sulfonyl group, a sulfoxyde group or a nitrogen atom being optionally substituted then R2 represents a C
1-6
alkyl group, a C
3-6
cycloalkyl group, a C
1-2
perhalogenated alkyl group, a C
1-3
halogenated alkyl group, a naphthyl ring, a 5,6,7,8-tetrahydronaphthyl ring, a benzyl group, a phenyl ring, a pyridyl ring, an indole ring, a pyrrole ring, a thiophene ring, a furan ring or an imidazole ring. And 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 diseases caused by abnormal activity of GSK3β such as Alzheimer's disease.
本发明涉及一种由式(I)或其盐所表示的嘧啶酮衍生物:其中:X代表氢原子,硫原子,氧原子或C1-2烷基和氢原子;Y代表键,乙烯基,乙炔基,1,2-环丙基,氧原子,硫原子,磺酰基,磺酸氧基,羰基,氮原子(可选地被取代)或取代的亚甲基基团;R1代表2、3或4-吡啶基团,可选地被C3-6环烷基,C1-4烷基,C1-4烷氧基,苄基或卤原子取代;当Y代表键,可选地被取代的亚甲基基团或羰基时,R2代表C1-6烷基,C3-6环烷基,C1-4烷硫基,C1-4烷氧基,C1-2全卤代烷基,C1-3卤代烷基,5,6,7,8-四氢萘基环,萘基环,苯基硫基,苄基,苯基环,吡啶基环,吲哚基环,吡咯基环,噻吩基环,呋喃基环或咪唑基环;当Y代表乙烯基,乙炔基,氧原子,硫原子,磺酰基,磺酸氧基或可选地被取代的氮原子时,R2代表C1-6烷基,C3-6环烷基,C1-2全卤代烷基,C1-3卤代烷基,萘基环,5,6,7,8-四氢萘基环,苄基,苯基环,吡啶基环,吲哚基环,吡咯基环,噻吩基环,呋喃基环或咪唑基环。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异常活性引起的神经退行性疾病,如阿尔茨海默病。