Heteroaryl substituted 2-pyridinyl and 2-pyrimidinyl-6,7,8,9-tetrahydropyrimido[1,2-a]pyrimidin-4-one derivatives
申请人:Lochead Alistair
公开号:US20050222172A1
公开(公告)日:2005-10-06
The invention relates to a pyrimidone derivative represented by formula (I) or a salt thereof wherein: (1) X represents two 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 or a methylene group optionally substituted; R1 represents a 2, 3 or 4-pyridine ring or a 2, 4 or 5-pyrimidine ring optionally substituted; R2 represents a heterocyclic bicyclic rings, having 1-4 heteroatoms selected from an oxygen atom, a sulfur atom and a nitrogen atom and having 5-9 carbon atoms, of formula (II) R3 represents a hydrogen atom, a C
1-6
alkyl group, a hydroxy group, a C
1-4
alkoxy group or a halogen atom; R4 represents a hydrogen atom, a C
1-6
alkyl group, a C
1-4
alkoxy group or a halogen 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.
HETEROARYL SUBSTITUTED 2-PYRIDINYL AND 2-PYRIMIDINYL -6,7,8,9-TETRAHYDROPYRIMIDO[1,2-a] PYRIMIDIN-4-ONE DERIVATIVES
申请人:LOCHEAD Alistair
公开号:US20070225300A1
公开(公告)日:2007-09-27
The invention relates to use of a pyrimidone derivative represented by formula (I) or a salt thereof wherein:
X, Y, R1, R2, R3, R4, R5, m, n and p are as defined herein. In particular, the invention relates 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.
Heteroaryl substituted 2-pyridinyl and 2-pyrimidinyl -6,7,8,9-tetrahydropyrimido[1,2-a] pyrimidin-4-one derivatives
申请人:Sanofi-Aventis
公开号:US07465737B2
公开(公告)日:2008-12-16
The invention relates to use of a pyrimidone derivative represented by formula (I)or a salt thereof wherein:
X, Y, R1, R2, R3, R4, R5, m, n and p are as defined herein. In particular, the invention relates 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.
Heteroaryl substituted 2-pyrimidinyl-6,7,8,9-tetrahydropyrimido[1,2-a]pyrimidin-4-one and 7-pyrimidinyl-2,3-dihydroimidazo[1,2-a]pyrimidin-5(1H)one derivatives
申请人:SANOFI-SYNTHELABO
公开号:EP1348708A1
公开(公告)日:2003-10-01
The invention relates to a pyrimidone derivative represented by formula (I) or a salt thereof wherein:
X represents two hydrogen atoms, a sulphur atom, an oxygen atom or a C1-2 alkyl group and a hydrogen atom;
Y represents a bond, an ethenylene group, an ethynylene group or a methylene group optionally substituted by one or two groups chosen from a C1-6 alkyl group, a hydroxy group or a C1-4 alkoxy group;
R1 represents a 2, 4 or 5-pyrimidine ring optionally;
R2 represents a heterocyclic bicyclic rings, having 1-4 heteroatoms selected from an oxygen atom, a sulfur atom and a nitrogen atom and having 5-9 carbon atoms, of formula
R3 represents a hydrogen atom, a C1-6 alkyl group, a hydroxy group, a C1-4 alkoxy group or a halogen atom;
R4 represents a hydrogen atom, a C1-6alkyl group, a C1-4alkoxy group or a halogen 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.