Organic compounds -- part of the class 532-570 series – Organic compounds – Nitrogen attached directly or indirectly to the purine ring...
Reexamination Certificate
2008-09-30
2008-09-30
Coleman, Brenda (Department: 1624)
Organic compounds -- part of the class 532-570 series
Organic compounds
Nitrogen attached directly or indirectly to the purine ring...
C514S259300
Reexamination Certificate
active
10504679
ABSTRACT:
The invention relates to a imidazo[1,2-a]pyrimidone derivative represented by formula (I) or a salt thereof: R1wherein 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; R1represents a 2, 4 or 5-pyrimidinyl optionally substituted; R2represents a C1-6alkyl group, a C1-2perhalogenated alkyl group,a C1-3halogenated 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.
REFERENCES:
patent: 1184384 (2002-03-01), None
patent: 1295884 (2003-03-01), None
patent: WO00/18758 (2000-04-01), None
Lochead Alistair
Saady Mourad
Yaiche Philippe
Coleman Brenda
Gupta Balaram
Mitsubishi Pharma Corporation
Moore Susanna
Sanofi-Aventis
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