2-substituted-6-heterocyclic pyrimidone derivatives

C - Chemistry – Metallurgy – 07 – D

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C07D 413/14 (2006.01) A61K 31/513 (2006.01) A61P 3/00 (2006.01) A61P 19/00 (2006.01) A61P 25/00 (2006.01) A61P 33/00 (2006.01) A61P 35/00 (2006.01)

Patent

CA 2674557

A compound represented by the formula (I), an optically active isomer thereof, or a pharmaceutical acceptable salt thereof: wherein each R1 represents hydrogen atom or the like; X represents oxygen atom or the like; A represents a C3-C7 cycloalkyl group, a C6-C10 aryl group or a heterocyclic group; R6represents a halogen atom or the like; s represents 0 or an integer of 1 to 5; Q represents a pyridine ring which may be substituted or pyrimidine ring; and R2represents hydrogen atom or the like, which is used for preventive and/or therapeutic treatment of a disease caused by abnormal activity of tau protein kinase 1 such as a neurodegenerative diseases (e.g. Alzheimer disease).

L'invention concerne un composé représenté par la formule (I), un isomère optiquement actif de celui-ci ou un sel pharmaceutiquement acceptable de celui-ci : dans laquelle chaque R1représente un atome d'hydrogène ou similaire; X représente un atome d'oxygène ou similaire; A représente un groupe cycloalkyle en C3-C7, un groupe aryle en C6-C10ou un groupe hétérocyclique; R6représente un atome d'halogène ou similaire; s représente 0 ou un entier de 1 à 5; Q représente un noyau pyridine pouvant être substitué ou un noyau pyrimidine; et R2représente un atome d'hydrogène ou similaire utilisé pour un traitement préventif et/ou thérapeutique d'une maladie provoquée par une activité anormale de la protéine kinase tau 1, telle que des maladies neurodégénératives (par exemple la maladie d'Alzheimer).

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