1-'2-(4-hydroxyphenyl)-2-hydroxyethyl!-piperidin-4-ol...

C - Chemistry – Metallurgy – 07 – D

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Details

C07D 401/04 (2006.01) A61K 31/451 (2006.01) A61K 31/4523 (2006.01) A61P 25/00 (2006.01) C07D 211/52 (2006.01) C07D 405/04 (2006.01) C07D 417/04 (2006.01)

Patent

CA 2541831

This invention provides a compound of the formula (I), wherein R1 and R2 independently represents a hydrogen atom or the like; R3 represents an aryl group having from 6 to 10 ring carbon or the like; said aryl groups having from 6 to 10 ring carbon atoms and said heteroaryl groups having from 5 to 10 atoms are unsubstituted or are substituted by at least one substituent selected from the group consisting of substituents a; said substituents a are selected from the group consisting of halogen atoms or the like; or a pharmaceutically acceptable ester of such compound, or a pharmaceutically acceptable salt thereof. These compounds are useful for the treatment of disease conditions caused by overactivation of NMDA NR2B receptor such of pain, or the like in mammalian. This invention also provides a pharmaceutical composition comprising the above compound.

L'invention concerne un composé de la formule (I), dans laquelle R?1¿ et R?2¿ représentent indépendamment un atome d'hydrogène ou similaire; R?3¿ représente un groupe aryle portant de 6 à 10 atomes de carbone cyclique ou similaire; lesdits groupes aryle portant de 6 à 10 atomes de carbone cyclique et lesdits groupes hétéroaryle portant de 5 à 10 atomes sont non substitués ou sont substitués par au moins un substituant choisi dans le groupe composé des substituants .alpha.; lesdits substituants .alpha. sont choisis dans le groupe composé des atomes d'halogène ou similaire; ou bien un ester pharmaceutiquement acceptable de ce composé ou encore un de ses sels pharmaceutiquement acceptables. Ces composés sont utiles pour le traitement d'états pathologiques provoqués par la suractivation du récepteur NR2B du NMDA, par exemple les douleurs ou des états similaires chez les mammifères. L'invention concerne également une composition pharmaceutique contenant le composé précité.

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