Ethanesulfonyl-piperidine derivatives

C - Chemistry – Metallurgy – 07 – D

Patent

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Details

C07D 211/46 (2006.01) A61K 31/445 (2006.01) A61P 25/00 (2006.01) C07D 211/14 (2006.01) C07D 211/30 (2006.01)

Patent

CA 2376091

The invention relates to compounds of general formula (I) wherein R signify hydrogen or hydroxy; R2 signify hydrogen or methyl; and X signify -O- or -CH2-; and their pharmaceutically acceptable acid addition salts. It has been shown that these compounds have a good affinity to the NMDA receptor and they are therefore useful in the treatment of diseases, wherein the therapeutic indications include acute forms of neurodegeneration caused, e.g., by stroke or brain trauma; chronic forms of neurodegeneration such as Alzheimer's disease, Parkinsons's disease, Huntington's disease or ALS (amyotrophic lateral sclerosis); neurodegeneration associated with bacterial or viral infections, and, diseases such as schizophrenia, anxiety, depression and chronic/acute pain.

L'invention concerne des composés de formule générale (I), dans laquelle R représente hydrogène ou hydroxy, R<2> désigne hydrogène ou méthyle, et X symbolise -O- ou -CH2-. Cette invention concerne également les sels d'addition acide pharmaceutiquement acceptables de ces composés. Les composés de cette invention présentant une affinité satisfaisante avec le récepteur NMDA, ils sont donc utiles pour traiter certaines maladies dont les indications thérapeutiques comprennent notamment: des formes aiguës de neurodégénérescence causée, par exemple, par un accident vasculaire cérébral ou un trauma crânien; des formes chroniques de neurodégénérescence comme la maladie d'Alzheimer, la maladie de Parkinson, la chorée de Huntington, ou la sclérose latérale amyotrophique (SLA); la neurodégénérescence liée à des infections bactériennes ou virales; et enfin des maladies comme la schizophrénie, l'anxiété, la dépression et la douleur chronique/aiguë.

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