Phosphodiesterase 4 inhibitors

C - Chemistry – Metallurgy – 07 – D

Patent

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Details

C07D 417/14 (2006.01) A61K 31/4015 (2006.01) A61K 31/4025 (2006.01) A61P 25/00 (2006.01) C07D 207/26 (2006.01) C07D 401/12 (2006.01) C07D 401/14 (2006.01) C07D 403/12 (2006.01) C07D 403/14 (2006.01) C07D 405/12 (2006.01) C07D 407/14 (2006.01) C07D 409/14 (2006.01) C07D 413/12 (2006.01) C07D 413/14 (2006.01) C07D 417/12 (2006.01)

Patent

CA 2584328

Selective PDE4 inhibition is achieved by novel compounds, e.g., 4-(substituted- phenyl)-2-pyrrolidinone compounds. The compounds of the present invention are of formula (I) wherein R1, R2, and R3 are as defined herein. The disclosure also relates to methods of preparing such compounds, compositions containing such compounds, and use for treating cognition impairment memory impairment, psychosis, schizophrenia, depression, allergic or inflammatory disease, chronic obstructive pulmonary disease, neurodegeneration, stroke, Alzheimer~s disease, multiple sclerosis.

L'inhibition sélective de la PDE4 peut être obtenue à l~aide de nouveaux composés, par exemple les dérivés de 2-pyrrolidinone portant en position 4 un groupement phényle substitué. Les composés décrits dans la présente invention répondent à la formule (I) où R1, R2 et R3 sont tels que définis dans la présente invention. La présente invention décrit également des méthodes de synthèse desdits composés, des préparations contenant lesdits composés, et l~utilisation desdits composés dans le traitement de troubles cognitifs, de troubles de la mémoire, de la psychose, de la schizophrénie, de la dépression, de maladies allergiques ou inflammatoires, de la bronchopneumopathie chronique obstructive, de la neurodégénérescence, d~accidents cérébrovasculaires, de la maladie d'Alzheimer, ou de la sclérose en plaques.

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