Piperidine derivatives as antagonists of tachykinins

C - Chemistry – Metallurgy – 07 – D

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C07D 211/58 (2006.01) A61K 31/496 (2006.01) A61P 1/08 (2006.01)

Patent

CA 2425876

Formula (1) wherein R represents a halogen atom or a C1-4 alkyl group; R1 represents a C1-4 alkyl group; R2 represents hydrogen or a C1-4 alkyl group; R3 represents hydrogen, or a C1-4 alkyl group; R4 represents a trifluorometyl group; R5 represents hydrogen, a C1-4 alkyl group or C(0)R6; R6 represents C1- 4 alkyl, C3-7 cycloalkyl, NH(C1-4 alkyl) or N(C1-4alkyl)2; m is zero or an integer from 1 to 3; n is an integer from1 to 3 and pharmaceutically acceptable salts and solvates thereof; to processes for their preparation and their use in the treatment of conditions mediated bytachykinins.

L'invention se rapporte à un composé représenté par la formule développée (I) dans laquelle R représente un atome halogène ou un groupe alkyle C¿1?-C¿4?; R¿1? représente un groupe alkyle C¿1?-C¿4?; R¿2? représente un hydrogène ou un groupe alkyle C¿1?-C¿4?; R¿3? représente un hydrogène ou un groupe alkyle C¿1?-C¿4?; R¿4? représente un groupe trifluorométhyle; R¿5? représente un hydrogène, un groupe alkyle C¿1?-C¿4? ou C(O)R¿6?; R¿6? représente alkyle C¿1?-C¿4?, NH(alkyle C¿1?-C¿4?) ou N(alkyle C¿1?-C¿4?)¿2?; m est nul ou un entier compris entre 1 et 3; n est un entier compris entre 1 et 3. L'invention se rapporte également à des sels et à des solvates pharmaceutiquement acceptables de ce composé, à des procédés permettant leur préparation et à leur utilisation pour le traitement de troubles à médiation assurés par des tachykinines.

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