Pyrazolecarboxylic acid derivatives, their preparation,...

Details Pyrazolecarboxylic acid derivatives, their preparation,... Pyrazolecarboxylic acid derivatives, their preparation,...

C - Chemistry, Metallurgy

07

D

C07D 231/14 (2006.01) A61K 31/415 (2006.01) A61P 25/00 (2006.01) C07C 69/738 (2006.01) C07C 251/80 (2006.01)

Patent

CA 2358885

The invention concerns N-piperidino-5-(4-bromophenyl)-1- (2,4dichlorophenyl)-4-ethylpyrazole-3-carboxamide of formula (I), (See formula I) the salts and solvents thereof which are powerful antagonists of cannabinoid CB 1 receptors. The method for preparing them consists in reacting a functional derivative of 5-(4- brothophenyl)-1-(2,4-dichlorophenyl)-4-ethylpyrazole-3-carboxylic acid with 1-aminopiperidine with subsequent optional salification.

Le N-pipéridino-5-(4-bromophényl)-1-(2,4-dichloro phényl)-4-éthylpyrazole-3-carboxamide, ses sels et solvants sont des puissants antagonistes des récepteurs aux cannabinoïdes CB1. Ils sont préparés par réaction d'un dérivé fonctionnel de l'acide 5-(4-bromophényl)-1-(2,4-dichlorophényl)-4-éthylpyrazole-3-carboxylique avec la 1-aminopipéridine puis salification éventuelle.

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