Carboxylic acid compounds

C - Chemistry – Metallurgy – 07 – C

Patent

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Details

C07C 235/42 (2006.01) A61K 31/192 (2006.01) A61K 31/351 (2006.01) A61K 31/381 (2006.01) A61K 31/404 (2006.01) A61K 31/44 (2006.01) A61K 31/4433 (2006.01) A61P 13/10 (2006.01) A61P 17/02 (2006.01) A61P 29/00 (2006.01) A61P 43/00 (2006.01) C07C 235/46 (2006.01) C07C 237/30 (2006.01) C07C 255/54 (2006.01) C07C 255/58 (2006.01) C07C 323/20 (2006.01) C07D 209/18 (2006.01) C07D 209/30 (2006.01) C07D 213/55 (2006.01) C07D 309/14 (2006.01)

Patent

CA 2515516

A carboxylic acid compound represented by the following general formula (I), its pharmaceutically acceptable salt, a process for producing the same and a drug containing the same as the active ingredient: (I) wherein R1 represents H or alkyl; m is 2 or 3; n is an integer of from 0 to 2; R2 represents phenyl, naphthyl, benzofuran or benzothiophene; Q represents -CH2-O-Cyc1, -CH2-Cyc2 or -L-Cyc3; and R3a and R3b independently represent each hydrogen or alkyl, or R3a and R3b represent together tetrahydro-2H-pyrane. Because of having antagonism specifically to PGE2 receptors (in particular, EP3 receptor which is one of the subtypes thereof), compounds represented by the general formula (I) are useful in preventing and/or treating itching, pain, urinary disorder or stress-induced diseases.

L'invention concerne un composé d'acide carboxylique représenté par la formule générale suivante (I), dans laquelle R?1¿ représente H ou alkyle ; m désigne 2 ou 3 ; n est un nombre entier de 0 à 2 ; R?2¿ représente phényle, naphthyle, benzofuranne ou benzothiopène ; Q représente -CH¿2?-O-Cycl1, -CH¿2?-Cyc2 ou L-Cyc3 et R?3a¿ et R?3b¿ représentent chacun indépendamment hydrogène ou alkyle, ou R?3a¿ et R?3b¿ représentent ensemble tétrahydro-2H-pyrane. Ladite invention concerne également un sel pharmaceutiquement acceptable dudit composé, un procédé de production dudit composé et un médicament contenant ce dernier en tant que principe actif. Du fait que ces composés exercent un antagonisme spécifique sur les récepteurs PGE¿2? (en particulier, le récepteur EP¿3? qui est un des sous-types desdits récepteurs), ces composés sont utiles dans la prévention et/ou le traitement du prurit, de la douleur, de troubles urinaires ou de maladies provoquées par le stress.

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