3-benzylaminopyrrolidines and piperidines as tachykinin...

C - Chemistry – Metallurgy – 07 – D

Patent

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C07D 401/12 (2006.01) A61K 31/40 (2006.01) A61K 31/41 (2006.01) A61K 31/445 (2006.01) A61K 31/495 (2006.01) A61K 31/53 (2006.01) C07D 403/12 (2006.01) C07D 405/12 (2006.01) C07D 409/12 (2006.01) C07D 413/12 (2006.01) C07D 417/12 (2006.01)

Patent

CA 2238711

The present invention relates to compounds of formula (I) or a pharmaceutically acceptable salt or prodrug thereof, wherein R1 is an optionally substituted 5- or 6-membered aromatic heterocyclic group containing 1,2,3 or 4 heteroatoms selected from nitrogen, oxygen and sulphur; R2 and R4 represent a variety of substituents; R3 is H or C1-6alkyl; R5 is H, halogen, C1-6alkyl, C1-6alkoxy substituted by C1-4alkoxy or CF3; R6a is H or C1-6alkyl; R6b is C1-6alkyl optionally substituted by a hydroxy group or the group - CO2Rc, where Rc is C1-6alkyl; R9 is halogen, C1-6alkyl, oxo, CO2Ra or CONRaRb; m is zero or 1; n is 1 or 2; and q is zero, 1 or 2. The compounds are of particular use in the treatment or prevention of pain, inflammation, migraine, emesis and postherpetic neuralgia.

L'invention concerne des composés de formule (I), un de leurs sels pharmaceutiquement acceptables ou une de leurs prodrogues, où R?1¿ est un groupe hétérocyclique aromatique à 5 ou 6 éléments, éventuellement substitué, contenant 1, 2, 3 ou 4 hétéroatomes choisis entre azote, oxygène et soufre; R?2¿ et R?4¿ représentent une variété de substituants; R?3¿ est H ou C¿1?-C¿6? alkyle; R?5¿ est H, halogène, C¿1?-C¿6? alkyle, C¿1?-C¿6? alcoxy substitué par C¿1?-C¿6? alcoxy ou CF¿3?; R?6a¿ est H ou C¿1?-C¿6? alkyle; R?6b¿ est C¿1?-C¿6? alkyle éventuellement substitué par un groupe hydroxy ou par le groupe -CO¿2?R?c¿, où R?c¿ est C¿1?-C¿6? alkyle; R?9¿ est halogène, C¿1?-C¿6? alkyle, oxo, CO¿2?R?a¿ ou CONR?a¿R?b¿; m est zéro ou 1; n est 1 ou 2; et q est zéro, 1 ou 2. Ces composés sont particulièrement utiles pour le traitement ou la prévention de la douleur, de l'inflammation, de la migraine, des vomissements et des névralgies post-herpétiques.

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