Compounds for use in therapy

A - Human Necessities – 61 – K

Patent

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Details

A61K 31/519 (2006.01) A61P 25/06 (2006.01)

Patent

CA 2365115

A method of treating migraine comprising the administration of a therapeutically effective amount of a compound of formula (I) including pharmaceutically acceptable salts, solvates, racemates, enantiomers, diastereoisomers and mixtures thereof in which: R1 represents H or one of the following groups (optionally substituted with one or more of halo, cyano, hydroxy or amino): C1-6alkyl, C1-6alkoxy or C1-6alkanoyl; R2 and R3 independently represent H or one of the following groups (optionally substituted with one or more of halo, cyano, hydroxy or amino): C1-6alkyl, C1- 6alkoxy, C1-6alkanoyl, C1-6alkylthio, C1-6alkylsulphinyl, C1-6alkylsulphonyl or hydroxy; R4 and R5 independently represent H, C1-6alkyl or R4 and R5 combined together with the carbon atom to which they are attached represent C3- 6cycloalkylidene (each alkyl or cycloalkylidene being optionally substituted with one or more of halo, cyano, hydroxy, amino or C1-6alkyl); and R6, R7 and R8 independently represent H, halo, hydroxy, mercapto, nitro, cyano or one of the following groups (optionally substituted with one or more of halo, cyano, hydroxy or amino; and any nitrogen atom being optionally substituted with one or more C1-6alkyl): C1-6alkyl, C1-6alkanoyl, C1-6alkoxy, C2-6alkoxycarbonyl, carboxy, C1-6alkanoyloxy, C1-6alkylthio, C1-6alkylsulphinyl, C1- 6alkylsulphonyl, C1-6alkylsulphonylamino, sulphamoyl, carbamoyl, C2- 6alkylcarbamoyl or C1-6alkanoylamino; to a mammal in need thereof.

L'invention concerne un procédé de traitement de la migraine consistant à administrer à un mammifère nécessitant ce traitement, une quantité thérapeutiquement efficace d'un composé représenté par la formule (I) comprenant des sels pharmaceutiquement acceptables, des solvats, des mélanges racémiques, des enantiomères, des diastéreo-isomères et leurs mélanges. Dans cette formule, R¿1? représente H ou un des groupes suivants (éventuellement substitués par un ou plusieurs parmi halo, cyano, hydroxy ou amino): alkyle C¿1-6?, alcoxy C¿1-6? ou alcanoyle C¿1-6?; R¿2? et R¿3? représentent indépendamment H ou un des groupes suivants (éventuellement substitués par un ou plusieurs parmi halo, cyano, hydroxy ou amino): alkyle C¿1-6?, alcoxy C¿1-6?, alcanoyle C¿1-6?, alkylthio C¿1-6?, alkylsulphinyle C¿1-6?, hydroxy ou alkylsulphonyle C¿1-6?; R¿4? et R¿5? représentent indépendamment H, alkyle C¿1-6? ou R¿4? et R¿5? combinés avec l'atome de carbone auquel ils sont liés représentent cycloalkylidène C¿3-6? (chaque alkyle ou cycloalkylidène étant éventuellement substitué par un ou plusieurs parmi halo, cyano, hydroxy, amino ou alkyle C¿1-6?); et R¿6?, R¿7? et R¿8? représentent indépendamment H, halo, hydroxy, mercapto, nitro, cyano ou des groupes suivants (éventuellement substitués par un ou plusieurs parmi halo, cyano, hydroxy ou amino; et chaque atome d'azote étant éventuellement substitué par un ou plusieurs alkyle C¿1-6?): alkyle C¿1-6?, alcanoyle C¿1-6?, alcoxy C¿1-6?, alcoxycarbonyle C¿2-6?, carboxy, alcanoyloxy C¿1-6?, alkylthio C¿1-6?, alkylsulphinyle C¿1-6?, alkylsulphonyle C¿1-6?, alkylsulphonylamino C¿1-6?, sulphamoyle, carbamoyle, alkyocarbamoyle C¿2-6? ou alcanoylamino C¿1-6?.

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