Novel cationic 2-acylaminophenols, their use as coupler for...

Details Novel cationic 2-acylaminophenols, their use as coupler for... Novel cationic 2-acylaminophenols, their use as coupler for...

C - Chemistry, Metallurgy

07

D

C07D 233/56 (2006.01) C07C 233/24 (2006.01) A61K 7/13 (2000.01)

Patent

CA 2323003

The invention concerns novel cationic 2-acylaminophenols of formula (I) comprising at least a cationic group, their use as coupler for oxidation dyeing of keratin fibres and in particular human keratin fibres such as hair, oxidation dyeing compositions containing them combined with at least an oxidation base, and oxidation dyeing methods using them.

L'invention a pour objet de nouveaux 2-acylaminophénols cationiques de formule (I) comportant au moins un groupement cationique, leur utilisation à titre de coupleur pour la teinture d'oxydation des fibres kératiniques et en particulier des fibres kératiniques humaines telles que les cheveux, les compositions de teinture d'oxydation les contenant en association avec au moins une base d'oxydation, et les procédés de teinture d'oxydation les mettant en oeuvre.

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