Compositions for dyeing keratinous fibres containing 3-amino...

Details Compositions for dyeing keratinous fibres containing 3-amino... Compositions for dyeing keratinous fibres containing 3-amino...

C - Chemistry, Metallurgy

07

D

C07D 471/04 (2006.01) C07D 221/00 (2006.01) C07D 231/00 (2006.01) A61K 7/13 (2000.01)

Patent

CA 2391980

The invention concerns novel oxidative compositions for dyeing keratinous fibres comprising at least a 3-amino-pyrazolo-[1,5-a]-pyridine of Formula (I), the dyeing method using said composition, novel 3-amino pyrazolo-[1,5-a]-pyridines, and the method for preparing them.

L'invention a pour objet de nouvelles compositions pour la teinture d'oxydation des fibres kératiniques comprenant au moins une 3-amino pyrazolo- [1,5-a]-pyridine de formule (I), le procédé de teinture mettant en oeuvre cette composition, de nouvelles 3-amino pyrazolo-[1,5-a]-pyridines, ainsi que leur procédé de préparation.

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