Cationic methylenedioxy benzenes, their use for oxidation...

Details Cationic methylenedioxy benzenes, their use for oxidation... Cationic methylenedioxy benzenes, their use for oxidation...

C - Chemistry, Metallurgy

07

D

C07D 405/12 (2006.01) C07D 317/66 (2006.01) A61K 7/13 (2000.01)

Patent

CA 2322990

The invention concerns novel methylenedioxy-benzenes comprising at least a cationic group Z, Z being selected among quaternized aliphatic chains, aliphatic chains comprising at least a saturated quaternized cycle, and aliphatic chains comprising at least an unsaturated quaternized cycle, their use as oxidation dye precursors for oxidation dyeing of keratin fibres, dyeing compositions containing them, and dyeing methods using them.

L'invention a pour objet de nouveaux méthylènedioxy-benzènes comportant au moins un groupement cationique Z, Z étant choisi parmi des chaînes aliphatiques quaternisées, des chaînes aliphatiques comportant au moins un cycle saturé quaternisé, et des chaînes aliphatiques comportant au moins un cycle insaturé quaternisé, leur utilisation à titre de précurseurs de colorant d'oxydation pour la teinture d'oxydation des fibres kératiniques, les compositions tinctoriales les contenant, ainsi que les procédés de teinture d'oxydation les mettant en oeuvre.

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