Novel cationic di-methylenedioxy-benzenes, their use for...

Details Novel cationic di-methylenedioxy-benzenes, their use for... Novel cationic di-methylenedioxy-benzenes, their use for...

C - Chemistry, Metallurgy

07

D

C07D 405/14 (2006.01) C07D 317/66 (2006.01) A61K 7/13 (2000.01)

Patent

CA 2322996

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

L'invention a pour objet de nouveaux di-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 précurseur 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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