Primary intermediates for oxidative coloration of hair

Details Primary intermediates for oxidative coloration of hair Primary intermediates for oxidative coloration of hair

C - Chemistry, Metallurgy

07

D

C07D 333/20 (2006.01) A61K 8/41 (2006.01) A61K 8/49 (2006.01) A61Q 5/10 (2006.01) C07C 209/00 (2006.01) C07C 211/48 (2006.01) C07C 211/54 (2006.01) C07C 215/76 (2006.01) C07D 207/335 (2006.01)

Patent

CA 2433685

Primary intermediates for hair coloring compositions for oxidative dyeing of hair are compounds of formula (I): wherein R is selected from C1 to C5 alkyl or hydroxyalkyl, a C3 to C6 cyclic ring containing hetero atoms selected from O, S and N atoms, and -CH2-Ar where Ar is an aromatic ring wherein the aromatic ring may be substituted with one or two hydroxy C1 to C3 alkoxy, or amino groups.

La présente invention concerne des intermédiaires primaires destinés à des compositions de coloration capillaire permettant de réaliser la coloration des cheveux par oxydation, lesdits intermédiaires se caractérisant par la formule (I) dans laquelle R est alkyle ou hydroxyalkyle en C¿1? à C¿5?, un composé cyclique en C¿3? à C¿6? contenant des hétéroatomes choisis parmi les atomes O, S et N, et -CH¿2?-Ar où Ar est un cycle aromatique qui peut être substitué avec un ou deux hydroxy, alkoxy en C¿1? à C¿3?, ou groupes amino.

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