Primary intermediates for oxidative coloration of hair

C - Chemistry – Metallurgy – 07 – D

Patent

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C07D 295/135 (2006.01) A61K 8/34 (2006.01) A61K 8/41 (2006.01) A61K 8/49 (2006.01) A61Q 5/10 (2006.01) C07C 211/49 (2006.01) C07C 215/14 (2006.01) C07C 215/76 (2006.01) C07C 217/58 (2006.01) C07C 217/84 (2006.01) C07D 211/06 (2006.01) C07D 233/54 (2006.01)

Patent

CA 2433378

Primary intermediates for hair coloring compositions for oxidative dyeing of hair are compounds of the formula (1): where R1, and R2 are each individually selected from a hydrogen atom, a C1 to C3 alkyl group, a C1 to C5 mono or dihydroxyalkyl group; phenyl or benzyl optionally substituted with an alkoxy group, or R1, and R2 together with the nitrogen atom to which they are attached form a piperazine, piperidine, imidazole, or morpholine ring.

L'invention concerne des produits intermédiaires primaires destinés à des compositions de coloration capillaire produisant une coloration oxydante des cheveux. Ces produits sont les composés représentés par la formule (1), dans laquelle R¿1?, et R¿2? sont choisis indépendamment l'un de l'autre parmi un atome d'hydrogène, un groupe alkyle C¿1? à C¿3? ; un groupe mono ou dihydroxyalkyle C¿1? à C¿5? ; le phényle ou le benzyle présentant éventuellement une substitution par un groupe alcoxy, ou R¿1?, et R¿2? associés à l'atome d'azote auquel ils sont liés, forment une pipérazine, une pipéridine, un imidazole ou un noyau morpholine.

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