Patent FR-2949054-A1 (FR)
Title: Composition, useful for dyeing keratin fibers, comprises coupler comprising 1-(2-hydroxy-ethyl)-1H-indol-4-ol and oxidation bases comprising aminopyrazolopyridine compound in a medium
Inventor: COUROUX ANNE-MARIE
IPC: A61K8/49
Filed: 2009-08-12
Abstract: Composition (A) comprises: a coupler comprising 1-(2-hydroxy-ethyl)-1H-indol-4-ol (I) or its addition salts with an acid and at least one oxidation bases comprising aminopyrazolopyridine compound of formula (II) or (III) in a medium. Composition (A) comprises: a coupler comprising 1-(2-hydroxy-ethyl)-1H-indol-4-ol (I) or its addition salts with an acid and at least one oxidation bases comprising aminopyrazolopyridine compound of formula (II) or (III) in a medium. R 1>-R 5>H, halo, NHSO 3H, OH, 1-4C alkyl, 1-4C alkoxy, 1-4C alkylthio, mono-1-4C alkylamino, di(1-4C)alkylamino (in which the two alkyl groups may together with N to which they are attached form a ring that may be interrupted by one or more N, O or S), heterocycle, nitro group, phenyl, carbonyl group, a alkoxy(1-4C) carbonyl, carboxamido, cyano, amino group, sulfonyl group, -CO 2H, -SO 3H, -PO 3H 2, PO 4H 2or group of formula (-Q-C(=R3a)-Y 1>); R3a : O or N; Q : O, NH or NH-1-4C alkyl; Y 1>OH, amino, 1-4C alkyl, 1-4C alkoxy, 1-4C alkylamino, or di(1-4C)alkylamino; Z 1>, Z 2>covalent single bond, divalent group, -O-(CH 2) p-, or group of formula (-NR6a(CH 2) q(C 6H 4) t-); p, q : 0-6; t : 0 or 1; R6a : H or 1-6C alkyl optionally substituted by one or more OH, where Z 1>may also represent a divalent group comprising -S-, -SO-, or -SO 2- (when R1a is methyl), and when Z 1>and Z 2>is covalent bond, then R1a and R2a is optionally substituted 1-6C alkylcarbonyl, -O-CO-R, -COOR, NR-CO-Raa or -CO-NRRaa; R1a, R2a : H, 1-10C alkyl (optionally substituted and interrupted by heteroatom or group comprising O, N, Si, S, SO or SO 2), halo, SO 3H, 5-8 membered aryl ring (optionally substituted, saturated and containing group comprising O, N, S, CO or SO 2and the ring is optionally cationic ring and/or substituted by cationic group) or group of formula (-N +>R 1>7>R 1>8>R 1>9>); R 1>7>, R 1>8>, R 1>9>linear or branched 1-5C alkyl optionally substituted by one or more OH; R3a-R5a : H, OH, 1-6C alkoxy, 1-6C alkylthio, amino, mono-alkylamino, di(1-6C)alkylamino (in which the alkyl groups may together with N to which they are attached form a optionally saturated aromatic 5-8 membered heterocycle that may be optionally containing one or more heteroatom or group comprising e N, O, S, CO or SO 2, where the heterocycle may be cationic, and/or substituted by cation group), optionally substituted 1-6C alkylcarbonyl, halo, O-CO-R, -COOR, NR-CO-Raa, -CO-NRRaa, NHSO 3H, optionally substituted 1-4C alkyl, aromatic carbon ring (optionally saturated and substituted); R3a-R5a : optionally saturated two to two ring; X : ion or ion groups to ensure the electronegativity of (II); and R, Raa : H or optionally substituted 1-6C alkyl. Provided that R1a and R2a is cationic group. Independent claims are included for: (1) dyeing keratin fibers, comprising applying (A) on the keratin fibers in the presence of one or more oxidizing agents during sufficient time to develop the desired color; and (2) multi-compartment device comprising: a first compartment containing (A); and a second compartment containing one or more oxidizing agents. [Image].