Patent FR-2925847-A1 (FR)
Title: Composition, useful for oxidation coloring of keratin fibers, preferably hair, comprises cationic direct dyes having tetraazapentamethine structure, resorcinol coupler and oxidation base
Inventor: LAGRANGE ALAIN
IPC: A61K8/34
Filed: 2007-12-26
Abstract: Composition (A) for oxidation coloring of keratin fibers, preferably hair, comprises: one or more cationic direct dyes having tetraazapentamethine structure (I); resorcinol coupler; and one or more oxidation base in a medium, where the weight ratio of cationic direct dyes (I) to the resorcinol coupler is 0.01-100. Composition (A) for oxidation coloring of keratin fibers, preferably hair, comprises: one or more cationic direct dyes having tetraazapentamethine structure of formula (W 1-N=N-C(R 0)=N-N=W 2) (I); one or more resorcinol coupler; and oxidation base in a medium, where the weight ratio of the amount of cationic direct dyes (I) to the resorcinol coupler is 0.01-100. W 1heteroaromatic cationic group of formula (II) or (III); W 2heteroaromatic group of formula (IV) or (V); Z 0N, CR 2or NR 21; Z 1O, S, NR 9or CR 13; Z 2CR 10; Z 3CR 11; Z 4CR 12; Z 5N, CR 3, or C; Z 6N or CR 14; Z 7O, S, NR 15or CR 19; Z 8N or CR 16; Z 9N or CR 17; Z 10N or CR 18; Z 11N, CR 8or C; Z 12N or CR 20; Z 13CR 6, N or NR 22; T : OH, 1-2C alkoxy, 2-4C (poly)-hydroxyalkoxy, NH 2, (di)(1-2C alkyl)amino, carboxy or sulfonic group; R 1, R 4, R 5, R 7, R 9, R 15, R 21, R 221-8C alkyl (optionally substituted by 1-3 groups of T); either R 2, R 6, R 10, R 13, R 16, R 19H, 1-4C alkyl (optionally substituted by 1-3 groups of T), phenyl (optionally substituted by 1-3 groups of OH, 1-2C alkoxy, 2-4C (poly)-hydroxyalkoxy, NH 2or (di)(1-2C alkyl)amino), carboxy, or sulfoamino (HO 3S-NH-); and R 0, R 3, R 8, R 11, R 12, R 14, R 17, R 18, R 20H, 1-16C hydrocarbon chain (optionally saturated and substituted by 1-3 groups of T, sulfoamino, 2-4C (poly)hydroxyalkylamino, or halo (preferably Cl, F or Br)), hydrocarbon chain (optionally interrupted by one or two O, N, S or SO 2), 1-4C alkoxy (optionally substituted by 1 or 2 OH groups), phenyl (optionally substituted by OH, 1-2C alkoxy, 2-4C (poly)hydroxyalkoxy, amino, (di)(1-2C alkyl)amino, carboxy, sulfonic groups or halo (preferably Cl, F or Br)), 5-6 membered aromatic heterocyclic groups (preferably pyrazolyl, pyrrolyl, imidazolyl, thiazolyl, oxazolyl, triazolyl, pyridinyl, pyrimidinyl, triazinyl, pyrazinyl or pyridazinyl or their cationic equivalents of N, or N having 1-6C alkyl), sulfoamino (HO 3S-NH-), carboxy, amino, (di)(1-4C alkyl)amino or 2-4C (poly)-hydroxyalkylamino; or R 2R 10, R 11R 12, R 6R 16, R 17R 185-6 membered aromatic cycle optionally substituted by one or two groups of OH, NH 2, (di)(1-2C alkyl)amino, 1-2C alkoxy, or 2-4C amino(poly)hydroxyalkyl; and X ->organic or inorganic anion. Where: the groups (II)-(V) does not have more than three nitrogen atoms, and two of the three nitrogen atoms can be adjacent; the bond a of 5 membered cationic heteroaromatic group (II) is linked to N, which is linked to W 1of (I); the bond b of 6 membered cationic heteroaromatic group (III) is linked to N, which is linked to W 1of (I); the double bond c of 5 membered heteroaromatic group (IV) is linked to the N, which is linked to W 2of (I); the double bond d of 6 membered heteroaromatic group (V) is linked to the N, which is linked to W 2of (I); the bond b, linking the heteroaromatic group (III) to N, which is linked to W 1of (I), is situated in ortho position of the N carrying the group R 4when Z 5is -CR 3-, or in para position of the N carrying the group R 4, when Z 5is C, or in ortho position of the N carrying the group R 4, when Z 5is N; or the bond c, linking the heteroaromatic group (V) to N, which is linked to W 2of (I), is situated in ortho position of the N carrying the group R 7, when Z 11is -CR 8-, or in para position of the N carrying the group R 7, when Z 11is C, or in ortho position of the N carrying the group R 7, when Z 11is N; and R 0, R 3, R 8, R 11, R 12, R 14, R 17, R 18and R 20are not having peroxide bond, diazo or nitroso group. Independent claims are included for: (1) a method of coloring keratin fibers, particularly human keratin fibers, comprising: either applying (A) to the fiber for a sufficient time to develop the desired coloration, rinsing and optionally shampooing, rinsing again and drying; or storing a composition (A1) comprising (I) in separated form, and composition (B1) comprising one or more oxidizing agent, optionally a composition (C1) in a medium, and then mixing (A1)-(C1) at the time of use before applying the mixture on the keratin fibers, where the composition (A1) or (C1) contains resorcinol coupler and oxidation base; and (2) a device with several-compartment or kit with several compartments, comprising a first compartment containing composition (A1); second compartment containing the composition (B1); and third compartment containing composition (C1). [Image].