Patent ID: 6027538
Filing Date: 2000-02-22
Classification: A61K,A61Q

Abstract:
A composition for dyeing keratinous fiber comprising, in a medium appropriate for dyeing:at least one coupler selected from indazoleamine derivatives of formula (I) and acid addition salts thereof: ##STR9## in which: R.sub.1 denotes a radical selected from C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 hydroxyalkyl, C.sub.1 -C.sub.4 aminoalkyl, mono(C.sub.1 -C.sub.4)alkylamino(C.sub.1 -C.sub.4)alkyl, di(C.sub.1 -C.sub.4)alkylamino(C.sub.1 -C.sub.4)alkyl, (C.sub.1 -C.sub.4)alkoxycarbonyl, (C.sub.1 -C.sub.4)alkoxycarbonyl(C.sub.1 -C.sub.4)alkyl, C.sub.1 -C.sub.4 acyl, (C.sub.1 -C.sub.4)alkoxy(C.sub.1 -C.sub.4)alkyl, cyano(C.sub.1 -C.sub.4)alkyl, allyl and (C.sub.1 -C.sub.4)alkylthiocarbonyl(C.sub.1 -C.sub.4)alkyl radicals and then R.sub.4 forms a double bond with the carbon in the 3 position;R.sub.2 denotes a hydrogen atom or a radical selected from C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 hydroxyalkyl, C.sub.1 -C.sub.4 aminoalkyl, mono(C.sub.1 -C.sub.4)alkylamino(C.sub.1 -C.sub.4)alkyl, di(C.sub.1 -C.sub.4)alkylamino(C.sub.1 -C.sub.4)alkyl, carboxy(C.sub.1 -C.sub.4)alkyl, (C.sub.1 -C.sub.4)alkoxy(C.sub.1 -C.sub.4)alkyl and .omega.-hydroxy(C.sub.1 -C.sub.4)alkoxy(C.sub.1 -C.sub.4)alkyl radicals; andR.sub.3 denotes a hydrogen atom, a bromine, chlorine or fluorine atom, or a radical selected from C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 hydroxyalkyl, C.sub.1 -C.sub.4 aminoalkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkoxy (C.sub.1 -C.sub.4)alkyl, mono(C.sub.1 -C.sub.4)alkylamino(C.sub.1 -C.sub.4)alkyl di(C.sub.1 -C.sub.4)alkylamino(C.sub.1 -C.sub.4)alkyl, C.sub.1 -C.sub.4 perfluoroalkyl, cyano(C.sub.1 -C.sub.4)alkyl and carboxy(C.sub.1 -C.sub.4)alkyl radicals; orR.sub.4 denotes a radical selected from C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 hydroxyalkyl, C.sub.1 -C.sub.4 aminoalkyl, mono(C.sub.1 -C.sub.4)alkylamino(C.sub.1 -C.sub.4)alkyl, di(C.sub.1 -C.sub.4)alkylamino(C.sub.1 -C.sub.4)alkyl, (C.sub.1 -C.sub.4)alkoxycarbonyl, C.sub.1 -C.sub.4 acyl and C.sub.7 -C.sub.9 alkylaryl radicals and an amidino radical (--C(NH.sub.2).dbd.NH) and then R.sub.1 forms a double bond with the carbon adjacent to the nitrogen atom bonded to R.sub.1 ;R.sub.2 denotes a hydrogen atom or a radical selected from C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 hydroxyalkyl, C.sub.1 -C.sub.4 aminoalkyl, mono(C.sub.1 -C.sub.4)alkylamino(C.sub.1 -C.sub.4)alkyl, di(C.sub.1 -C.sub.4)alkylamino(C.sub.1 -C.sub.4)alkyl, carboxy(C.sub.1 -C.sub.4)alkyl, (C.sub.1 -C.sub.4)alkoxy(C.sub.1 -C.sub.4)alkyl and .omega.-hydroxy(C.sub.1 -C.sub.4)alkoxy(C.sub.1 -C.sub.4)alkyl radicals; andR.sub.3 denotes a hydrogen atom, a bromine, chlorine or fluorine atom, or a radical selected from C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 hydroxyalkyl, C.sub.1 -C.sub.4 aminoalkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkoxy (C.sub.1 -C.sub.4)alkyl, mono(C.sub.1 -C.sub.4)alkylamino(C.sub.1 -C.sub.4)alkyl, di(C.sub.1 -C.sub.4)alkylamino(C.sub.1 -C.sub.4)alkyl, C.sub.1 -C.sub.4 perfluoroalkyl, cyano(C.sub.1 -C.sub.4)alkyl and carboxy(C.sub.1 -C.sub.4)alkyl radicals or an amino group;and at least one oxidation base.