DE102005061243A1 - New coupler components - Google Patents

Abstract

The present application relates to agents for coloring keratin fibers, in particular human hair, which contain at least one m-phenylenediamine derivative of the formula (I) in a cosmetically acceptable carrier as a coupler component, DOLLAR F1 where DOLLAR AR¶1¶ stands for a branched or unbranched C. ¶1¶- to C¶6¶-alkyl group, which can optionally carry one or more hydroxyl groups, DOLLAR AR¶2¶, R¶3¶ and R¶4¶ stand independently for a hydrogen atom, a C¶1¶- bis C¶4¶ alkyl group, a C¶1¶ to C¶4¶ monohydroxyalkyl group, a C¶2¶ to C¶4¶ polyhydroxyalkyl group, a C¶1¶ to C¶4¶ alkoxy group, a C¶1¶ to C¶4¶ alkoxy (C¶1¶ to C¶4¶) alkyl group or a halogen atom.

Description

The present invention relates to agents for coloring keratinic fibers, the special m-phenylenediamine derivatives containing an alkoxyphenoxy group, a process for coloring hair with these agents as well as these m-phenylenediamine derivatives even.

For dyeing Keratin fibers, especially human hair, play the so-called An oxidation because of their intense colors and good fastness properties one preferred role. Such colorants contain oxidation dye precursors, so-called development components and coupler components. The developer components form under the Influence of oxidizing agents or of atmospheric oxygen among one another or under coupling with one or more coupler components the actual dyes from.

When Developer components are usually primary aromatic amines with another, in para or ortho position free or substituted hydroxy or amino group, diaminopyridine derivatives, heterocyclic hydrazones, 4-aminopyrazolone derivatives and 2,4,5,6-tetraaminopyrimidine and its derivatives used.

Specific Representatives are, for example, p-phenylenediamine, p-toluenediamine, 2,4,5,6-tetraaminopyrimidine, p-aminophenol, N, N-bis (2-hydroxyethyl) -p-phenylenediamine, 2- (2,5-diaminophenyl) -ethanol, 2- (2,5-diaminophenoxy) ethanol, 1-phenyl-3-carboxamido-4-amino-pyrazolone-5, 4-amino-3-methylphenol, 2-aminomethyl-4-aminophenol, 2-hydroxy-4,5,6-triaminopyrimidine, 2,4-Dihydroxy-5,6-diaminopyrimidine, 2,5,6-triamino-4-hydroxypyrimidine and 1,3-N, N'-bis (2-hydroxyethyl) -N, N'-bis (4-aminophenyl) -diaminopropan-2-ol.

When Coupler components are usually m-phenylenediamine derivatives, Naphthols, resorcinol and resorcinol derivatives, pyrazolones and m-aminophenols used. Particularly suitable coupling agents are 1-naphthol, 1,5-, 2,7- and 1,7-dihydroxynaphthalene, 5-amino-2-methylphenol, m-aminophenol, resorcinol, resorcinol monoethyl ether, m-phenylenediamine, 1-phenyl-3-methyl-pyrazolone-5, 2,4-dichloro-3-aminophenol, 1,3-bis- (2,4-diaminophenoxy) -propane, 2-chlororesorcinol, 4-chlororesorcinol, 2-chloro-6-methyl-3-aminophenol, 2-methylresorcinol, 5-methylresorcinol and 2-methyl-4-chloro-5-aminophenol.

Quality Oxidation dye precursors are primarily intended to meet the following requirements fulfill: You need to in the oxidative coupling the desired color shades in sufficient intensity and train authenticity. You need to Furthermore, a good Aufziehvermögen to possess the fiber, in particular in human hair no noticeable differences between strained and fresh allowed to exist after hair regrowth (Leveling). They should be consistent be against light, heat, sweat, Friction and the influence of chemical reducing agents, e.g. Perm liquids. After all should they - if as hair dye coming to the application - the Do not stain the scalp too much, and above all, they should be toxicological and dermatological Regard safe. Furthermore, the achieved coloring by bleaching Can be easily removed from the hair, if they are not the individual wishes corresponds to the individual person and should be reversed.

Alone with a developer component or a special coupler / developer combination As a rule, it does not succeed, a naturally acting on the hair To get color nuance. In practice, therefore, are usually Combinations of different developer and / or coupler components used. It therefore exists constantly Need for new, improved dye components that are also available in are toxicologically and dermatologically unproblematic.

task Therefore, it was the object of the present invention to provide novel coupler components to develop those who put the oxidation dye precursors Requirements, in particular with regard to the toxicological and dermatological properties, fulfill and colorations in a wide color spectrum with good fastness properties.

Surprisingly has now been found that special m-phenylenediamine derivatives, the carrying an alkoxyphenoxy group attached to coupler components Requirements to a high degree suffice. The coupler components according to the invention enable, in particular with the developer components p-phenylenediamine, p-toluenediamine, 2- (β-hydroxyethyl) -p-phenylenediamine and N, N-bis (β-hydroxyethyl) -p-phenylenediamine intense colors in the blue area.

wobei
R₁, steht für eine verzweigte oder unverzweigte C₁- bis C₆-Alkylgruppe, die gegebenenfalls einen oder mehrere Hydroxygruppen tragen kann,
R₂, R₃ und R₄ stehen unabhängig voneinander für ein Wasserstoffatom, eine C₁- bis C₄-Alkylgruppe, eine C₁- bis C₄-Monohydroxyalkylgruppe, eine C₂- bis C₄-Polyhydroxyalkylgruppe, eine C₁- bis C₄-Alkoxygruppe, eine C₁- bis C₄-Alkoxy-(C₁- bis C₄)-alkylgruppe oder ein Halogenatom.A first subject of the present invention are therefore agents for coloring keratinic fibers, in particular human hair, containing in a cosmetically acceptable carrier as coupler component at least one m-phenylenediamine derivative of the formula (I)

in which
R ₁ , is a branched or unbranched C ₁ - to C ₆ -alkyl group which may optionally carry one or more hydroxyl groups,
R ₂ , R ₃ and R ₄ are each independently a hydrogen atom, a C ₁ to C ₄ alkyl group, a C ₁ to C ₄ monohydroxyalkyl group, a C ₂ to C ₄ polyhydroxyalkyl group, a C ₁ to C ₄ alkoxy group, a C ₁ - to C ₄ alkoxy (C ₁ - to C ₄ ) alkyl group or a halogen atom.

Under Keratinic fibers are according to the invention furs, wool, feathers and especially to understand human hair. Although the oxidation colorants of the invention primarily for dyeing are suitable for keratin fibers, is in principle a use also in other fields, especially in color photography, nothing contrary.

There it is the m-phenylenediamine derivatives according to the invention to amino compounds is, can be from these in the usual way, the known acid addition salts produce. All statements of this document and accordingly the claimed The scope of protection therefore refers to both the free form Compounds as well as their water-soluble, physiologically acceptable Salts. Examples of such Salts are the hydrochlorides, the hydrobromides, the sulfates, the Phosphates, the acetates, the propionates, the citrates and the lactates. The hydrochlorides and the sulfates are particularly preferred.

Examples of the C ₁ -C ₆ -alkyl groups mentioned as substituents in the compounds according to the invention are the groups methyl, ethyl, propyl, isopropyl, n-butyl, 2-methylpropyl, n-pentyl, 2-methylbutyl, 2,2-dimethylpropyl , n-hexyl, 2-methylpentyl, 3-methylpentyl, 2,3-dimethylbutyl and 2,2-dimethylbutyl. Ethyl and methyl are preferred alkyl groups. Preferred C ₁ to C ₄ alkoxy groups are the methoxy and ethoxy groups. Furthermore, as preferred examples of a C ₁ to C ₄ monohydroxyalkyl group, a hydroxymethyl, a 2-hydroxyethyl, a 3-hydroxypropyl or a 4-hydroxybutyl group may be mentioned. A 2-hydroxyethyl group is particularly preferred. A particularly preferred C ₂ to C ₄ polyhydroxyalkyl group is the 1,2-dihydroxyethyl group. Examples of halogen atoms are according to the invention F, Cl or Br atoms, Cl atoms are very particularly preferred. The other terms used are derived from the definitions given here.

The m-phenylenediamine derivatives of the formula (I) can be prepared by conventional produce organic methods. Exemplary is at this point on the experimental procedures in the context of the embodiments directed.

The now claimed m-phenylenediamine derivatives of the formula (I) not previously described in the literature. In the literature are but some structurally related compounds are described. So be For example, in EP-A1-1 149 575 compounds are mentioned, the in comparison to the now claimed coupler components a have another aromatic ring. However, these connections can in terms of absorbability and the Egalisierungsverhaltens not completely convincing.

According to the invention, m-phenylenediamine derivatives of the formula (I) may be preferred in which the substituent R _{1 is} a branched or unbranched C ₁ - to C ₄ -alkyl group or a branched or unbranched C ₁ - to C ₄ -monohydroxyalkyl group.

According to the invention, m-phenylenediamine derivatives of the formula (I) have proved to be particularly preferred in which the substituent R _{1 is} a methyl group or a hydroxyethyl group.

It may be preferred according to the invention if the radical -OR _{1 is} in the 2'-position; likewise preferred may be m-phenylenediamine derivatives in which the radical -OR _{1 is} in the 3'-position; furthermore, m-phenylenediamine derivatives can be in which the radical OR _{1 is} in the 4'-position. Furthermore, the compounds have proved to be preferred in which the radical R _{2 is} in the 2'-position.

Furthermore, such m-phenylenediamine derivatives of the formula (I) have proved to be preferred in which the substituent R _{2 is} hydrogen.

Likewise preferred for the purposes of the present invention are m-phenylenediamine derivatives of the formula (I) in which the substituent R _{3 is} hydrogen.

Further preferred for the purposes of the present invention are m-phenylenediamine derivatives of the formula (I) in which the substituent R _{4 is} hydrogen.

Very particular according to the invention preferred m-phenylenediamine derivatives of the formula (I) are 3-amino-4- (4-methoxyphenoxy) -phenylamine, 3-amino-4- (3-methoxyphenoxy) phenylamine, 3-amino-4- (2-methoxyphenoxy) phenylamine, 3-amino-4- (4- (2-hydroxyethoxy) phenoxy) phenylamine, 3-Amino-4- (3- (2-hydroxyethoxy) phenoxy) -phenylamine and 3-amino-4- (2- (2-hydroxyethoxy) phenoxy) -phenylamine. The compounds 3-amino-4- (4-methoxyphenoxy) phenylamine, 3-amino-4- (3-methoxyphenoxy) phenylamine and 3-amino-4- (2-methoxyphenoxy) phenylamine are very particular in the invention prefers.

Next The m-phenylenediamine derivatives of the formula (I) may contain the colorants of the invention further contain at least one developer component.

wobei

• – G¹ steht für ein Wasserstoffatom, einen C₁- bis C₄-Alkylrest, einen C₁- bis C₄-Monohydroxyalkylrest, einen C₂- bis C₄-Polyhydroxyalkylrest, einen (C₁- bis C₄)-Alkoxy-(C₁- bis C₄)-alkylrest, einen 4'-Aminophenylrest oder einen C₁- bis C₄-Alkylrest, der mit einer stickstoffhaltigen Gruppe, einem Phenyl- oder einem 4'-Aminophenylrest substituiert ist;
• – G² steht für ein Wasserstoffatom, einen C₁- bis C₄-Alkylrest, einen C₁- bis C₄-Monohydroxyalkylrest, einen C₂- bis C₄-Polyhydroxyalkylrest, einen (C₁- bis C₄)-Alkoxy-(C₁- bis C₄)-alkylrest oder einen C₁- bis C₄-Alkylrest, der mit einer stickstoffhaltigen Gruppe substituiert ist;
• – G³ steht für ein Wasserstoffatom, ein Halogenatom, wie ein Chlor-, Brom-, Iod- oder Fluoratom, einen C₁- bis C₄-Alkylrest, einen C₁- bis C₄-Monohydroxyalkylrest, einen C₂- bis C₄-Polyhydroxyalkylrest, einen C₁- bis C₄-Hydroxyalkoxyrest, einen C₁- bis C₄-Acetylaminoalkoxyrest, einen C₁- bis C₄-Mesylaminoalkoxyrest oder einen C₁- bis C₄-Carbamoylaminoalkoxyrest;
• – G⁴ steht für ein Wasserstoffatom, ein Halogenatom oder einen C₁- bis C₄-Alkylrest oder
• – wenn G³ und G⁴ in ortho-Stellung zueinander stehen, können sie gemeinsam eine verbrückende α, ω-Alkylendioxogruppe, wie beispielsweise eine Ethylendioxygruppe bilden.

It may be preferred according to the invention to use as the developer component a p-phenylenediamine derivative or one of its physiologically acceptable salts. Particular preference is given to p-phenylenediamine derivatives of the formula (E1)

in which

• G ¹ represents a hydrogen atom, a C ₁ to C ₄ alkyl radical, a C ₁ to C ₄ monohydroxyalkyl radical, a C ₂ to C ₄ polyhydroxyalkyl radical, a C ₁ to C ₄ alkoxy radical (C ₁ - to C ₄ ) -alkyl radical, a 4'-aminophenyl radical or a C ₁ - to C ₄ -alkyl radical which is substituted by a nitrogen-containing group, a phenyl or a 4'-aminophenyl radical;
• G ² represents a hydrogen atom, a C ₁ -C ₄ -alkyl radical, a C ₁ -C ₄ -monohydroxyalkyl radical, a C ₂ -C ₄ -polyhydroxyalkyl radical, a C ₁ -C ₄ -alkoxy radical (C ₁ - to C ₄ ) -alkyl radical or a C ₁ - to C ₄ -alkyl radical which is substituted by a nitrogen-containing group;
• G ³ represents a hydrogen atom, a halogen atom, such as a chlorine, bromine, iodine or fluorine atom, a C ₁ - to C ₄ -alkyl radical, a C ₁ - to C ₄ -monohydroxyalkyl radical, a C ₂ - to C ₄ -polyhydroxyalkyl, C ₁ - to C ₄ -hydroxyalkoxy, C ₁ - to C ₄ -acetylaminoalkoxy, C ₁ - to C ₄ -mesylaminoalkoxy or C ₁ - to C ₄ -carbamoylaminoalkoxy;
• - G ⁴ represents a hydrogen atom, a halogen atom or a C ₁ - to C ₄ -alkyl radical or
• When G ³ and G ⁴ are ortho to each other, they may together form a bridging α, ω-alkylenedioxy group, such as, for example, an ethylenedioxy group.

Examples of the C ₁ - to C ₄ -alkyl radicals mentioned as substituents in the compounds according to the invention are the groups methyl, ethyl, propyl, isopropyl and butyl. Ethyl and methyl are preferred alkyl radicals. C ₁ -C ₄ -alkoxy radicals preferred according to the invention are, for example, a methoxy or an ethoxy group. Furthermore, as preferred examples of a C ₁ - to C ₄ -hydroxyalkyl group, a hydroxymethyl, a 2-hydroxyethyl, a 3-hydroxypropyl or a 4-hydroxybutyl group may be mentioned. A 2-hydroxyethyl group is particularly preferred. A particularly preferred C ₂ to C ₄ polyhydroxyalkyl group is the 1,2-dihydroxyethyl group. Examples of halogen atoms are according to the invention F, Cl or Br atoms, Cl atoms are very particularly preferred. The other terms used are derived from the invention of the definitions given here. Examples of nitrogen-containing groups of the formula (E1) are, in particular, the amino groups, C ₁ - to C ₄ -monoalkylamino groups, C ₁ - to C ₄ -dialkylamino groups, C ₁ - to C ₄ -trialkylammonium groups, C ₁ - to C ₄ -monohydroxyalkylamino groups, Imidazolinium and ammonium.

Especially preferred p-phenylenediamines of the formula (E1) are selected from p-phenylenediamine, p-toluenediamine, 2-chloro-p-phenylenediamine, 2,3-dimethyl-p-phenylenediamine, 2,6-dimethyl-p-phenylenediamine, 2,6-diethyl-p-phenylenediamine, 2,5-dimethyl-p-phenylenediamine, N, N-dimethyl-p-phenylenediamine, N, N-diethyl-p-phenylenediamine, N, N-dipropyl-p-phenylenediamine, 4-amino-3-methyl- (N, N-diethyl) -aniline, N, N-bis (β-hydroxyethyl) -p-phenylenediamine, 4-N, N-bis (β-hydroxyethyl) amino-2-methylaniline, 4-N, N-bis (β-hydroxyethyl) amino-2-chloroaniline, 2- (β-hydroxyethyl) -p-phenylenediamine, 2- (α, β-dihydroxyethyl) -p-phenylenediamine, 2-fluoro-p-phenylenediamine, 2-isopropyl-p-phenylenediamine, N- (β-hydroxypropyl) -p-phenylenediamine, 2-hydroxymethyl-p-phenylenediamine, N, N-dimethyl-3-methyl-p-phenylenediamine, N, N- (ethyl, β-hydroxyethyl) -p-phenylenediamine, N- (β, γ-dihydroxypropyl) -p-phenylenediamine, N- (4'-aminophenyl) -p-phenylenediamine, N-phenyl-p-phenylenediamine, 2- (β-hydroxyethyloxy) -p-phenylenediamine, 2- (β-Acetylaminoethyloxy) -p-phenylenediamine, N- (β-methoxyethyl) -p-phenylenediamine, N- (4-amino-3-methylphenyl) -N- [3- (1N-imidazol-1-yl) propyl] amine and 5,8-diaminobenzo-1,4-dioxane and their physiologically acceptable Salt.

Very particular according to the invention preferred p-phenylenediamine derivatives of the formula (E1) are p-phenylenediamine, p-toluenediamine, 2- (β-hydroxyethyl) -p-phenylenediamine, 2- (α, β-dihydroxyethyl) -p-phenylenediamine and N, N-bis (β-hydroxyethyl) -p-phenylenediamine.

It can continue according to the invention be preferred to use as a developer component compounds, which contain at least two aromatic nuclei which are reactive with amino and / or hydroxyl groups are substituted.

wobei:

• – Z¹ und Z² stehen unabhängig voneinander für einen Hydroxyl- oder NH₂-Rest, der gegebenenfalls durch einen C₁- bis C₄-Alkylrest, durch einen C₁- bis C₄-Hydroxyalkylrest und/oder durch eine Verbrückung Y substituiert ist oder der gegebenenfalls Teil eines verbrückenden Ringsystems ist,
• – die Verbrückung Y steht für eine Alkylengruppe mit 1 bis 14 Kohlenstoffatomen, wie beispielsweise eine lineare oder verzweigte Alkylenkette oder einen Alkylenring, die von einer oder mehreren stickstoffhaltigen Gruppen und/oder einem oder mehreren Heteroatomen wie Sauerstoff-, Schwefel- oder Stickstoffatomen unterbrochen oder beendet sein kann und eventuell durch einen oder mehrere Hydroxyl- oder C₁- bis C₈-Alkoxyreste substituiert sein kann, oder eine direkte Bindung,
• – G⁵ und G⁶ stehen unabhängig voneinander für ein Wasserstoff- oder Halogenatom, einen C₁- bis C₄-Alkylrest, einen C₁- bis C₄-Monohydroxyalkylrest, einen C₂- bis C₄-Polyhydroxyalkylrest, einen C₁- bis C₄-Aminoalkylrest oder eine direkte Verbindung zur Verbrückung Y,
• – G⁷, G⁸, G⁹, G¹⁰, G¹¹ und G¹² stehen unabhängig voneinander für ein Wasserstoffatom, eine direkte Bindung zur Verbrückung Y oder einen C₁- bis C₄-Alkylrest, mit der Maßgabe, dass die Verbindungen der Formel (E2) nur eine Verbrückung Y pro Molekül enthalten.

Among the binuclear developer components which can be used in the dyeing compositions according to the invention, mention may be made in particular of the compounds corresponding to the following formula (E2) and their physiologically tolerated salts:

in which:

• - Z ¹ and Z ² independently of one another are a hydroxyl or NH ₂ radical which is optionally substituted by a C ₁ - to C ₄ -alkyl radical, by a C ₁ - to C ₄ -hydroxyalkyl radical and / or by a bridge Y. or is optionally part of a bridging ring system,
• - The bridge Y is an alkylene group having 1 to 14 carbon atoms, such as a linear or branched alkylene chain or an alkylene ring interrupted or terminated by one or more nitrogen-containing groups and / or one or more heteroatoms such as oxygen, sulfur or nitrogen atoms may be and may be substituted by one or more hydroxyl or C ₁ - to C ₈ alkoxy, or a direct bond,
• G ⁵ and G ⁶ independently of one another are a hydrogen or halogen atom, a C ₁ - to C ₄ -alkyl radical, a C ₁ - to C ₄ -monohydroxyalkyl radical, a C ₂ - to C ₄ -polyhydroxyalkyl radical, a C ₁ - to C ₄ -aminoalkyl radical or a direct compound for bridging Y,
• - G ⁷ , G ⁸ , G ⁹ , G ¹⁰ , G ¹¹ and G ¹² are each independently a hydrogen atom, a direct bond to the bridge Y or a C ₁ - to C ₄ alkyl radical, with the proviso that the compounds of the Formula (E2) contain only one bridge Y per molecule.

The used in formula (E2) substituents are analogous to the invention to the above statements Are defined.

Preferred binuclear developer components of the formula (E2) are in particular:
N, N'-bis (β-hydroxyethyl) -N, N'-bis (4'-aminophenyl) -1,3-diamino-propan-2-ol, N, N'-bis (β-hydroxyethyl ) -N, N'-bis (4'-aminophenyl) ethylenediamine, N, N'-bis (4-aminophenyl) tetramethylenediamine, N, N'-bis (β-hydroxyethyl) -N, N ' bis (4-aminophenyl) tetramethylenediamine, N, N'-bis (4-methylaminophenyl) tetramethylenediamine, N, N'-diethyl-N, N'-bis (4'-amino-3 ' methylphenyl) ethylenediamine, bis (2-hydroxy-5-aminophenyl) methane, N, N'-bis (4'-aminophenyl) -1,4-diazacycloheptane, N, N'-bis (2-hydroxy-5-aminophenyl) -methane hydroxy-5-aminobenzyl) piperazine, N- (4'-aminophenyl) -p-phenylenediamine and 1,10-bis (2 ', 5'-diaminophenyl) -1,4,7,10-tetraoxadecane and their physiological compatible salts.

All particularly preferred binuclear developer components of the formula (E2) are N, N'-bis (β-hydroxyethyl) -N, N'-bis (4-aminophenyl) -1,3-diamino-propan-2-ol, Bis- (2-hydroxy-5-aminophenyl) methane, 1,3-bis- (2,5-diaminophenoxy) -propan-2-ol, N, N'-bis (4-aminophenyl) -1,4-diazacycloheptane and 1,10-bis (2,5- diaminophenyl) -1,4,7,10-tetraoxadecane or one of its physiologically compatible Salts.

wobei:

• – G¹³ steht für ein Wasserstoffatom, ein Halogenatom, einen C₁- bis C₄-Alkylrest, einen C₁- bis C₄-Monohydroxyalkylrest, einen C₂- bis C₄-Polyhydroxyalkylrest, einen (C₁-bis C₁)-Alkoxy-(C₁- bis C₄)-alkylrest, einen C₁- bis C₄-Aminoalkylrest, einen Hydroxy-(C₁-bis C₄)-alkylaminorest, einen C₁- bis C₄-Hydroxyalkoxyrest, einen C₁- bis C₄-Hydroxyalkyl-(C₁-bis C₄)-aminoalkylrest oder einen (Di-C₁- bis C₄-Alkylamino)-(C₁- bis C₄)-alkylrest, und
• – G¹⁴ steht für ein Wasserstoff- oder Halogenatom, einen C₁- bis C₄-Alkylrest, einen C₁- bis C₄-Monohydroxyalkylrest, einen C₂- bis C₄-Polyhydroxyalkylrest, einen (C₁- bis C₄)-Alkoxy-(C₁- bis C₄)-alkylrest, einen C₁- bis C₄-Aminoalkylrest oder einen C₁- bis C₄-Cyanoalkylrest,
• – G¹⁵ steht für Wasserstoff, einen C₁- bis C₄-Alkylrest, einen C₁- bis C₄-Monohydroxyalkylrest, einen C₂- bis C₄-Polyhydroxyalkylrest, einen Phenylrest oder einen Benzylrest, und
• – G¹⁶ steht für Wasserstoff oder ein Halogenatom.

Furthermore, it may be preferred according to the invention to use as the developer component a p-aminophenol derivative or one of its physiologically tolerable salts. Particular preference is given to p-aminophenol derivatives of the formula (E3)

in which:

• G ¹³ represents a hydrogen atom, a halogen atom, a C ₁ to C ₄ alkyl radical, a C ₁ to C ₄ monohydroxyalkyl radical, a C ₂ to C ₄ polyhydroxyalkyl radical, a C _{1 to} C ₁ radical Alkoxy (C ₁ to C ₄ ) alkyl, C ₁ to C ₄ aminoalkyl, hydroxy (C _{1 to} C ₄ ) alkylamino, C ₁ to C ₄ hydroxyalkoxy, C ₁ - to C ₄ -hydroxyalkyl- (C ₁ -C ₄ ) -aminoalkyl or a (di-C ₁ - to C ₄ -alkylamino) - (C ₁ - to C ₄ ) -alkyl, and
• - G ¹⁴ represents a hydrogen or halogen atom, a C ₁ - to C ₄ alkyl, C ₁ - to C ₄ monohydroxyalkyl radical, a C ₂ - to C ₄ polyhydroxyalkyl radical, a (C ₁ - to C ₄₎ Alkoxy (C ₁ to C ₄ ) alkyl, C ₁ to C ₄ aminoalkyl or C ₁ to C ₄ cyanoalkyl,
• G ¹⁵ is hydrogen, a C ₁ - to C ₄ -alkyl radical, a C ₁ - to C ₄ -monohydroxyalkyl radical, a C ₂ - to C ₄ -polyhydroxyalkyl radical, a phenyl radical or a benzyl radical, and
• - G ¹⁶ is hydrogen or a halogen atom.

The used in formula (E3) substituents are analogous to the invention to the above statements Are defined.

preferred p-aminophenols of the formula (E3) are in particular p-aminophenol, N-methyl-p-aminophenol, 4-amino-3-methylphenol, 4-amino-3-fluorophenol, 2-hydroxymethylamino-4-aminophenol, 4-amino-3-hydroxymethylphenol, 4-amino-2- (β-hydroxyethoxy) -phenol, 4-amino-2-methylphenol, 4-amino-2-hydroxymethylphenol, 4-amino-2-methoxymethyl-phenol, 4-amino-2-aminomethylphenol, 4-amino-2- (β-hydroxyethyl-aminomethyl) -phenol, 4-amino-2- (α, β-dihydroxyethyl) -phenol, 4-amino-2-fluorophenol, 4-amino-2-chlorophenol, 4-amino-2,6-dichlorophenol, 4-amino-2- (diethylaminomethyl) -phenol as well as their physiologically tolerable Salts.

All particularly preferred compounds of the formula (E3) are p-aminophenol, 4-amino-3-methylphenol, 4-amino-2-aminomethylphenol, 4-amino-2- (α, β-dihydroxyethyl) -phenol and 4-amino-2- (diethyl-aminomethyl) -phenol.

Further For example, the developer component can be selected from o-aminophenol and its derivatives, such as 2-amino-4-methylphenol, 2-amino-5-methylphenol or 2-amino-4-chlorophenol.

Farther For example, the developer component may be selected from heterocyclic Developer components, such as the pyridine, pyrimidine, Pyrazole, pyrazole pyrimidine derivatives and their physiologically tolerable Salt.

Preferred pyridine derivatives are in particular the compounds described in the patents GB 1 026 978 and GB 1 153 196 such as 2,5-diamino-pyridine, 2- (4-methoxyphenyl) amino-3-amino-pyridine, 2,3-diamino-6-methoxy-pyridine, 2- (β-methoxyethyl) -amino 3-amino-6-methoxy-pyridine and 3,4-diamino-pyridine.

Preferred pyrimidine derivatives are in particular the compounds described in the German patent DE 2 359 399 , the Japanese Patent Application JP 02019576 A2 or in the laid-open specification WO 96/15765, such as 2,4,5,6-tetraaminopyrimidine, 4-hydroxy-2,5,6-triaminopyrimidine, 2-hydroxy-4,5,6-triaminopyrimidine, 2-dimethylamino 4,5,6-triaminopyrimidine, 2,4-dihydroxy-5,6-diaminopyrimidine and 2,5,6-triaminopyrimidine.

Preferred pyrazole derivatives are in particular the compounds described in the patents DE 3 843 892 . DE 4 133 957 and patent applications WO 94/08969, WO 94/08970, EP-740 931 and DE 195 43 988 such as 4,5-diamino-1-methylpyrazole, 4,5-diamino-1- (β-hydroxyethyl) pyrazole, 3,4-diaminopyrazole, 4,5-diamino-1- (4'-chlorobenzyl) pyrazole, 4,5-diamino-1,3-dimethylpyrazole, 4,5-diamino-3-methyl-1-phenylpyrazole, 4,5-diamino-1-methyl-3-phenylpyrazole, 4-amino-1,3 dimethyl-5-hydrazinopyrazole, 1-benzyl-4,5-diamino-3-methylpyrazole, 4,5-diamino-3-tert-butyl-1-methylpyrazole, 4,5-diamino-1-tert-butyl 3-methylpyrazole, 4,5-diamino-1- (β-hydroxyethyl) -3-methylpyrazole, 4,5-diamino-1-ethyl-3-methylpyrazole, 4,5-diamino-1-ethyl-3-one 4'-methoxyphenyl) pyrazole, 4,5-diamino-1-ethyl-3-hydroxymethylpyrazole, 4,5-diamino-3-hydroxymethyl-1-methylpyrazole, 4,5-diamino-3-hydroxymethyl-1-isopropylpyrazole, 4,5-diamino-3-methyl-1-isopropylpyrazole, 4-amino-5- (β-aminoethyl) amino-1,3-dimethylpyrazole, 3,4,5-triaminopyrazole, 1-methyl-3,4, 5-triaminopyrazole, 3,5-diamino-1-methyl-4-methylaminopyrazole and 3,5-diamino-4- (β-hydroxyethyl) amino-1-methylpyrazole.

wobei:

• – G¹⁷, G¹⁸, G¹⁹ und G²⁰ unabhängig voneinander stehen für ein Wasserstoffatom, einen C₁- bis C₄-Alkylrest, einen Aryl-Rest, einen C₁- bis C₄-Hydroxyalkylrest, einen C₂-bis C₄-Polyhydroxyalkylrest einen (C₁- bis C₄)-Alkoxy-(C₁- bis C₄)-alkylrest, einen C₁- bis C₄-Aminoalkylrest, der gegebenenfalls durch ein Acetyl-Ureid- oder einen Sulfonyl-Rest geschützt sein kann, einen (C₁- bis C₄)-Alkylamino-(C₁- bis C₄)-alkylrest, einen Di-[(C₁- bis C₄)-alkyl]-(C₁- bis C₄)-aminoalkylrest, wobei die Dialkyl-Reste gegebenenfalls einen Kohlenstoffzyklus oder einen Heterozyklus mit 5 oder 6 Kettengliedern bilden, einen C₁-bis C₄-Hydroxyalkyl- oder einen Di-(C₁- bis C₄)-[Hydroxyalkyl]-(C₁- bis C₄)-aminoalkylrest,
• – die X-Reste stehen unabhängig voneinander für ein Wasserstoffatom, einen C₁-bis C₄-Alkylrest, einen Aryl-Rest, einen C₁- bis C₄-Hydroxyalkylrest, einen C₂- bis C₄-Polyhydroxyalkylrest, einen C₁- bis C₄-Aminoalkylrest, einen (C₁- bis C₄)-Alkylamino-(C₁-bis C₄)-alkylrest, einen Di-[(C₁- bis C₄)alkyl]- (C₁- bis C₄)-aminoalkylrest, wobei die Dialkyl- Reste gegebenenfalls einen Kohlenstoffzyklus oder einen Heterozyklus mit 5 oder 6 Kettengliedern bilden, einen C₁- bis C₄-Hydroxyalkyl- oder einen Di-(C₁- bis C₄-hydroxyalkyl)-aminoalkylrest, einen Aminorest, einen C₁- bis C₄-Alkyl- oder Di-(C₁- bis C₄-hydroxyalkyl)-aminorest, ein Halogenatom, eine Carboxylsäuregruppe oder eine Sulfonsäuregruppe,
• – i hat den Wert 0, 1, 2 oder 3,
• – p hat den Wert 0 oder 1,
• – q hat den Wert 0 oder 1 und
• – n hat den Wert 0 oder 1, mit der Maßgabe, dass
• – die Summe aus p + q ungleich 0 ist,
• – wenn p + q gleich 2 ist, n den Wert 0 hat, und die Gruppen NG¹⁷G¹⁸ und NG¹⁹G²⁰ belegen die Positionen (2,3); (5,6); (6,7); (3,5) oder (3,7);
• – wenn p + q gleich 1 ist, n den Wert 1 hat, und die Gruppen NG¹⁷G¹⁸ (oder NG¹⁹G²⁰) und die Gruppe OH belegen die Positionen (2,3); (5,6); (6,7); (3,5) oder (3,7);

Preferred pyrazolopyrimidine derivatives are, in particular, the derivatives of the pyrazolo [1,5-a] pyrimidine of the following formula (E4) and their tautomeric forms, if a tautomeric equilibrium exists:

in which:

• - G ^17, G ^18, G ¹⁹ and G ²⁰ are independently a hydrogen atom, a C ₁ - to C ₄ -alkyl radical, an aryl radical, a C ₁ - to C ₄ -hydroxyalkyl group, a C ₂ to C ₄ -Polyhydroxyalkylrest a (C ₁ - to C ₄ ) alkoxy- (C ₁ - to C ₄ ) -alkyl radical, a C ₁ - to C ₄ -Aminoalkylrest, optionally protected by an acetyl-ureide or a sulfonyl radical may be a (C ₁ to C ₄ ) alkylamino (C ₁ to C ₄ ) alkyl radical, a di - [(C ₁ to C ₄ ) alkyl] - (C ₁ to C ₄ ) aminoalkyl radical wherein the dialkyl radicals optionally form a carbon cycle or a heterocycle having 5 or 6 chain members, a C _{1 to} C ₄ hydroxyalkyl or a di (C ₁ to C ₄ ) [hydroxyalkyl] (C ₁ - to C ₄ ) aminoalkyl radical,
• - The X radicals independently of one another represent a hydrogen atom, a C ₁ -C ₄ -alkyl radical, an aryl radical, a C ₁ - to C ₄ -hydroxyalkyl radical, a C ₂ - to C ₄ -polyhydroxyalkyl radical, a C ₁ - to C ₄ -aminoalkyl, a (C ₁ - to C ₄ ) -alkylamino- (C _{1 to} C ₄ ) -alkyl, a di - [(C ₁ - to C ₄ ) alkyl] - (C ₁ - bis C ₄ ) aminoalkyl radical, wherein the dialkyl radicals optionally form a carbon cycle or a heterocycle having 5 or 6 chain members, a C ₁ - to C ₄ -hydroxyalkyl or a di- (C ₁ - to C ₄ -hydroxyalkyl) aminoalkyl radical , an amino radical, a C ₁ - to C ₄ -alkyl or di- (C ₁ - to C ₄ -hydroxyalkyl) -amino radical, a halogen atom, a carboxylic acid group or a sulfonic acid group,
• - i has the value 0, 1, 2 or 3,
• - p has the value 0 or 1,
• - q has the value 0 or 1 and
• - n has the value 0 or 1, with the proviso that
• The sum of p + q is not equal to 0,
• If p + q equals 2, n has the value 0, and the groups NG ¹⁷ G ¹⁸ and NG ¹⁹ G ²⁰ occupy the positions (2, 3); (5,6); (6,7); (3,5) or (3,7);
• When p + q is 1, n is 1, and the groups NG ¹⁷ G ¹⁸ (or NG ¹⁹ G ²⁰ ) and the group OH occupy the positions (2, 3); (5,6); (6,7); (3,5) or (3,7);

The substituents used in formula (E4) are analogous to the above Ausfüh invention defined.

When the pyrazolo [1,5-a] pyrimidine of the above formula (E4) contains a hydroxy group at one of the 2, 5 or 7 positions of the ring system, there is a tautomeric equilibrium shown, for example, in the following scheme:

• – Pyrazolo[1,5-a]pyrimidin-3,7-diamin;
• – 2,5-Dimethyl-pyrazolo[1,5-a]pyrimidin-3,7-diamin;
• – Pyrazolo[1,5-a]pyrimidin-3,5-diamin;
• – 2,7-Dimethyl-pyrazolo[1,5-a]pyrimidin-3,5-diamin;
• – 3-Aminopyrazolo[1,5-a]pyrimidin-7-ol;
• – 3-Aminopyrazolo[1,5-a]pyrimidin-5-ol;
• – 2-(3-Aminopyrazolo(1,5-a]pyrimidin-7-ylamino)-ethanol;
• – 2-(7-Aminopyrazolo[1,5-ajpyrimidin-3-ylamino)-ethanol;
• – 2-[(3-Aminopyrazolo[1,5-a]pyrimidin-7-yl)-(2-hydroxy-ethyl)-amino]-ethanol;
• – 2-[(7-Aminopyrazolo[1,5-a]pyrimidin-3-yl)-(2-hydroxy-ethyl)-amino]-ethanol;
• – 5,6-Dimethylpyrazolo[1,5-a]pyrimidin-3,7-diamin;
• – 2,6-Dimethylpyrazolo[1,5-a)pyrimidin-3,7-diamin;
• – 3-Amino-7-dimethylamino-2,5-dimethylpyrazolo[1,5-a]pyrimidin;

sowie ihre physiologisch verträglichen Salze und ihre tautomeren Formen, wenn ein tautomers Gleichgewicht vorhanden ist.In particular, among the pyrazolo [1,5-a] -pyrimidines of the above formula (E4):

• - pyrazolo [1,5-a] pyrimidine-3,7-diamine;
• 2,5-dimethylpyrazolo [1,5-a] pyrimidine-3,7-diamine;
• - pyrazolo [1,5-a] pyrimidine-3,5-diamine;
• 2,7-dimethylpyrazolo [1,5-a] pyrimidine-3,5-diamine;
• 3-aminopyrazolo [1,5-a] pyrimidin-7-ol;
• 3-aminopyrazolo [1,5-a] pyrimidin-5-ol;
• - 2- (3-aminopyrazolo (1,5-a] pyrimidin-7-ylamino) ethanol;
• 2- (7-aminopyrazolo [1,5-ajpyrimidin-3-ylamino) ethanol;
• - 2 - [(3-aminopyrazolo [1,5-a] pyrimidin-7-yl) - (2-hydroxy-ethyl) -amino] -ethanol;
• - 2 - [(7-aminopyrazolo [1,5-a] pyrimidin-3-yl) - (2-hydroxy-ethyl) -amino] -ethanol;
• 5,6-dimethylpyrazolo [1,5-a] pyrimidine-3,7-diamine;
• - 2,6-dimethylpyrazolo [1,5-a] pyrimidine-3,7-diamine;
• 3-amino-7-dimethylamino-2,5-dimethylpyrazolo [1,5-a] pyrimidine;

and their physiologically acceptable salts and their tautomeric forms when a tautomeric equilibrium is present.

The Pyrazolo (1,5-a) pyrimidines of the above formula (E4) may be as described in the literature by cyclization starting from a Aminopyrazole or produced from hydrazine.

In a further preferred embodiment contain the colorants of the invention at least one coupler component.

When Coupler components are usually m-phenylenediamine derivatives, Naphthols, resorcinol and resorcinol derivatives, pyrazolones and m-aminophenol derivatives used. Particularly suitable coupling agents are 1-naphthol, 1,5-, 2,7- and 1,7-dihydroxynaphthalene, 5-amino-2-methylphenol, m-aminophenol, resorcinol, resorcinol monomethyl ether, m-phenylenediamine, 1-phenyl-3-methyl-pyrazolone-5, 2,4-dichloro-3-aminophenol, 1,3-bis (2 ', 4'-diaminophenoxy) -propane, 2-chloro-resorcinol, 4-chloro-resorcinol, 2-chloro-6-methyl-3-aminophenol, 2-amino-3-hydroxypyridine, 2-methylresorcinol, 5-methylresorcinol and 2-methyl-4-chloro-5-aminophenol.

• – m-Aminophenol und dessen Derivate wie beispielsweise 5-Amino-2-methylphenol, N-Cyclopentyl-3-aminophenol, 3-Amino-2-chlor-6-methylphenol, 2-Hydroxy-4-aminophenoxyethanol, 2,6-Dimethyl-3-aminophenol, 3-Trifluoroacetylamino-2-chlor-6-methylphenol, 5-Amino-4-chlor-2-methylphenol, 5-Amino-4-methoxy-2-methylphenol, 5-(2'-Hydroxyethyl)-amino-2-methylphenol, 3-(Diethylamino)-phenol, N-Cyclopentyl-3-aminophenol, 1,3-Dihydroxy-5-(methylamino)-benzol, 3-Ethylamino-4-methylphenol und 2,4-Dichlor-3-aminophenol,
• – o-Aminophenol und dessen Derivate,
• – m-Diaminobenzol und dessen Derivate wie beispielsweise 2,4-Diaminophenoxy-ethanol, 1,3-Bis-(2',4'-diaminophenoxy)-propan, 1-Methoxy-2-amino-4-(2'-hydroxyethylamino)benzol, 1,3-Bis-(2',4'-diaminophenyl)-propan, 2,6-Bis-(2'-hydroxyethylamino)-1-methylbenzol, 2-({3-[(2-Hydroxyethyl)amino]-4-methoxy-5-methylphenyl}amino)ethanol, 2-({3-[(2-Hydroxyethyl)amino]-2-methoxy-5-methylphenyl}amino)ethanol, 2-({3-[(2-Hydroxyethyl)amino]-4,5-dimethylphenyl}-amino)ethanol, 2-[3-Morpholin-4-ylphenyl)amino]ethanol, 3-Amino-4-(2-methoxy-ethoxy)-5-methylphenylamin und 1-Amino-3-bis-(2'-hydroxyethyl)-aminobenzol,
• – o-Diaminobenzol und dessen Derivate wie beispielsweise 3,4-Diaminobenzoesäure und 2,3-Diamino-1-methylbenzol,
• – Di- beziehungsweise Trihydroxybenzolderivate wie beispielsweise Resorcin, Resorcinmonomethylether, 2-Methylresorcin, 5-Methylresorcin, 2,5-Dimethylresorcin, 2-Chlorresorcin, 4-Chlorresorcin, Pyrogallol und 1,2,4-Trihydroxybenzol,
• – Pyridinderivate wie beispielsweise 2,6-Dihydroxypyridin, 2-Amino-3-hydroxypyridin, 2-Amino-5-chlor-3-hydroxypyridin, 3-Amino-2-methylamino-6-methoxypyridin, 2,6-Dihydroxy-3,4-dimethylpyridin, 2,6-Dihydroxy-4-methylpyridin, 2,6-Diaminopyridin, 2,3-Diamino-6-methoxypyridin und 3,5-Diamino-2,6-dimethoxypyridin,
• – Naphthalinderivate wie beispielsweise 1-Naphthol, 2-Methyl-l-naphthol, 2-Hydroxymethyl-1-naphthol, 2-Hydroxyethyl-1-naphthol, 1,5-Dihydroxynaphthaün, 1,6-Dihydroxynaphthalin, 1,7-Dihydroxynaphthalin, 1,8-Dihydroxynaphthalin, 2,7-Dihydroxynaphthalin und 2,3-Dihydroxynaphthalin,
• – Morpholinderivate wie beispielsweise 6-Hydroxybenzomorpholin und 6-Amino-benzomorpholin,
• – Chinoxalinderivate wie beispielsweise 6-Methyl-1,2,3,4-tetrahydrochinoxalin,
• – Pyrazolderivate wie beispielsweise 1-Phenyl-3-methylpyrazol-5-on,
• – Indolderivate wie beispielsweise 4-Hydroxyindol, 6-Hydroxyindol und 7-Hydroxyindol,
• – Pyrimidinderivate, wie beispielsweise 4,6-Diaminopyrimidin, 4-Amino-2,6-dihydroxypyrimidin, 2,4-Diamino-6-hydroxypyrimidin, 2,4,6-Trihydroxypyrimidin, 2-Amino-4-methylpyrimidin, 2-Amino-4-hydroxy-6-methylpyrimidin und 4,6-Dihydroxy-2-methylpyrimidin, oder
• – Methylendioxybenzolderivate wie beispielsweise 1-Hydroxy-3,4-methylendioxybenzol, 1-Amino-3,4-methylendioxybenzol und 1-(2'-Hydroxyethyl)-amino-3,4-methylendioxybenzol

sowie deren physiologisch verträglichen Salze.According to preferred coupler components are

• - M-aminophenol and its derivatives such as 5-amino-2-methylphenol, N-cyclopentyl-3-aminophenol, 3-amino-2-chloro-6-methylphenol, 2-hydroxy-4-aminophenoxyethanol, 2,6-dimethyl 3-aminophenol, 3-trifluoroacetylamino-2-chloro-6-methylphenol, 5-amino-4-chloro-2-methylphenol, 5-amino-4-methoxy-2-methylphenol, 5- (2'-hydroxyethyl) - amino-2-methylphenol, 3- (diethylamino) -phenol, N-cyclopentyl-3-aminophenol, 1,3-dihydroxy-5- (methylamino) -benzene, 3-ethylamino-4-methylphenol and 2,4-dichloro 3-aminophenol,
• O-aminophenol and its derivatives,
• - M-Diaminobenzene and its derivatives such as 2,4-diaminophenoxy-ethanol, 1,3-bis (2 ', 4'-diaminophenoxy) propane, 1-methoxy-2-amino-4- (2'-hydroxyethylamino ) benzene, 1,3-bis (2 ', 4'-diaminophenyl) -propane, 2,6-bis (2'-hydroxyethylamino) -1-methylbenzene, 2 - ({3 - [(2-hydroxyethyl) amino] -4-methoxy-5-methylphenyl} amino) ethanol, 2 - ({3 - [(2-hydroxyethyl) amino] -2-methoxy-5-methylphenyl} amino) ethanol, 2 - ({3 - [( 2-hydroxyethyl) amino] -4,5-dimethylphenyl} amino) ethanol, 2- [3-morpholin-4-ylphenyl) amino] ethanol, 3-amino-4- (2-methoxyethoxy) -5-methylphenylamine and 1-amino-3-bis (2'-hydroxyethyl) aminobenzene,
• O-diaminobenzene and its derivatives such as 3,4-diaminobenzoic acid and 2,3-diamino-1-methylbenzene,
• Di- or trihydroxybenzene derivatives such as resorcinol, resorcinol monomethyl ether, 2-methylresorcinol, 5-methylresorcinol, 2,5-dimethylresorcinol, 2-chlororesorcinol, 4-chlororesorcinol, pyrogallol and 1,2,4-trihydroxybenzene,
• Pyridine derivatives such as 2,6-dihydroxypyridine, 2-amino-3-hydroxypyridine, 2-amino-5-chloro-3-hydroxypyridine, 3-amino-2-methylamino-6-methoxypyridine, 2,6-dihydroxy-3, 4-dimethylpyridine, 2,6-dihydroxy-4-methylpyridine, 2,6-diaminopyridine, 2,3-diamino-6-methoxypyridine and 3,5-diamino-2,6-dimethoxypyridine,
• Naphthalene derivatives such as, for example, 1-naphthol, 2-methyl-1-naphthol, 2-hydroxymethyl-1-naphthol, 2-hydroxyethyl-1-naphthol, 1,5-dihydroxynaphthaene, 1,6-dihydroxynaphthalene, 1,7-dihydroxynaphthalene, 1,8-dihydroxynaphthalene, 2,7-dihydroxynaphthalene and 2,3-dihydroxynaphthalene,
• Morpholine derivatives such as 6-hydroxybenzomorpholine and 6-aminobenzomorpholine,
• Quinoxaline derivatives such as 6-methyl-1,2,3,4-tetrahydroquinoxaline,
• Pyrazole derivatives such as 1-phenyl-3-methylpyrazol-5-one,
• Indole derivatives such as 4-hydroxyindole, 6-hydroxyindole and 7-hydroxyindole,
• Pyrimidine derivatives such as 4,6-diaminopyrimidine, 4-amino-2,6-dihydroxypyrimidine, 2,4-diamino-6-hydroxypyrimidine, 2,4,6-trihydroxypyrimidine, 2-amino-4-methylpyrimidine, 2-amino 4-hydroxy-6-methylpyrimidine and 4,6-dihydroxy-2-methylpyrimidine, or
• - Methylenedioxybenzene derivatives such as 1-hydroxy-3,4-methylenedioxybenzene, 1-amino-3,4-methylenedioxybenzene and 1- (2'-hydroxyethyl) amino-3,4-methylenedioxybenzene

and their physiologically acceptable salts.

Particularly according to the invention preferred coupler components are 1-naphthol, 1,5-, 2,7- and 1,7-dihydroxynaphthalene, 3-aminophenol, 5-amino-2-methylphenol, 2-amino-3-hydroxypyridine, resorcinol, 4-chlororesorcinol, 2-chloro-6-methyl-3-aminophenol, 2-methyl-resorcinol, 5-methylresorcinol, 2,5-dimethylresorcinol and 2,6-dihydroxy-3,4-dimethylpyridine.

The following coupler / developer combinations have proved particularly suitable according to the invention:
3-amino-4- (4-methoxyphenoxy) phenylamine / p-phenylenediamine
3-amino-4- (4-methoxyphenoxy) phenylamine / p-toluenediamine
3-amino-4- (4-methoxyphenoxy) phenylamine / 2- (β-hydroxyethyl) -p-phenylenediamine
3-amino-4- (4-methoxyphenoxy) phenylamine / N, N-bis (β-hydroxyethyl) -p-phenylenediamine
3-amino-4- (3-methoxyphenoxy) phenylamine / p-phenylenediamine
3-amino-4- (3-methoxyphenoxy) phenylamine / p-toluenediamine
3-amino-4- (3-methoxyphenoxy) phenylamine / 2- (β-hydroxyethyl) -p-phenylenediamine
3-amino-4- (3-methoxyphenoxy) phenylamine / N, N-bis (β-hydroxyethyl) p-phenylenediamine
3-Amino-4- (2-methoxyphenoxy) -phenylamine / p-phenylenediamine
3-Amino-4- (2-methoxyphenoxy) -phenylamine / p-toluenediamine
3-Amino-4- (2-methoxyphenoxy) -phenylamine / 2- (β-hydroxyethyl) -p-phenylenediamine
3-Amino-4- (2-methoxyphenoxy) -phenylamine / of N, N-bis (β-hydroxyethyl) -p-phenylenediamine

The hair colorants according to the invention contain both the developer components and the coupler components preferably in an amount of 0.005 to 20 wt .-%, preferably 0.1 to 5 wt .-%, each based on the total oxidation colorant. This developer components and coupler components in general used in about molar amounts to each other. If also the molar use proved to be useful has, so is a certain excess of individual Oxidation dye precursors not disadvantageous, so that developer components and coupler components in a molar ratio of 1: 0.5 to 1: 3, in particular 1: 1 to 1: 2, may be included.

In a further embodiment of the present invention the colorants contain at least one precursor of a naturally-analogous dye. Preferred precursors of naturally-analogous dyes are those indoles and indolines containing at least one hydroxy or amino group, preferably as a substituent on the six-membered ring. These groups can bear further substituents, for. B. in the form of an etherification or Esterification of the hydroxy group or alkylation of the amino group. In a second preferred embodiment, the colorants contain at least one indole and / or indoline derivative.

in der unabhängig voneinander

• – G₁₉ steht für Wasserstoff, eine C₁-C₄-Alkylgruppe oder eine C₁-C₄-Hydroxy-alkylgruppe,
• – G₂₀ steht für Wasserstoff oder eine -COOH-Gruppe, wobei die -COOH-Gruppe auch als Salz mit einem physiologisch verträglichen Kation vorliegen kann,
• – G₂₁ steht für Wasserstoff oder eine C₁-C₄-Alkylgruppe,
• – G₂₂ steht für Wasserstoff, eine C₁-C₄-Alkylgruppe oder eine Gruppe -CO-G₂₄, in der G₂₄ steht für eine C₁-C₄-Alkylgruppe, und
• – G₂₃ steht für eine der unter G₂₂ genannten Gruppen,

sowie physiologisch verträgliche Salze dieser Verbindungen mit einer organischen oder anorganischen Säure.Especially suitable as precursors of natural-analogous hair dyes are derivatives of 5,6-dihydroxy indolines of the formula (IIa),

in the independently of each other

• G ₁₉ is hydrogen, a C ₁ -C ₄ -alkyl group or a C ₁ -C ₄ -hydroxy-alkyl group,
• G ₂₀ is hydrogen or a -COOH group, where the -COOH group may also be present as a salt with a physiologically compatible cation,
• G ₂₁ is hydrogen or a C ₁ -C ₄ -alkyl group,
• G ₂₂ is hydrogen, a C ₁ -C ₄ -alkyl group or a group -CO-G ₂₄ in which G ₂₄ is a C ₁ -C ₄ -alkyl group, and
• - G ₂₃ stands for one of the groups listed under G ₂₂ ,

and physiologically acceptable salts of these compounds with an organic or inorganic acid.

Especially preferred derivatives of indoline are the 5,6-dihydroxyindoline, N-methyl-5,6-dihydroxyindoline, N-ethyl-5,6-dihydroxyindoline, N-propyl-5,6-dihydroxyindoline, N-butyl-5,6-dihydroxyindoline, 5,6-Dihydroxyindolin-2-carboxylic acid and 6-hydroxyindoline, 6-aminoindoline and 4-aminoindoline.

Especially noteworthy within this group are N-methyl-5,6-dihydroxyindoline, N-ethyl-5,6-dihydroxyindoline, N-propyl-5,6-dihydroxyindoline, N-butyl-5,6-dihydroxyindoline and in particular the 5,6-dihydroxyindoline.

in der unabhängig voneinander

• – G₂₅ steht für Wasserstoff, eine C₁-C₄-Alkylgruppe oder eine C₁-C₄-Hydroxyalkylgruppe,
• – G₂₆ steht für Wasserstoff oder eine -COOH-Gruppe, wobei die -COOH-Gruppe auch als Salz mit einem physiologisch verträglichen Kation vorliegen kann,
• – G₂₇ steht für Wasserstoff oder eine C₁-C₄-Alkylgruppe,
• – G₂₈ steht für Wasserstoff, eine C₁-C₄-Alkylgruppe oder eine Gruppe -CO-G₃₀, in der G₃₀ steht für eine C₁-C₄-Alkylgruppe, und
• – G₂₉ steht für eine der unter G₂₈ genannten Gruppen,
• – sowie physiologisch verträgliche Salze dieser Verbindungen mit einer organischen oder anorganischen Säure.

Also suitable as precursors of naturally-analogous hair dyes are derivatives of the 5,6-dihydroxyindole of the formula (IIb),

in the independently of each other

• G ₂₅ is hydrogen, a C ₁ -C ₄ -alkyl group or a C ₁ -C ₄ -hydroxyalkyl group,
• G ₂₆ is hydrogen or a -COOH group, where the -COOH group may also be present as a salt with a physiologically compatible cation,
• G ₂₇ is hydrogen or a C ₁ -C ₄ -alkyl group,
• G ₂₈ is hydrogen, a C ₁ -C ₄ -alkyl group or a group -CO-G ₃₀ , in which G ₃₀ is a C ₁ -C ₄ -alkyl group, and
• - G ₂₉ stands for one of the groups mentioned under G ₂₈ ,
• - As well as physiologically acceptable salts of these compounds with an organic or inorganic acid.

Especially preferred derivatives of indole are 5,6-dihydroxyindole, N-methyl-5,6-dihydroxyindole, N-ethyl-5,6-dihydroxyindole, N-propyl-5,6-dihydroxyindole, N-butyl-5,6-dihydroxyindole, 5,6-dihydroxyindole-2-carboxylic acid, 6-hydroxyindole, 6-aminoindole and 4-aminoindole.

Emphasized within this group are N-methyl-5,6-dihydroxyindole, N-ethyl-5,6-dihydroxyin dol, N-propyl-5,6-dihydroxyindole, N-butyl-5,6-dihydroxyindole, and especially the 5,6-dihydroxyindole.

The Indoline and indole derivatives can in the colorants of the invention both as free bases and in the form of their physiologically acceptable Salts with inorganic or organic acids, e.g. The hydrochlorides, the sulfates and hydrobromides used. The indole or Indoline derivatives are common in these in amounts of 0.05-10 Wt .-%, preferably 0.2-5 Wt .-% included.

In a further embodiment it may be preferred according to the invention be the indoline or indole derivative in colorants in combination with at least one amino acid or an oligopeptide use. The amino acid is advantageously an α-amino acid; all particularly preferred α-amino acids Arginine, ornithine, lysine, serine and histidine, especially arginine.

Next the m-phenylenediamine derivatives of the invention of the formula (I) the colorants of the invention in a further preferred embodiment of the present invention Invention for shading one or more substantive dyes contain. Direct dyes are usually nitrophenylenediamines, Nitroaminophenols, azo dyes, anthraquinones or indophenols. Preferred substantive dyes are those among the international ones Designations or trade names HC Yellow 2, HC Yellow 4, HC Yellow 5, HC Yellow 6, HC Yellow 12, Acid Yellow 1, Acid Yellow 10, Acid Yellow 23, Acid Yellow 36, HC Orange 1, Disperse Orange 3, Acid Orange 7, HC Red 1, HC Red 3, HC Red 10, HC Red 11, HC Red 13, Acid Red 33, Acid Red 52, HC Red BN, Pigment Red 57: 1, HC Blue 2, HC Blue 12, Disperse Blue 3, Acid Blue 7, Acid Green 50, HC Violet 1, Disperse Violet 1, Disperse Violet 4, Acid Violet 43, Disperse Black 9, Acid Black 1, and Acid Black 52 known compounds and 1,4-diamino-2-nitrobenzene, 2-amino-4-nitrophenol, 1,4-bis (β-hydroxyethyl) amino-2-nitrobenzene, 3-nitro-4- (β-hydroxyethyl) aminophenol . 2- (2'-hydroxyethyl) amino-4,6-dinitrophenol, 1- (2'-hydroxyethyl) amino-4-methyl-2-nitrobenzene, 1-amino-4- (2'-hydroxyethyl) amino-5-chloro-2-nitrobenzene, 4-amino-3-nitrophenol, 1- (2'-ureidoethyl) amino-4-nitrobenzene, 4-amino-2-nitrodiphenylamine-2'-carboxylic acid, 6-nitro-1,2,3,4-tetrahydroquinoxaline, 2-hydroxy-1,4-naphthoquinone, picramic acid and its salts, 2-amino-6-chloro-4-nitrophenol, 4-ethylamino-3-nitrobenzoic acid and 2-chloro-6-ethylamino-1-hydroxy-4-nitrobenzene.

• (a) kationische Triphenylmethanfarbstoffe, wie beispielsweise Basic Blue 7, Basic Blue 26, Basic Violet 2 und Basic Violet 14,
• (b) aromatischen Systeme, die mit einer quaternären Stickstoffgruppe substituiert sind, wie beispielsweise Basic Yellow 57, Basic Red 76, Basic Blue 99, Basic Brown 16 und Basic Brown 17, sowie
• (c) direktziehende Farbstoffe, die einen Heterocyclus enthalten, der mindestens ein quaternäres Stickstoffatom aufweist, wie sie beispielsweise in der EP-A2-998 908, auf die an dieser Stelle explizit Bezug genommen wird, in den Ansprüchen 6 bis 11 genannt werden.

Furthermore, the agents according to the invention may contain a cationic substantive dye. Particularly preferred are

• (a) cationic triphenylmethane dyes such as Basic Blue 7, Basic Blue 26, Basic Violet 2 and Basic Violet 14,
• (b) aromatic systems substituted with a quaternary nitrogen group, such as Basic Yellow 57, Basic Red 76, Basic Blue 99, Basic Brown 16 and Basic Brown 17, as well as
• (C) substantive dyes containing a heterocycle having at least one quaternary nitrogen atom, as mentioned for example in EP-A2-998 908, to which reference is explicitly made at this point in claims 6 to 11 are called.

Preferred cationic substantive dyes of group (c) are in particular the following compounds:

The Compounds of the formulas (DZ1), (DZ3) and (DZ5), which are also available under the terms Basic Yellow 87, Basic Orange 31 and Basic Red 51 are very particularly preferred cationic substantive Dyes of group (c).

The cationic direct dyes, which are sold under the trademark Arianor ^®, according to the invention are also very particularly preferred cationic direct dyes.

The agents according to the invention according to this embodiment contain the substantive dyes preferably in an amount from 0.01 to 20 wt .-%, based on the total colorant.

Farther can the preparations according to the invention also occurring in nature dyes such as, for example in henna red, henna neutral, henna black, chamomile flower, sandalwood, black tea, buckthorn bark, sage, bluewood, madder root, catechu, Sedre and alkano root are included.

It it is not necessary that the oxidation dye precursors or the direct dyes in each case uniform compounds represent. Rather, you can in the hair colorants according to the invention by the manufacturing processes for the individual dyes, be contained in minor amounts still other components as far as these are not the dyeing result adversely affect or for other reasons, e.g. toxicological, must be excluded.

Regarding the in the hair dyeing and -tönungsmitteln applicable dyes is still expressly on the monograph Ch. Zviak, The Science of Hair Care, Chapter 7 (pp. 248-250; Dyes) and chapter 8, pages 264-267; Oxidation dye precursors) appeared as volume 7 of the series "Dermatology" (ed. Ch., Culnan and H. Maibach), Marcel Dekker Inc., New York, Basel, 1986, as well as the "European Inventory of cosmetic raw materials ", issued by the European Community, available in diskette form from the German Association of Industrial and Trade Companies for Medicines, Health food and personal care products e.V., Mannheim.

The Colorants according to the invention can continue all for such preparations contain known active ingredients, additives and excipients. In many cases contain the colorants at least one surfactant, wherein in principle both anionic and zwitterionic, ampholytic, nonionic and cationic surfactants are suitable. In many cases However, it has proved to be advantageous, the surfactants from anionic, select zwitterionic or nonionic surfactants.

• – lineare Fettsäuren mit 10 bis 22 C-Atomen (Seifen),
• – Ethercarbonsäuren der Formel R-O-(CH₂-CH₂O)_x -CH₂-COOH, in der R eine lineare Alkylgruppe mit 10 bis 22 C-Atomen und x = 0 oder 1 bis 16 ist,
• – Acylsarcoside mit 10 bis 18 C-Atomen in der Acylgruppe,
• – Acyltauride mit 10 bis 18 C-Atomen in der Acylgruppe,
• – Acylisethionate mit 10 bis 18 C-Atomen in der Acylgruppe,
• – Sulfobernsteinsäuremono- und -dialkylester mit 8 bis 18 C-Atomen in der Alkylgruppe und Sulfobernsteinsäuremono-alkylpolyoxyethylester mit 8 bis 18 C-Atomen in der Alkylgruppe und 1 bis 6 Oxyethylgruppen,
• – lineare Alkansulfonate mit 12 bis 18 C-Atomen,
• – lineare Alpha-Olefinsulfonate mit 12 bis 18 C-Atomen,
• – Alpha-Sulfofettsäuremethylester von Fettsäuren mit 12 bis 18 C-Atomen,
• – Alkylsulfate und Alkylpolyglykolethersulfate der Formel R-O(CH₂-CH₂O)_x SO₃H, in der R eine bevorzugt lineare Alkylgruppe mit 10 bis 18 C-Atomen und x = 0 oder 1 bis 12 ist,
• – Gemische oberflächenaktiver Hydroxysulfonate gemäß DE-A-37 25 030,
• – sulfatierte Hydroxyalkylpolyethylen- und/oder Hydroxyalkylenpropylenglykolether gemäß DE-A-37 23 354,
• – Sulfonate ungesättigter Fettsäuren mit 12 bis 24 C-Atomen und 1 bis 6 Doppelbindungen gemäß DE-A-39 26 344,
• – Ester der Weinsäure und Zitronensäure mit Alkoholen, die Anlagerungsprodukte von etwa 2–15 Molekülen Ethylenoxid und/oder Propylenoxid an Fettalkohole mit 8 bis 22 C-Atomen darstellen.

Suitable anionic surfactants in preparations according to the invention are all anionic surfactants suitable for use on the human body. These are characterized by a water-solubilizing, anionic group such. Example, a carboxylate, sulfate, sulfonate or phosphate group and a lipophilic alkyl group having about 10 to 22 carbon atoms. In addition, glycol or polyglycol ether groups, ester, ether and amide groups and hydroxyl groups may be present in the molecule. Examples of suitable anionic surfactants are, in each case in the form of the sodium, potassium and ammonium as well as the mono-, di- and trialkanolammonium salts having 2 or 3 C atoms in the alkanol group,

• - linear fatty acids with 10 to 22 carbon atoms (soaps),
• Ether carboxylic acids of the formula RO- (CH ₂ -CH ₂ O) _x -CH ₂ -COOH, in which R is a linear alkyl group having 10 to 22 C atoms and x = 0 or 1 to 16,
• Acylsarcosides having 10 to 18 C atoms in the acyl group,
• Acyltaurides having 10 to 18 C atoms in the acyl group,
• Acyl isethionates having 10 to 18 C atoms in the acyl group,
• Sulfosuccinic acid mono- and dialkyl esters having 8 to 18 C atoms in the alkyl group and sulfosuccinic acid monoalkyl polyoxyethyl esters having 8 to 18 C atoms in the alkyl group and 1 to 6 oxyethyl groups,
• Linear alkanesulfonates having 12 to 18 C atoms,
• - linear alpha-olefin sulfonates having 12 to 18 C atoms,
• Alpha-sulfofatty acid methyl esters of fatty acids containing 12 to 18 carbon atoms,
• Alkyl sulfates and alkyl polyglycol ether sulfates of the formula RO (CH ₂ -CH ₂ O) _x SO ₃ H, in which R is a preferably linear alkyl group having 10 to 18 C atoms and x = 0 or 1 to 12,
• Mixtures of surface-active hydroxysulfonates according to DE-A-37 25 030,
• Sulfated hydroxyalkylpolyethylene and / or hydroxyalkylene-propylene glycol ethers according to DE-A-37 23 354,
• Sulfonates of unsaturated fatty acids having 12 to 24 carbon atoms and 1 to 6 double bonds according to DE-A-39 26 344,
• - esters of tartaric acid and citric acid with alcohols which are adducts of about 2-15 molecules of ethylene oxide and / or propylene oxide with fatty alcohols having 8 to 22 carbon atoms.

Preferred anionic surfactants are alkyl sulfates, alkyl polyglycol ether sulfates and ether carboxylic acids having 10 to 18 carbon atoms in the alkyl group and up to 12 glycol ether groups in the molecule and in particular salts of saturated and in particular unsaturated C ₈ -C ₂₂ carboxylic acids, such as oleic acid, stearic acid, isostearic acid and palmitic acid ,

• – Anlagerungsprodukte von 2 bis 30 Mol Ethylenoxid und/oder 0 bis 5 Mol Propylenoxid an lineare Fettalkohole mit 8 bis 22 C-Atomen, an Fettsäuren mit 12 bis 22 C-Atomen und an Alkylphenole mit 8 bis 15 C-Atomen in der Alkylgruppe,
• – C_{1 2}-C₂₂-Fettsäuremono- und -diester von Anlagerungsprodukten von 1 bis 30 Mol Ethylenoxid an Glycerin,
• – C₈-C₂₂-Alkylmono- und -oligoglycoside und deren ethoxylierte Analoga sowie
• – Anlagerungsprodukte von 5 bis 60 Mol Ethylenoxid an Rizinusöl und gehärtetes Rizinusöl.

Nonionic surfactants contain as hydrophilic group z. A polyol group, a polyalkylene glycol ether group or a combination of polyol and polyglycol ether groups. Such compounds are, for example

• Addition products of 2 to 30 moles of ethylene oxide and / or 0 to 5 moles of propylene oxide onto linear fatty alcohols having 8 to 22 carbon atoms, to fatty acids containing 12 to 22 carbon atoms and to alkylphenols having 8 to 15 carbon atoms in the alkyl group,
• - C _{1 2} -C ₂₂ fatty acid monoesters and diesters of addition products of 1 to 30 mol ethylene oxide onto glycerol,
• C ₈ -C ₂₂ alkyl mono- and oligoglycosides and their ethoxylated analogs, and
• - Addition products of 5 to 60 moles of ethylene oxide with castor oil and hydrogenated castor oil.

Preferred nonionic surfactants are alkyl polyglycosides of the general formula R ¹ O- (Z) _x . These connections are identified by the following parameters.

The alkyl radical R ¹ contains 6 to 22 carbon atoms and may be both linear and branched. Preference is given to primary linear and methyl-branched in the 2-position aliphatic radicals. Such alkyl radicals are, for example, 1-octyl, 1-decyl, 1-lauryl, 1-myristyl, 1-cetyl and 1-stearyl. Particularly preferred are 1-octyl, 1-decyl, 1-lauryl, 1-myristyl. When using so-called "oxo-alcohols" as starting materials, compounds with an odd number of carbon atoms in the alkyl chain predominate.

The alkyl polyglycosides which can be used according to the invention can contain, for example, only one particular alkyl radical R ¹ . Usually, however, these compounds are prepared starting from natural fats and oils or mineral oils. In this case, the alkyl radicals R are mixtures corresponding to the starting compounds or corresponding to the particular work-up of these compounds.

• – im Wesentlichen aus C₈- und C₁₀-Alkylgruppen,
• – im Wesentlichen aus C_{1 2}- und C_{1 4}-Alkylgruppen,
• – im Wesentlichen aus C₈- bis C₁₆-Alkylgruppen oder
• – im Wesentlichen aus C_{1 2}- bis C_{1 6}-Alkylgruppen besteht.

Particular preference is given to those alkylpolyglycosides in which R ¹

• Essentially C ₈ and C ₁₀ alkyl groups,
• Essentially C _{1 2} and C _{1 4} -alkyl groups,
• Essentially of C ₈ to C ₁₆ alkyl groups or
• - Consists essentially of C _{1 2} - to C _{1 6} alkyl groups.

When Sugar component Z can any mono- or oligosaccharides are used. Usually Sugar with 5 or 6 carbon atoms and the corresponding oligosaccharides used. Such sugars are, for example, glucose, fructose, Galactose, arabinose, ribose, xylose, lyxose, allose, altrose, mannose, Gulose, idose, talose and sucrose. Preferred sugar building blocks are Glucose, fructose, galactose, arabinose and sucrose; Glucose is particularly preferred.

The usable according to the invention Alkyl polyglycosides contain on average from 1.1 to 5 sugar units. Alkyl polyglycosides having x values of 1.1 to 1.6 are preferred. Very particular preference is given to alkyl glycosides in which x 1.1 to 1.4.

The Alkyl glycosides can in addition to their surfactant effect also serve the fixation of fragrance components to improve on the hair. The person skilled in the art will therefore be that one over the effect of the perfume oil beyond the duration of the hair treatment the hair desired is, preferably to this class of substance as a further ingredient the preparations according to the invention To fall back on.

Also The alkoxylated homologs of said alkyl polyglycosides can be used according to the invention become. These homologs can an average of up to 10 ethylene oxide and / or propylene oxide units per alkyl glycoside unit.

Furthermore, zwitterionic surfactants can be used, in particular as cosurfactants. Zwitterionic surfactants are surface-active compounds which carry at least one quaternary ammonium group and at least one -COO ^(-) or -SO ₃ ^(-) group in the molecule. Particularly suitable zwitterionic surfactants are the so-called betaines such as N-alkyl-N, N-dimethylammonium glycinates, for example cocoalkyl dimethylammonium glycinate, N-acylaminopropyl N, N-dimethylammonium glycinates, for example cocoacylaminopropyl-dimethylammonium glycinate, and Alkyl-3-carboxylmethyl-3-hydroxyethyl-imidazolines each having 8 to 18 carbon atoms in the alkyl or acyl group and Kokosacylaminoethylhydroxyethylcarboxymethylglycinat. A preferred zwitterionic surfactant is the fatty acid amide derivative known by the INCI name Cocamidopropyl Betaine.

Also particularly suitable as co-surfactants are ampholytic surfactants. Ampholytic surfactants are understood as meaning those surface-active compounds which, apart from a C ₈ -C ₁₈ -alkyl or acyl group in the molecule, contain at least one free amino group and at least one -COOH or -SO ₃ H group and are capable of forming internal salts. Examples of suitable ampholytic surfactants are N-alkylglycines, N-alkylpropionic acids, N-alkylaminobutyric acids, N-alkyliminodipropionic acids, N-hydroxyethyl-N-alkylamidopropylglycines, N-alkyltaurines, N-alkylsarcosines, 2-alkylaminopropionic acids and alkylaminoacetic acids each having about 8 to 18 C Atoms in the alkyl group. Particularly preferred ampholytic surfactants are N-cocoalkylaminopropionate, cocoacylaminoethyl aminopropionate and C _{1 2-1 8} acyl sarcosine.

According to the invention as cationic surfactants, especially those of the quaternary ammonium type, the esterquats and amidoamines used.

Preferred quaternary ammonium compounds are ammonium halides, especially chlorides and bromides, such as alkyltrimethylammonium chlorides, dialkyldimethylammonium chlorides and trialkylmethylammonium chlorides, e.g. For example, cetyltrimethylammonium chloride, stearyltrimethylammonium chloride, distearyldimethylammonium chloride, lauryldimethylammonium chloride, lauryldimethylbenzylammonium chloride and tricetylmethylammonium chloride, and the imidazolium compounds known under the INCI names Quaternium-27 and Quaternium-83. The long alkyl chains of the above-mentioned surfactants preferably have 10 to 18 carbon atoms.

Esterquats are known substances which contain both at least one ester function and at least one quaternary ammonium group as a structural element. Preferred ester quats are quaternized ester salts of fatty acids with triethanolamine, quaternized ester salts of fatty acids with diethanolalkylamines and quaternized ester salts of fatty acids with 1,2-dihydroxypropyldialkylamines. Such products are marketed under the trade names Stepantex® ^{®, ®} and Dehyquart® Armocare® ^®. The products Armocare ^® VGH-70, a N, N-bis (2-palmitoyloxyethyl) dimethylammonium chloride, as well as Dehyquart ^® F-75 and Dehyquart ^® AU-35 are examples of such esterquats.

The alkylamidoamines are usually prepared by amidation of natural or synthetic fatty acids and fatty acid cuts with dialkylaminoamines. An inventively particularly suitable compound from this group of substances under the name Tegoamid ^® S18 stearamidopropyl commercially represent.

Further usable according to the invention cationic surfactants are the quaternized protein hydrolysates represents.

Also suitable in the present invention are cationic silicone oils such as the commercially available products Q2-7224 (manufactured by Dow Corning, a stabilized trimethylsilylamodimethicone), Dow Corning 929 emulsion (containing a hydroxylamino-modified silicone, also referred to as amodimethicones), SM-2059 (manufacturer: General Electric), SLM-55067 (manufacturer: Wacker) and Abil ^® quat 3270 and 3272 (manufacturer: Th Goldschmidt; diquaternary polydimethylsiloxanes, quaternium-80.).

An example of a suitable cationic surfactant quaternary sugar derivative is the commercially available product Glucquat ^® 100 is, according to INCI nomenclature a "lauryl methyl Gluceth-10 Hydroxypropyl Dimonium Chloride".

at it may be the compounds with alkyl groups used as surfactant each are uniform substances. It is, however, in usually preferred in the preparation of these substances by native to go out with vegetable or animal raw materials, so that one Substance mixtures with different, from the respective raw material dependent alkyl chain lengths receives.

at the surfactants, the adducts of ethylene and / or propylene oxide represent fatty alcohols or derivatives of these addition products, can both products with a "normal" homolog distribution as well as those with a narrow homolog distribution become. Under "normal" homolog distribution are understood to mean mixtures of homologs which are used in the Reaction of fatty alcohol and alkylene oxide using alkali metals, Alkali metal hydroxides or alkali metal alcoholates as catalysts receives. Narrowed homolog distributions are obtained when, for example Hydrotalcites, alkaline earth metal salts of ether carboxylic acids, alkaline earth metal oxides, hydroxides or alcoholates are used as catalysts. The use of products with narrow homolog distribution may be preferred.

• – nichtionische Polymere wie beispielsweise Vinylpyrrolidon/Vinylacrylat-Copolymere, Polyvinylpyrrolidon und Vinylpyrrolidon/Vinylacetat-Copolymere und Polysiloxane,
• – kationische Polymere wie quaternisierte Celluloseether, Polysiloxane mit quaternären Gruppen, Dimethyldiallylammoniumchlorid-Polymere, Acrylamid-Dimethyldiallyl ammoniumchlorid-Copolymere, mit Diethylsulfat quaternierte Dimethylaminoethylmethacrylat-Vinylpyrrolidon-Copolymere, Vinylpyrrolidon-Imidazoliniummethochlorid-Copolymere und quaternierter Polyvinylalkohol,
• – zwitterionische und amphotere Polymere wie beispielsweise Acrylamidopropyl-trimethylammoniumchlorid/Acrylat-Copolymere und Octylacrylamid/Methyl-methacrylat/tert-Butylaminoethylmethacrylat/2-Hydroxypropylmethacrylat-Copolymere,
• – anionische Polymere wie beispielsweise Polyacrylsäuren, vernetzte Polyacrylsäuren, Vinylacetat/Crotonsäure-Copolymere, Vinylpyrrolidon/Vinylacrylat-Copolymere, Vinylacetat/Butylmaleat/Isobornylacrylat-Copolymere, Methylvinylether/Maleinsäureanhydrid-Copolymere und Acrylsäure/Ethylacrylat/N-tert.Butyl-acrylamid-Terpolymere,
• – Verdickungsmittel wie Agar-Agar, Guar-Gum, Alginate, Xanthan-Gum, Gummi arabicum, Karaya-Gummi, Johannisbrotkernmehl, Leinsamengummen, Dextrane, Cellulose-Derivate, z. B. Methylcellulose, Hydroxyalkylcellulose und Carboxymethylcellulose, Stärke-Fraktionen und Derivate wie Amylose, Amylopektin und Dextrine, Tone wie z. B. Bentonit oder vollsynthetische Hydrokolloide wie z.B. Polyvinylalkohol,
• – Strukturanten wie Maleinsäure und Milchsäure,
• – haarkonditionierende Verbindungen wie Phospholipide, beispielsweise Sojalecithin, Ei-Lecitin und Kephaline,
• – Proteinhydrolysate, insbesondere Elastin-, Kollagen-, Keratin-, Milcheiweiß-, Soja-protein- und Weizenproteinhydrolysate, deren Kondensationsprodukte mit Fettsäuren sowie quaternisierte Proteinhydrolysate,
• – Parfümöle, Dimethylisosorbid und Cyclodextrine,
• – Lösungsmittel und -vermittler wie Ethanol, Isopropanol, Ethylenglykol, Propylenglykol, Glycerin und Diethylenglykol,
• – faserstrukturverbessernde Wirkstoffe, insbesondere Mono-, Di- und Oligosaccharide wie beispielsweise Glucose, Galactose, Fructose, Fruchtzucker und Lactose,
• – quaternierte Amine wie Methyl-1-alkylamidoethyl-2-alkylimidazolinium-methosulfat
• – Entschäumer wie Silikone,
• – Farbstoffe zum Anfärben des Mittels,
• – Antischuppenwirkstoffe wie Piroctone Olamine, Zink Omadine und Climbazol,
• – Lichtschutzmittel, insbesondere derivatisierte Benzophenone, Zimtsäure-Derivate und Triazine,
• – Substanzen zur Einstellung des pH-Wertes, wie beispielsweise übliche Säuren, insbesondere Genußsäuren und Basen,
• – Wirkstoffe wie Allantoin, Pyrrolidoncarbonsäuren und deren Salze sowie Bisabolol,
• – Vitamine, Provitamine und Vitaminvorstufen, insbesondere solche der Gruppen A, B₃, B₅, B₆, C, E, F und N,
• – Pflanzenextrakte wie die Extrakte aus Grünem Tee, Eichenrinde, Brennessel, Hamamelis, Hopfen, Kamille, Klettenwurzel, Schachtelhalm, Weißdorn, Lindenblüten, Mandel, Aloe Vera, Fichtennadel, Roßkastanie, Sandelholz, Wacholder, Kokosnuß, Mango, Aprikose, Limone, Weizen, Kiwi, Melone, Orange, Grapefruit, Salbei, Rosmarin, Birke, Malve, Wiesenschaumkraut, Quendel, Schafgarbe, Thymian, Melisse, Hauhechel, Huflattich, Eibisch, Meristem, Ginseng und Ingwerwurzel,.
• – Cholesterin,
• – Konsistenzgeber wie Zuckerester, Polyolester oder Polyolalkylether,
• – Fette und Wachse wie Walrat, Bienenwachs, Montanwachs und Paraffine,
• – Fettsäurealkanolamide,
• – Komplexbildner wie EDTA, NTA, β-Alanindiessigsäure und Phosphonsäuren,
• – Quell- und Penetrationsstoffe wie Glycerin, Propylenglykolmonoethylether, Carbonate, Hydrogencarbonate, Guanidine, Harnstoffe sowie primäre, sekundäre und tertiäre Phosphate,
• – Trübungsmittel wie Latex, Styrol/PVP- und Styrol/Acrylamid-Copolymere
• – Perlglanzmittel wie Ethylenglykolmono- und -distearat sowie PEG-3-distearat,
• – Pigmente,
• – Stabilisierungsmittel für Wassserstoffperoxid und andere Oxidationsmittel,
• – Treibmittel wie Propan-Butan-Gemische, N₂O, Dimethylether, CO₂ und Luft,
• – Antioxidantien,

enthaltenFurthermore, the colorants according to the invention further active ingredients, auxiliaries and additives, such as

• Nonionic polymers such as vinyl pyrrolidone / vinyl acrylate copolymers, polyvinyl pyrrolidone and vinyl pyrrolidone / vinyl acetate copolymers and polysiloxanes,
• Cationic polymers such as quaternized cellulose ethers, quaternary group polysiloxanes, dimethyldiallylammonium chloride polymers, acrylamide-dimethyldiallyl ammonium chloride copolymers, diethyl sulfate quaternized dimethylaminoethyl methacrylate-vinylpyrrolidone copolymers, vinylpyrrolidone-imidazolinium methochloride copolymers and quaternized polyvinyl alcohol,
• Zwitterionic and amphoteric polymers such as, for example, acrylamidopropyltrimethylammonium chloride / acrylate copolymers and octylacrylamide / methyl methacrylate / tert-butylaminoethyl methacrylate / 2-hydroxypropyl methacrylate copolymers,
• - anionic polymers such as polyacrylic acids, crosslinked polyacrylic acids, vinyl acetate / croton acid copolymers, vinylpyrrolidone / vinyl acrylate copolymers, vinyl acetate / butyl maleate / isobornyl acrylate copolymers, methyl vinyl ether / maleic anhydride copolymers and acrylic acid / ethyl acrylate / N-tert-butyl acrylamide terpolymers,
• Thickeners such as agar-agar, guar gum, alginates, xanthan gum, gum arabic, karaya gum, locust bean gum, linseed gums, dextrans, cellulose derivatives, e.g. For example, methylcellulose, hydroxyalkylcellulose and carboxymethylcellulose, starch fractions and derivatives such as amylose, amylopectin and dextrins, clays such. B. bentonite or fully synthetic hydrocolloids such as polyvinyl alcohol,
• - structurants such as maleic acid and lactic acid,
• Hair-conditioning compounds such as phospholipids, for example soya lecithin, egg lecithin and cephalins,
• Protein hydrolysates, in particular elastin, collagen, keratin, milk protein, soy protein and wheat protein hydrolysates, their condensation products with fatty acids and quaternized protein hydrolysates,
• Perfume oils, dimethylisosorbide and cyclodextrins,
• Solvents and mediators such as ethanol, isopropanol, ethylene glycol, propylene glycol, glycerol and diethylene glycol,
• Fiber-structure-improving active substances, in particular mono-, di- and oligosaccharides such as, for example, glucose, galactose, fructose, fructose and lactose,
• Quaternized amines such as methyl-1-alkylamidoethyl-2-alkylimidazolinium methosulfate
• Defoamers like silicones,
• Dyes for staining the agent,
• Anti-dandruff agents such as Piroctone Olamine, Zinc Omadine and Climbazole,
• - light stabilizers, in particular derivatized benzophenones, cinnamic acid derivatives and triazines,
• Substances for adjusting the pH, such as, for example, customary acids, in particular edible acids and bases,
• - active substances such as allantoin, pyrrolidonecarboxylic acids and their salts, and bisabolol,
• Vitamins, provitamins and vitamin precursors, in particular those of groups A, B ₃ , B ₅ , B ₆ , C, E, F and N,
• - Plant extracts such as extracts of green tea, oak bark, stinging nettle, witch hazel, hops, chamomile, burdock root, horsetail, hawthorn, linden, almond, aloe vera, spruce needle, horse chestnut, sandalwood, juniper, coconut, mango, apricot, lime, wheat, Kiwi, melon, orange, grapefruit, sage, rosemary, birch, mallow, meadowfoam, quenelle, yarrow, thyme, lemon balm, toadstool, coltsfoot, marshmallow, meristem, ginseng and ginger root ,.
• - cholesterol,
• Bodying agents such as sugar esters, polyol esters or polyol alkyl ethers,
• - fats and waxes such as spermaceti, beeswax, montan wax and paraffins,
• Fatty acid alkanolamides,
• Complexing agents such as EDTA, NTA, β-alaninediacetic acid and phosphonic acids,
• - swelling and penetrating substances such as glycerol, propylene glycol monoethyl ether, carbonates, bicarbonates, guanidines, ureas and primary, secondary and tertiary phosphates,
• Opacifiers such as latex, styrene / PVP and styrene / acrylamide copolymers
• Pearlescing agents such as ethylene glycol mono- and distearate and PEG-3-distearate,
• - pigments,
• Stabilizer for hydrogen peroxide and other oxidizing agents,
• Propellants such as propane-butane mixtures, N ₂ O, dimethyl ether, CO ₂ and air,
• - antioxidants,

contain

Regarding further optional components as well as the amounts of these components used expressly on the specialist manuals known to those skilled in the art, eg. B. Kh. Schrader, Basics and formulations of cosmetics, 2nd edition, Hüthig Buch Verlag, Heidelberg, 1989, referenced.

The agents according to the invention contain the dye precursors preferably in a suitable aqueous, alcoholic or watery-alcoholic Carrier. For the purpose of hair coloring For example, such carriers are Creams, emulsions, gels or surfactant-containing foaming solutions, such as shampoos, foam aerosols or other preparations, the for the application on the hair are suitable. But it is also conceivable the dye precursors in a powdered or tablet-like formulation to integrate.

For the purposes of the present invention, aqueous-alcoholic solutions are aqueous solutions containing 3 to 70 wt .-% of a C ₁ -C ₄ alcohol, in particular ethanol or isopropanol to understand. The compositions according to the invention may additionally contain further organic solvents, for example methoxybutanol, benzyl alcohol, ethyl diglycol or 1,2-propylene glycol. Preference is given to all water-soluble organic solvents.

The actual oxidative staining the fibers can basically done with atmospheric oxygen. However, preference is given to a chemical Oxidizing agent used, especially if in addition to the coloring, a whitening effect desired on human hair is. The oxidizing agents are persulfates, chlorites and in particular Hydrogen peroxide or its addition products to urea, Melamine and sodium borate in question. However, according to the invention the oxidation colorant also be applied to the hair together with a catalyst, the oxidation of the dye precursors, e.g. by atmospheric oxygen, activated. Such catalysts are e.g. Metal ions, iodides, quinones or certain enzymes.

Suitable metal ions are, for example, Zn ²⁺ , Cu ²⁺ , Fe ²⁺ , Fe ³⁺ , Mn ²⁺ , Mn ⁴⁺ , Li ⁺ , Mg ²⁺ , Ca ²⁺ and Al ³⁺ . Particularly suitable are Zn ²⁺ , Cu ²⁺ and Mn ²⁺ . The metal ions can in principle be used in the form of any physiologically acceptable salt or in the form of a complex compound. Preferred salts are the acetates, sulfates, halides, lactates and tartrates. By using these metal salts, both the formation of the dyeing can be accelerated and the color shade can be specifically influenced.

• – Pyranose-Oxidase und z.B. D-Glucose oder Galactose,
• – Glucose-Oxidase und D-Glucose,
• – Glycerin-Oxidase und Glycerin,
• – Pyruvat-Oxidase und Benztraubensäure oder deren Salze,
• – Alkohol-Oxidase und Alkohol (MeOH, EtOH),
• – Lactat-Oxidase und Milchsäure und deren Salze,
• – Tyrosinase-Oxidase und Tyrosin,
• – Uricase und Harnsäure oder deren Salze,
• – Cholinoxidase und Cholin,
• – Aminosäure-Oxidase und Aminosäuren.

Suitable enzymes include peroxidases, which can significantly enhance the effect of small amounts of hydrogen peroxide. Furthermore, such enzymes are suitable according to the invention which directly oxidize the oxidation dye precursors with the aid of atmospheric oxygen, such as, for example, the laccases, or generate small amounts of hydrogen peroxide in situ and thus biocatalytically activate the oxidation of the dye precursors. Particularly suitable catalysts for the oxidation of the dye precursors are the so-called 2-electron oxidoreductases in combination with the specific substrates, eg

• Pyranose oxidase and eg D-glucose or galactose,
• Glucose oxidase and D-glucose,
• - glycerol oxidase and glycerin,
• Pyruvate oxidase and pyruvic acid or its salts,
• Alcohol oxidase and alcohol (MeOH, EtOH),
• Lactate oxidase and lactic acid and their salts,
• Tyrosinase oxidase and tyrosine,
• Uricase and uric acid or their salts,
• - choline oxidase and choline,
• - amino acid oxidase and amino acids.

The actual hair dye is expediently immediately before use by mixing the preparation of the Oxidizing agent with the preparation containing the dye precursors, produced. The resulting ready-to-use hair dye preparation should preferably have a pH in the range of 6 to 12. Especially the use of the hair dye in a weakly alkaline is preferred Milieu. The application temperatures can be in a range between 15 and 40 ° C lie. After an exposure time of 5 to 45 minutes, the Hair Dye by rinsing of which to be colored Hair removed. The washing with a shampoo is eliminated, if a high surfactant-containing carrier, e.g. a dyeing shampoo, has been used.

Especially in hard-to-dye Hair can be the preparation with the dye precursors as well without prior mixing with the oxidation component on the Hair will be applied. After an exposure time of 20 to 30 minutes will then - if necessary after an intermediate rinse - the oxidation component applied. After another exposure time of 10 to 20 minutes is then rinsed and if desired shampooed. In this embodiment, according to a first variant, in which the previous application of the dye precursors to effect a better penetration into the hair, the corresponding Medium adjusted to a pH of about 4 to 7. According to one second variant is first an air oxidation, with the applied agent being preferred has a pH of 7 to 10. At the subsequent accelerated Post-oxidation may be the use of acidified peroxydisulfate solutions as Oxidizing agent may be preferred.

One second subject of the present invention is a method for coloring keratinic fibers in which a hair dye according to the invention is applied to the fibers is rinsed off and after a contact time again.

wobei
R₁, steht für eine verzweigte oder unverzweigte C₁- bis C₆-Alkylgruppe, die gegebenenfalls einen oder mehrere Hydroxygruppen tragen kann,
R₂, R₃ und R₄ stehen unabhängig voneinander für ein Wasserstoffatom, eine C₁- bis C₄-Alkylgruppe, eine C₁- bis C₄-Monohydroxyalkylgruppe, eine C₂- bis C₄-Polyhydroxyalkylgruppe, eine C₁- bis C₄-Alkoxygruppe, eine C₁- bis C₄-Alkoxy-(C₁- bis C₄)-alkylgruppe oder ein Halogenatom.A third aspect of the present invention is m-phenylenediamine derivatives of the formula (I)

in which
R ₁ , is a branched or unbranched C ₁ - to C ₆ -alkyl group which may optionally carry one or more hydroxyl groups,
R ₂ , R ₃ and R ₄ are each independently a hydrogen atom, a C ₁ to C ₄ alkyl group, a C ₁ to C ₄ monohydroxyalkyl group, a C ₂ to C ₄ polyhydroxyalkyl group, a C ₁ to C ₄ alkoxy group, a C ₁ - to C ₄ alkoxy (C ₁ - to C ₄ ) alkyl group or a halogen atom.

in the This object of the present invention is based on the above preferred embodiments directed.

Especially preferred m-phenylenediamine derivatives of the formula (I) are 3-amino-4- (4-methoxyphenoxy) -phenylamine, 3-amino-4- (3-methoxyphenoxy) phenylamine and 3-amino-4- (2-methoxyphenoxy) phenylamine.

EMBODIMENTS 1 Syntheses 1.1 3-Amino-4- (4-methoxyphenoxy) -phenylamine

1.1.1 1- (4-Methoxyphenoxy) -2,4-dinitrobenzene

100 g of 2,4-dinitrochlorobenzene, 57 g of 4-methoxyphenol and 69 g of potassium carbonate were dissolved or suspended in 500 ml of dimethylformamide, and the reaction was heated to 100 ° C. with stirring for 2 hours. The mixture was then added to 300 ml of ice, the precipitated substance was filtered off and washed with water. A sample was dried in vacuo.
Melting point: 99-103 ° C

1.1.2 3-Amino-4- (4-methoxyphenoxy) phenylamine

123 g 1- (4-Methoxyphenoxy) -2,4-dinitrobenzene (wet) were dissolved in 1.8 l ethanol + 200 ml of water suspended, mixed with 2 g of Pd / C, 5%, and the reaction is hydrogenated at room temperature overnight at 25 bar. The batch was filtered from the catalyst and to dryness concentrated.

1.2 3-Amino-4- (3-methoxyphenoxy) phenylamine

1.2.1 1- (3-Methoxyphenoxy) -2,4-dinitrobenzene

100 g of 2,4-dinitrochlorobenzene, 57 g of 3-methoxyphenol and 69 g of potassium carbonate were dissolved or suspended in 500 ml of dimethylformamide, and the mixture was heated to 100 ° C. with stirring for 2 h. The mixture was then added to 300 ml of ice, the precipitated substance was filtered off and washed with water. A sample was dried in vacuo.
Melting point: 80-83 ° C

1.2.2 3-Amino-4- (3-methoxyphenoxy) phenylamine

130 g 1- (3-Methoxyphenoxy) -2,4-dinitrobenzene (wet) were dissolved in 0.9 l ethanol + 100 ml of water, the batch with 2 g Pd / C, 5% and hydrogenated at room temperature overnight at 25 bar. The batch was filtered from the catalyst and to dryness concentrated.

1.3 3-Amino-4- (2-methoxyphenoxy) phenylamine

1.3.1 1- (2-Methoxyphenoxy) -2,4-dinitrobenzene

100 g of 2,4-dinitrochlorobenzene, 57 g of 2-methoxyphenol and 69 g of potassium carbonate were dissolved or suspended in 500 ml of dimethylformamide, and the mixture was heated to 100 ° C. with stirring for 2 h. The mixture was then added to 300 ml of ice, the precipitated substance was filtered off and washed with water. A sample was dried in vacuo.
Melting point: 87-89 ° C

1.3.2 3-Amino-4- (2-methoxyphenoxy) phenylamine

135 g of 1- (2-methoxyphenoxy) -2,4-dinitrobenzene (moist) were suspended in 1.8 l of ethanol + 200 ml of water, the batch was admixed with 2 g of Pd / C, 5% strength and added at room temperature overnight Hydrogenated at 25 bar. The batch was filtered from the catalyst and concentrated to dryness. The resulting solid residue was recrystallized from 600 ml of ethanol.
Yield: 47 g
Melting point: 93-95 ° C

2 colorations

2.1 Experimental procedure

• ¹ C_{1 6}_₁₈-Fettalkohol (INCI-Bezeichnung: Cetearyl alcohol) (Cognis)
• ² C_{1 2}_₁₈-Fettalkohol (INCI-Bezeichnung: Coconut alcohol) (Cognis)
• ³ Laurylethersulfat, Natriumsalz (ca. 27,5% Aktivsubstanz; INCI-Bezeichnung: Sodium Laureth Sulfate) (Cognis)
• ⁴ N,N-Dimethyl-N-(C₈_₁₈-kokosamidopropyl)ammoniumacetobetain (ca. 30% Aktivsubstanz; INCI-Bezeichnung: Aqua (Water), Cocamidopropyl Betaine) (Cognis)
• ⁵ Cetylstearylalkohol mit ca. 20 EO-Einheiten (INCI-Bezeichnung: Ceteareth-20) (Cognis)

For the preparation of the staining cream, 50g of a cream base was added to a 250ml beaker weighed and melted at 80 ° C. The cream base used had the following composition: Hydrenol D ^{® 1} 17.0% by weight Lorol® ^® tech. ² 4.0% by weight Texapon.RTM ^® NSO ³ 40.0% by weight Dehyton ^® K ⁴ 25.0% by weight Eumulgin ^® B2 ⁵ 1.5% by weight water 12.5% by weight

• ¹ C _{1 6} _ ₁₈ fatty alcohol (INCI name: Cetearyl alcohol) (Cognis)
• ² C _{1 2} _ ₁₈ fatty alcohol (INCI name: Coconut alcohol) (Cognis)
• ³ lauryl ether sulfate, sodium salt (about 27.5% active ingredient, INCI name: Sodium Laureth Sulfate) (Cognis)
• ⁴ N, N-dimethyl-N- (C ₈ -C ₁₈ cocoamidopropyl) ammonium acetobetaine (about 30% active ingredient, INCI name: Aqua (Water), Cocamidopropyl Betaine) (Cognis)
• ⁵ cetylstearyl alcohol with approx. 20 EO units (INCI name: Ceteareth-20) (Cognis)

It were each 1/400 mole of the developer or coupler component suspended separately in distilled water or dissolved by heating. Subsequently was Ammonia (<1 ml; 25% ammonia solution) until the pH was between 9 and 10.

The dissolved Dye precursors were added sequentially to the hot cream incorporated. Subsequently was made up to 97 g with distilled water and a pH with ammonia set by 9.5. After refilling with distilled water to 100 g, the mixture was stirred cold (<30 ° C), wherein a homogeneous cream was created.

• ⁶ 1-Hydroxyethan-1,1-diphosphonsäure (ca. 58–61% Aktivsubstanzgehalt; INCI-Bezeichnung: Etidronic Acid, Aqua (Water)) (Solutia)
• ⁷ Laurylethersulfat-Natrium-Salz (mind. 26,5 % Aktivsubstanzgehalt; INCI-Bezeichnung: Sodium Laureth Sulfate) (Cognis)
• ⁸ Acrylpolymer (ca. 29.5–30.5% Festkörper in Wasser; INCI-Bezeichnung: Acrylates/Steareth-20 Methacrylate Copolyme)

For the dyeings, in each case 25 g of dyeing cream were mixed with 25 g of the following oxidizing agent preparation. dipicolinic 0.1% by weight sodium pyrophosphate 0.03% by weight Turpinal SL ^{® 6} 1.50% by weight Texapon ^® N28 ⁷ 2.00% by weight Acrysol ^® 22 ⁸ 0.60% by weight Hydrogen peroxide, 50% 12.00% by weight Sodium hydroxide, 45% 0.80% by weight water ad 100% by weight

• ⁶ 1-Hydroxyethane-1,1-diphosphonic acid (about 58-61% active ingredient content, INCI name: Etidronic Acid, Aqua (Water)) (Solutia)
• ⁷ lauryl ether sulfate sodium salt (at least 26.5% active ingredient content, INCI name: Sodium Laureth Sulfate) (Cognis)
• ⁸ acrylic polymer (about 29.5-30.5% solids in water, INCI name: Acrylates / Steareth-20 Methacrylate Copolyme)

One strand of hair (80% gray, 330 mg to 370 mg heavy) was added to each of the mixtures thus obtained. Subsequently, the mixtures and the hair strands were placed on a watch glass and the hair strands well embedded in the dyeing creams. After 30 minutes (± 1 minute) Reaction time at room temperature, the strands of hair were taken and ^® with an aqueous solution of Texapon EVR washed so often until the excess color was removed. The strands of hair were air-dried and their color under the daylight lamp (color tester HE240A) determined and noted (Taschenlexikon the colors, A. Kornerup and JH Wanscher, 3rd unchanged edition 1981, MUSTER-SCHMIDT Verlag, Zurich, Göttingen).

The in the dyeing tests The results obtained are shown in the tables below.

2.2 colorations with 3-amino-4- (4-methoxyghenoxy) phenylamine

2.3 colorations with 3-amino-4- (3-methoxyphenoxy) phenylamine

2.4 colorations with 3-amino-4- (2-methoxyphenoxy) phenylamine

Claims (16)

Agent for coloring keratinic fibers, in particular human hair, containing in a cosmetically acceptable carrier as coupler component at least one m-phenylenediamine derivative of the formula (I)

wherein R ₁ , is a branched or unbranched C ₁ - to C ₆ alkyl group which may optionally carry one or more hydroxy groups, R ₂ , R ₃ and R ₄ are each independently a hydrogen atom, a C _{1 to} C ₄ Alkyl, C ₁ to C ₄ monohydroxyalkyl, C ₂ to C ₄ polyhydroxyalkyl, C ₁ to C ₄ alkoxy, C ₁ to C ₄ alkoxy (C _{1 to} C ₄ ) alkyl group or a halogen atom. Composition according to Claim 1, characterized in that it contains an m-phenylenediamine derivative of the formula (I) in which the substituent R ₁ stands for a branched or unbranched C ₁ - to C ₄ -alkyl group or a branched or unbranched C ₁ - to C ₄ monohydroxyalkyl group. Composition according to claim 2, characterized in that it contains an m-phenylenediamine derivative of the formula (I) in which the substituent R _{1 stands} for a methyl group or a hydroxyethyl group. Agent according to one of claims 1 to 3, characterized in that the substituent R _{2 is} hydrogen. Agent according to one of claims 1 to 4, characterized in that the substituent R _{3 is} hydrogen. Agent according to one of claims 1 to 5, characterized in that the substituent R _{4 is} hydrogen. Agent according to one of claims 1 to 6, characterized that there is at least one m-phenylenediamine derivative selected from 3-amino-4- (4-methoxyphenoxy) phenylamine, 3-amino-4- (3-methoxyphenoxy) phenylamine and 3-amino-4- (2-methoxyphenoxy) phenylamine contains. Agent according to one of claims 1 to 7, characterized that it contains at least one developer component. Agent according to one of claims 1 to 8, characterized that it contains at least one further coupler component. Agent according to one of claims 1 to 9, characterized that it also contains at least one substantive dye. Agent according to claim 10, characterized in that the substantive dye is cationic. Method of coloring keratinic fibers, wherein an agent according to any one of claims 1 to 11 is applied to the fibers and after a contact time again rinsed becomes. m-phenylenediamine derivatives of the formula (I)

wherein R ₁ , is a branched or unbranched C ₁ - to C ₆ alkyl group which may optionally carry one or more hydroxy groups, R ₂ , R ₃ and R ₄ are each independently a hydrogen atom, a C _{1 to} C ₄ Alkyl, C ₁ to C ₄ monohydroxyalkyl, C ₂ to C ₄ polyhydroxyalkyl, C ₁ to C ₄ alkoxy, C ₁ to C ₄ alkoxy (C _{1 to} C ₄ ) alkyl group or a halogen atom. 3-amino-4- (4-methoxyphenoxy) phenylamine. 3-amino-4- (3-methoxyphenoxy) phenylamine. 3-Amino-4- (2-methoxyphenoxy) phenylamine.