Classifications

• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
  • A61K8/494—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with more than one nitrogen as the only hetero atom
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
  • A61K8/4906—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with one nitrogen as the only hetero atom
  • A61K8/4926—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with one nitrogen as the only hetero atom having six membered rings
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
  • A61Q5/00—Preparations for care of the hair
  • A61Q5/10—Preparations for permanently dyeing the hair

Definitions

• the subject of the invention is new compositions for the oxidation dyeing of keratin fibers comprising at least one 3-amino pyrazolo- [1, 5-a] - pyridine as oxidation base and at least one particular pyridine coupler. , a dyeing process as well as a dyeing device using this composition.
• oxidation bases oxidation dye precursors
• oxidation bases are colorless or weakly colored compounds which, associated with oxidizing products, can give rise, through an oxidative condensation process, to colored and coloring compounds.
• couplers or color modifiers the latter being chosen in particular from aromatic metadiamines, metaaminophenols, metadiphenols and certain heterocyclic compounds.
• the dyes must also make it possible to cover white hair, and finally be the least selective possible, that is to say allow to obtain the smallest possible color differences throughout the same keratin fiber, which can be in differently sensitized effect (ie damaged) between its tip and its root.
• Pyridines are already known for the oxidation dyeing of keratin fibers as oxidation bases. For example, GB 1,026,978 and
• the object of the invention is to develop new dye compositions which make it possible to obtain a new range of colors and which do not have the drawbacks of dyes of the prior art.
• the invention aims to develop compositions which lead to very powerful colorings, particularly resistant to the various aggressions which the hair can undergo (light, bad weather, washing, permanent waving, perspiration, friction), not very selective and having good safety.
• the subject of the invention is a composition for the oxidation dyeing of keratin fibers, comprising in a medium suitable for dyeing,
• oxidation base at least one 3-amino pyrazolo- [1,5-a] - pyridine of the following formula (I) and / or one of its addition salts with an acid or with a base:
• R 1 s R 2 , R 3 , R and R 5 represent a hydrogen or halogen atom; a radical -NHS0 3 H; a hydroxyl radical; an alkyl radical; an alkoxy radical; an alkylthio radical; an amino radical; a monoalkylamino radical; a dialkylamino radical in which the two alkyl groups can, together with the nitrogen atom to which they are bonded, form a ring can be interrupted by one or more nitrogen, oxygen or sulfur atoms; a heterocycle; a nitro radical; an aryl radical; a C1-C4 acyl radical; an alkoxy (CrC) carbonyl radical; a carboxamido radical; a cyano radical; a radical - CO 2 H, a radical -SO 3 H; a radical -PO 3 H 2 ; a radical -P0 4 H 2 ; or a group of the following formula (II):
• X and R represent, independently of each other, an oxygen atom, an NH or N (CC) alkyl group, and Y represents a hydroxyl, amino, alkyl, alkoxy, alkylamino, or dialkylamino radical, and
• R7 and R10 identical or different, represent a hydrogen atom; an alkyl radical
• R8 and R9 identical or different, represent a hydrogen atom, an alkyl radical, an alkoxy radical, an amino radical, a nitrile radical, an alkylamino radical, a dialkylamino radical, a carboxyl radical, an alkoxycarbonyl radical, a radical amido, an amidoalkyl radical, a halogen atom, an alkylthio radical, it being understood that at most one of the groups R8 and R9 denotes an amino, alkylamino or dialkylamino radical.
• alkyl used for the alkyl radicals as well as for the groups comprising an alkyl part means, unless otherwise indicated, a carbon chain, linear or branched, comprising from 1 to 30 carbon atoms which can be interrupted by one or more oxygen, sulfur or nitrogen atoms, and which can be substituted by one or more groups chosen from halogen atoms such as chlorine, bromine, iodine and fluorine; heterocycles; the radicals aryl, hydroxyl, alkoxyl, amino, acyl, carboxamido, -CO 2 H, -SO 3 H, -PO 3 H 2 , -PO 4 H 2 , -NHS0 3 H, sulfonamide, monoalkylamino, trialkylammonium, or even by a dialkylamino radical in which the two alkyl groups can form, together with the nitrogen atom of said dialkyl (C
• alkoxy used for the alkoxy radicals as well as for the groups comprising an alkoxy part means, unless otherwise indicated, an O-alkyl chain, the term alkyl having the meaning indicated above.
• heterocycle means an aromatic or non-aromatic cycle containing 5, 6 or 7 vertices, and from 1 to 3 heteroatoms chosen from nitrogen, sulfur and oxygen atoms .
• These heterocycles can be condensed on other heterocycles or on a phenyl group. They can be substituted by a halogen atom; an alkyl radical; an alkoxy radical; a hydroxyl radical; an amino radical; an alkylamino radical; dialkylamino in which the two alkyl groups can, together with the nitrogen atom to which they are linked, form a ring which can be interrupted by one or more nitrogen, oxygen or sulfur atoms.
• These heterocycles can, moreover, be quaternized by an alkyl radical.
• alkyl and alkoxy have the meanings indicated above.
• heterocycles mention may in particular be made, by way of example, of the cycles: thiadiazole, triazole, isoxazole, oxazole, azaphosphole, thiazole, isothiazole, imidazole, pyrazole, triazine, thiazine, pyrazine, pyridazine, pyrimidine, pyridine, diazepine, oxazepine, benzotriazole, benzoxazole, benzimidazole, benzothiazole, morpholine, piperidine, piperazine, azetidine, pyrrolidine, aziridine, 3- (2- hydroxyethyl) benzothiazol-3-ium, and 1- (2-hydroxyethyl) -pyridinium.
• aryl is intended to mean an aryl radical which may be substituted by one or more alkyl, alkoxy, acyl, cyano, carboxamido, -C0 2 H, -SO 3 H, -P0 radicals 3 H 2 , -PO H 2 , hydroxyl, amino, monoalkyl (CC 4 ) amino, or dialkyl (CC 4 ) amino in which the two alkyl groups can form, together with the nitrogen atom of said dialkyl group (CC) amino to which they are linked, a cycle which can be interrupted by one or more nitrogen, oxygen or sulfur atoms.
• the aryl group is a phenyl group which can be substituted as indicated above. Mention may in particular be made, among the groups of formula (II) above, of the acetamide, dimethylurea, O-methylcarbamate, methylcarbonate, N-dimethylcarbamate and esters groups.
• composition according to the invention preferably comprises the 3-amino pyrazolo- [1, 5-a] -pyridines corresponding to the following formula (la), as well as their addition salts with an acid or with a base:
• Ri. 2 , R 3 identical or different, represent a hydrogen or halogen atom; a radical -NHSO 3 H; a hydroxyl radical; an alkyl radical; an alkoxy radical; an alkylthio radical; an amino radical; a monoalkylamino radical; a dialkylamino radical in which the two alkyl groups can form together with the nitrogen atom to which they are linked, a cycle which can be interrupted by one or more nitrogen, oxygen or sulfur atoms; a heterocycle; an acyl radical; an alkoxycarbonyl radical; a carboxamido radical; or a group of the following formula (II)
• X and R represent, independently of one another, an oxygen atom, an NH or N (CrC 4 ) alkyl group, and Y represents a hydroxyl, amino, alkyl, alkoxy, alkylamino or dialkylamino radical .
• 3-amino-pyrazolo [1,5-a] pyridine-7-ol as well as their addition salts with an acid or with a base.
• the 3-amino pyrazolo- [1,5-a] -pyridines of formula (I) are known compounds, in particular in the pharmaceutical field, and are described in particular in US patent 5,457,200. These compounds can be prepared according to synthesis methods well known in the literature and as described for example in US patent 5,457,200.
• the 3-amino pyrazolo- [1, 5-a] -pyridines or formula (I) above and / or the addition salt (s) with an acid or a base preferably represent from 0.0001 to 10 % by weight approximately of the total weight of the dye composition, and even more preferably from 0.005 to 6% by weight approximately of this weight.
• the pyridine coupler can be chosen from the following compounds
• Couplers of formulas (III), (IV) or (V) are known in the art and can be prepared according to conventional syntheses.
• these couplers of formula (III), (IV) or (V) are chosen from 2,6-dimethoxy-3,5-diaminopyridine; 6-methoxy-N2-methyl-2,3-diaminopyridine; 6-methoxy-2,3-diaminopyridine; 2,6-diamino-pyridine.
• the pyridine coupler (s) are preferably present in the composition in an amount between 0.0001 to 10% by weight approximately of the total weight
• the medium suitable for dyeing also called dye support, generally consists of water or a mixture of water and at least one organic solvent to dissolve the compounds which are not sufficiently soluble. in water.
• organic solvent mention may, for example, be made of lower C1-C4 alkanols, such as ethanol and isopropanol, polyols and polyol ethers such as 2-butoxyethanol, propylene glycol, propylene glycol monomethyl ether, monoethyl ether and monomethyl ether of diethylene glycol, as well as aromatic alcohols such as benzyl alcohol or phenoxyethanol, analogues and their mixtures.
• the solvents may be present in proportions preferably of between 1 and 40% by weight approximately relative to the total weight of the dye composition, and even more preferably between 5 and 30% by weight approximately.
• the pH of the dye composition according to the invention is generally between 3 and 12 approximately, and preferably between 5 and 11 approximately. It can be adjusted to the desired value by means of acidifying or basifying agents usually used in dyeing keratinous fibers or even using conventional buffer systems.
• the acidifying agents there may be mentioned, by way of example, mineral or organic acids such as hydrochloric acid, orthophosphoric acid, sulfuric acid, carboxylic acids such as acetic acid, tartaric acid, citric acid, lactic acid, sulfonic acids.
• the basifying agents there may be mentioned, by way of example, ammonia, alkali carbonates, alkanolamines such as mono-, di- and triethanolamines as well as their derivatives, sodium or potassium hydroxides and compounds of formula (III) below:
• W is a propylene residue optionally substituted by a hydroxyl group or a CC alkyl radical
• R 6 , R, R 3 and R 9 identical or different, represent a hydrogen atom, an alkyl radical in CC 4 or hydroxyalkyl in C- ⁇ -C 4 .
• composition according to the invention may contain, in addition to the pydidinic coupler of formula (III), additional couplers conventionally used for dyeing keratin fibers.
• additional couplers conventionally used for dyeing keratin fibers.
• these couplers there may be mentioned in particular metaphenylenediamines, meta-aminophenols, metadiphenols, naphthalene couplers and heterocyclic couplers.
• the additional coupler (s) preferably represent from 0.0001 to 10% by weight approximately of the total weight of the dye composition and even more preferably from 0.005 to 6% by weight approximately of this weight.
• the dye composition according to the invention can also contain at least one additional oxidation base, and which can be chosen from the oxidation bases conventionally used in oxidation dyeing and among which mention may be made of paraphenylenediamines, bis -phenylalkylenediamines, para-aminophenols, ortho-aminophenols and heterocyclic bases other than the 3-amino pyrazolo- [1, 5-a] -pyridines of formula (I) used in accordance with the invention.
• the oxidation bases conventionally used in oxidation dyeing and among which mention may be made of paraphenylenediamines, bis -phenylalkylenediamines, para-aminophenols, ortho-aminophenols and heterocyclic bases other than the 3-amino pyrazolo- [1, 5-a] -pyridines of formula (I) used in accordance with the invention.
• paraphenylenediamines mention may more particularly be made, for example, of paraphenylenediamine, paratoluylenediamine, 2-chloro paraphenylenediamine, 2,3-dimethyl paraphenylenediamine, 2,6-dimethyl paraphenylenediamine, 2,6-diethyl paraphenylenediamine , 2,5-dimethyl paraphenylenediamine, N, N-dimethyl paraphenylenediamine, N, N-diethyl paraphenylenediamine, N, N-dipropyl paraphenylenediamine, 4-amino N, N-diethyl 3-methyl aniline, N, N-bis- ( ⁇ -hydroxyethyl) paraphenylenediamine, 4-N, N-bis- ( ⁇ - hydroxyethyl) amino 2-methyl aniline, 4-N, N-bis- ( ⁇ -hydroxyethyl) amino 2-chloro aniline , 2- ⁇ -hydroxyethyl
• para-phenylenediamines very particularly preferred are paraphenylenediamine, paratoluylenediamine, 2-isopropyl paraphenylenediamine, 2- ⁇ -hydroxyethyl paraphenylenediamine, 2- ⁇ -hydroxyethyloxy paraphenylenediamine, 2,6-dimethyl , 6-diethyl paraphenylenediamine, 2,3-dimethyl paraphenylenediamine, N, N-bis- ( ⁇ -hydroxyethyl) paraphenylenediamine, 2-chloro paraphenylenediamine, 2- ⁇ -acetylaminoethyloxy paraphenylenediamine, and their addition salts with a acid.
• para-aminophenol mention may more particularly be made, for example, of para-aminophenol, 4-amino 3-methyl phenol, 4-amino 3-fluoro phenol, 4-amino 3-hydroxymethyl phenol, 4-amino 2-methyl phenol, 4-amino 2-hydroxymethyl phenol, 4-amino 2-methoxymethyl phenol, 4-amino 2-aminomethyl phenol, 4-amino 2- ( ⁇ -hydroxyethyl aminomethyl) phenol, 4-amino 2-fluoro phenol, and their addition salts with an acid.
• para-aminophenol 4-amino 3-methyl phenol, 4-amino 3-fluoro phenol, 4-amino 3-hydroxymethyl phenol, 4-amino 2-methyl phenol, 4-amino 2-hydroxymethyl phenol, 4-amino 2-methoxymethyl phenol, 4-amino 2-aminomethyl phenol, 4-amino 2- ( ⁇ -hydroxyethyl aminomethyl) phenol, 4-amino 2-fluoro phenol, and their addition salts with an
• ortho-aminophenols there may be mentioned more particularly by way of example, 2-amino phenol, 2-amino 5-methyl phenol, 2-amino 6-methyl phenol, 5-acetamido 2-amino phenol, and their addition salts with an acid.
• pyridine derivatives other than the compounds of formula (I) in accordance with the invention Mention may more particularly be made, among heterocyclic bases, by way of example, of pyridine derivatives other than the compounds of formula (I) in accordance with the invention, pyrimidine derivatives and pyrazole derivatives.
• pyridine derivatives other than the compounds of formula (I) in accordance with the invention mention may be made more particularly of the compounds described for example in 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- ( ⁇ -methoxyethyl) amino 3-amino 6-methoxy pyridine, 3,4-diamino pyridine, and their addition salts with an acid.
• pyrimidine derivatives mention may be made more particularly of the compounds described, for example, in patents DE 2,359,399; JP 88-169,571; JP 05 163 124; EP 0 770 375 or patent application WO 96/15765 such as 2,4,5,6-tetra-aminopyrimidine, 4-hydroxy 2,5,6-triaminopyrimidine, 2-hydroxy 4,5,6-triaminopyrimidine, 2,4-dihydroxy 5,6-diaminopyrimidine, 2,5,6-triaminopyrimidine, and pyrazolo-pyrimidine derivatives such as those mentioned in patent application FR-A-2 750 048 and among which may be mentioned pyrazolo - [1,5-a] -pyrimidine-3,7-diamine; 2,5-dimethyl pyrazolo- [1,5-a] -pyrimidine-3,7-diamine; pyrazolo- [1,5-a] - pyrimidine,
• pyrazole derivatives mention may more particularly be made of the compounds described in patents DE 3 843 892, DE 4 133 957 and patent applications WO 94/08969, WO 94/08970, FR-A-2 733 749 and DE 195 43 988 such as 4,5-diamino 1-methyl pyrazole, 4,5-diamino 1 - ( ⁇ -hydroxyethyl) pyrazole, 3,4-diamino pyrazole, 4,5-diamino 1- (4'-chlorobenzyl) pyrazole, 4,5-diamino 1, 3-dimethyl pyrazole, 4,5-diamino 3-methyl 1-phenyl pyrazole, 4,5-diamino 1-methyl 3-phenyl pyrazole, 4-amino 1, 3 -dimethyl 5-hydrazino pyrazole, 1-benzyl 4,5-diamino 3-methyl pyrazole, 4,5-diamin
• the additional oxidation base (s) preferably represent from 0.0001 to 10% by weight approximately of the total weight of the dye composition, and even more preferably from 0.005 to 6% by weight approximately of this weight .
• the addition salts with an acid which can be used in the context of the dye compositions of the invention are in particular chosen from hydrochlorides, hydrobromides, sulphates, citrates, succinates, tartrates, lactates, phosphates and acetates.
• the addition salts with a base which can be used in the context of the dye compositions of the invention are in particular those obtained with soda, potash, ammonia or amines.
• the dye composition in accordance with the invention may also contain one or more direct dyes which can in particular be chosen from nitro dyes of the benzene series, cationic direct dyes, in particular azo or methine dyes.
• the dye composition in accordance with the invention may also contain various adjuvants conventionally used in compositions for dyeing the hair, such as anionic, cationic, nonionic, amphoteric, zwitterionic surfactants or mixtures thereof, anionic polymers, cationic, non-ionic, amphoteric, zwitterionic or mixtures thereof, mineral or organic thickening agents, and in particular associative anionic, cationic, nonionic and amphoteric polymeric thickeners, antioxidant agents, penetration agents, sequestering agents, perfumes, buffers, dispersing agents, conditioning agents such as for example volatile or non-volatile silicones, modified or unmodified, film-forming agents, ceramides, preserving agents, opacifying agents.
• adjuvants conventionally used in compositions for dyeing the hair, such as anionic, cationic, nonionic, amphoteric, zwitterionic surfactants or mixtures thereof, anionic polymers, cationic, non-ionic, ampho
• These compounds can be present in an amount of between 0.01 and 20% by weight of the total weight of the composition.
• the dye composition according to the invention can be in various forms, such as in the form of liquids, creams, gels or in any other form suitable for dyeing keratin fibers, and in particular human hair.
• the subject of the invention is also a process for dyeing keratin fibers and in particular human keratin fibers such as the hair using the dye composition as defined above.
• At least one dye composition as defined above is applied to the fibers, the color being revealed using an oxidizing agent.
• the color can be revealed at acidic, neutral or alkaline pH and the oxidizing agent can be added just at the time of use to the dye composition or in an oxidizing composition applied simultaneously or sequentially.
• the dye composition described above is preferably mixed with a composition containing, in a medium suitable for dyeing, at the time of use. minus an oxidizing agent present in an amount sufficient to develop coloring.
• the mixture obtained is then applied to the keratin fibers. After an exposure time of 3 to 50 minutes approximately, preferably 5 to 30 minutes approximately, the keratin fibers are rinsed, washed with shampoo, rinsed again and then dried.
• the oxidizing agent can be chosen from the oxidizing agents conventionally used for the oxidation dyeing of keratin fibers, and among which mention may be made of hydrogen peroxide, urea peroxide, alkali metal bramates, persalts such as as perborates and persulfates, peracids and enzymes among which mention may be made of peroxidases, 2-electron oxidoreductases such as uricases and 4-electron oxygenases such as laccases. Hydrogen peroxide is particularly preferred.
• the pH of the oxidizing composition containing the oxidizing agent is such that after mixing with the dye composition, the pH of the resulting composition applied to the keratin fibers preferably varies between 3 and 12 approximately, and even more preferably between 5 and 11 It can be adjusted to the desired value at means of acidifying or basifying agents usually used in dyeing keratin fibers and as defined above.
• the oxidizing composition as defined above may also contain various adjuvants conventionally used in compositions for dyeing the hair and as defined above.
• composition which is finally applied to the keratin fibers can be in various forms, such as in the form of liquids, creams, gels, or in any other form suitable for dyeing keratin fibers, and in particular human hair.
• Another object of the invention is a device with several compartments or
• Dye "kit” in which a first compartment contains the dye composition defined above and a second compartment contains the oxidizing composition.
• This device can be equipped with a means enabling the desired mixture to be delivered to the hair, such as the devices described in patent FR-2,586,913 in the name of the applicant.
• the subject of the invention is finally the colored product capable of being obtained by reaction of the base of formula (I) as defined above and the forum coupler (III) as defined above.
• This colored product can be used in cosmetic products, for example make-up.
• the following examples are intended to illustrate the invention.
• this weight-for-weight composition is mixed with hydrogen peroxide titrating 20 volumes (6% by weight), of pH 3. This mixture is applied to locks of natural gray hair containing 90% white hairs. . After 30 min. laying, the locks are rinsed, washed with shampoo, rinsed again and dried. The hair is dyed in the shades described below.
• this weight-for-weight composition is mixed with hydrogen peroxide titrating 20 volumes (6% by weight), of pH 3.
• the pH of the mixture is 7.
• This mixture is applied to gray hair 90% natural whites. After 30 min. laying, the locks are rinsed, washed with shampoo, rinsed again and dried. The hair is dyed in the shades described below.
• 6-methoxy-2,3-diaminopyridine 0.636 g hydroxyethyl cellulose (MW: 1,300,000) 1.5 g carboxymethyl chitosan 2 g polyglycerol monooleate 1 g
• This mixture is applied to natural gray hair with 90% white. After 30 min. laying, the locks are rinsed, washed with shampoo, rinsed again and dried. The hair is dyed with a matt ash reflection.

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