Hair dye containing aminopyrazole derivatives as well as pyrazole derivatives

Claim 2

Pyrazole derivative of the formula (II) ##STR4## wherein R 1 is selected from the group consisting of hydrogen and alkyl groups having one to four carbon atoms; and wherein n=2 and X=is an amino group or n=3 and X is selected from the group consisting of nitro and amine groups.

Claim 3

Pyrazole derivative as defined in claim 1, consisting of 7-amino-2,3-dihydro-1H-imidazo]1,2-b]pyrazole.

Claim 4

Pyrazole derivative as defined in claim 1, consisting of 3-nitro-4,5,6,7-tetrahydropyrazolo-[1,5-a]pyrimidine.

Claim 5

Pyrazole derivative as defined in claim 1, consisting of 3-amino-4,5,6,7-tetrahydro-pyrazolo-[1,5-a]pyrimidine.

Claim 6

Pyrazole derivative as defined in claim 1, consisting of 3-nitro-6-methyl-4,5,6,7-tetrahydropyrazolo-[1,5-a]pyrimidine.

Claim 7

Pyrazole derivative as defined in claim 1, consisting of 3-amino-6-methyl-4,5,6,7-tetrahydro-pyrazolo-[1,5-a]pyrimidine.

Claim 8

Composition for oxidative dyeing of hair containing at least one coupler and 0.01 to 3.0 percent by weight of at least one developer, wherein said at least one developer is selected from the group consisting of aminopyrazole derivatives of the formula (I): ##STR5## wherein R is selected from the group consisting of hydrogen and alkyl groups having one to four carbon atoms; n=2 or 3; and physiologically tolerated, water-soluble salts thereof; wherein said at least one coupler is selected from the group consisting of resorcinol, 4-chlororesorcinol, 4,6-dichlororesorcinol, 2-methylresorcinol, 2-amino-4-(2'-hydroxyethyl)aminoanisole, 2,4-diaminobenzyl alcohol, 2,4-diaminophenylethyl alcohol, m-phenylenediamine, 2,4-diamino-5-(2'-hydroxyethoxy)toluene, 5-amino-2-methylphenol, 5-amino-4-fluoro-2-methylphenol, 5-amino-2-ethyl-4-fluorophenol, 5-amino-4-methoxy-2-methylphenol, 2,4-diaminophenoxyethanol, 4-amino-2-hydroxy-phenoxyethanol, 1-napthol, 3-aminophenol, 3-amino-2-methylphenol, 4-hydroxy-1,2-methylenedioxybenzene, 4-amino-1,2-methylenedioxybenzene, 4-(2'-hydroxyethyl)amino-1,2-methylenedioxybenzene, 2,4-diaminophenetole, 2,4-diamino-5-methylphenetole, 4-hydroxyindole, 3-amino-5-hydroxy-2,6-dimethoxypyridine and 3,5-diamino-2,6-dimethoxypyridine; and wherein said at least one developer and said at least one coupler are present in a total amount of from 0.1 to 5.0 percent.

Claim 9

Composition for oxidative dyeing of hair containing at least one coupler and 0.01 to 3.0 percent by weight of at least one developer, wherein said at least one developer is selected from the group consisting of aminopyrazole derivatives of the formula (I): ##STR5## wherein R is selected from the group consisting of hydrogen and alkyl groups having one to four carbon atoms; n=2 or 3; and physiologically tolerated, water-soluble salts thereof; wherein said at least one coupler is selected from the group consisting of resorcinol, 4-chlororesorcinol, 4,6-dichlororesorcinol, 2-methylresorcinol, 2-amino-4-(2'-hydroxyethyl)aminoanisole, 2,4-diaminobenzyl alcohol, 2,4-diaminophenylethyl alcohol, m-phenylenediamine, 2,4-diamino-5-(2'-hydroxyethoxy)toluene, 5-amino-2-methylphenol, 5-amino-4-fluoro-2-methylphenol, 5-amino-2-ethyl-4-fluorophenol, 5-amino-4-methoxy-2-methylphenol, 2,4-diaminophenoxyethanol, 4-amino-2-hydroxy-phenoxyethanol, 1-napthol, 3-aminophenol, 3-amino-2-methylphenol, 4-hydroxy-1,2-methylenedioxybenzene, 4-amino-1,2-methylenedioxybenzene, 4-(2'-hydroxyethyl)amino-1,2-methylenedioxybenzene, 2,4-diaminophenetole, 2,4-diamino-5-methylphenetole, 4-hydroxyindole, 3-amino-5-hydroxy-2,6-dimethoxypyridine and 3,5-diamino-2,6-dimethoxypyridine; and wherein said at least one developer and said at least one coupler are present in a total amount of from 0.1 to 5.0 percent.

Claim 10

Composition as defined in claim 7, wherein said aminopyrazole derivative is selected from the group consisting of 3-amino-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine, 7-amino-2,3-dihydro-1H-imidazo[1,2-b]pyrazole and 3-amino-6-methyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine.

Claim 11

Composition as defined in claim 7, wherein said at least one developer and said at least one coupler are present in a total amount of 0.5 to 4.0 percent.

Claim 12

Composition as defined in claim 7, further comprising another dye component selected from the group consisting of 6-amino-2-methylphenol, 2-amino-5-methylphenol, 4-[(4'-aminophenyl)-(4"-imino-2",5"-cyclohexadinene-1"-ylidene)-methyl-2-methyl-aminobenzene monohydrocholoride; 4-(4'-amino-3'-methylphenyl)-(4"-imino-3"methyl-2",5"-cyclohexadiene-1"-ylidene-methyl[-2-methyl-aminobenzenemonohydrochloride, 2-nitro-1,4-diaminobenzene, 2-amino-4-nitrophenol, 2-amino-5-nitrophenol, 2-amino-4,6-dinitrophenol, 2-amino-5-(2'-hydroxyethyl)aminonitrobenzene, 2-methylamino-5-bis(2'-hydroxyethyl)aminonitrobenzene, sodium salt of 7-[4"-amino-phenylazo]-8-hydroxy-naphthaline-4-sulfonic acid, 1,4-diaminoanthraquinone and 1,4,5,8-tetraamino-anthraquinone.

Claim 13

Pyrazole derivative of the formula (II) ##STR6## where R 1 selected from the group consisting of hydrogen and alkyl groups having one to four carbon atoms.

Claim 14

Pyrazole derivative of the formula (II) ##STR6## where R 1 selected from the group consisting of hydrogen and alkyl groups having one to four carbon atoms.

Claim 15

Composition for oxidative dyeing of hair containing at least one coupler and 0.01 to 3.0 percent by weight of at least one developer, wherein said at least one developer is selected from the group consisting of aminopyrazole derivatives of the formula (I): ##STR7## wherein R is selected from the group consisting of hydrogen and alkyl groups having one to four carbon atoms; and physiologically tolerated, water-soluble salts thereof; wherein said at least one coupler is selected from the group consisting of resorcinol, 4-chlororesorcinol, 4,6-dichlororesorcinol, 2-methylresorcinol, 2-amino-4-(2'-hydroxyethyl)aminoanisole, 2,4-diaminobenzyl alcohol, 2,4-diaminophenylethyl alcohol, m-phenylenediamine, 2,4-diamino-5-(2'-hydroxyethoxy)toluene, 5-amino-2-methylphenol, 5-amino-4-fluoro-2-methylphenol, 5-amino-2-ethyl-4-fluorophenol, 5-amino-4-methoxy-2-methylphenol, 2,4-diaminophenoxyethanol, 4-amino-2-hydroxy-phenoxyethanol, 1-napthol, 3-aminophenol, 3-amino-2-methylphenol, 4-hydroxy-1,2-methylenedioxybenzene, 4-amino-1,2-methylenedioxybenzene, 4-(2'-hydroxyethyl)amino-1,2-methylenedioxybenzene, 2,4-diaminophenetole, 2,4-diamino-5-methylphenetole, 4-hydroxyindole, 3-amino-5-hydroxy-2,6-dimethoxypyridine and 3,5-diamino-2,6-dimethoxypyridine; and wherein said at least one developer and said at least one coupler are present in a total amount of from 0.1 to 5.0 percent.

Claim 16

Composition for oxidative dyeing of hair containing at least one coupler and 0.01 to 3.0 percent by weight of at least one developer, wherein said at least one developer is selected from the group consisting of aminopyrazole derivatives of the formula (I): ##STR7## wherein R is selected from the group consisting of hydrogen and alkyl groups having one to four carbon atoms; and physiologically tolerated, water-soluble salts thereof; wherein said at least one coupler is selected from the group consisting of resorcinol, 4-chlororesorcinol, 4,6-dichlororesorcinol, 2-methylresorcinol, 2-amino-4-(2'-hydroxyethyl)aminoanisole, 2,4-diaminobenzyl alcohol, 2,4-diaminophenylethyl alcohol, m-phenylenediamine, 2,4-diamino-5-(2'-hydroxyethoxy)toluene, 5-amino-2-methylphenol, 5-amino-4-fluoro-2-methylphenol, 5-amino-2-ethyl-4-fluorophenol, 5-amino-4-methoxy-2-methylphenol, 2,4-diaminophenoxyethanol, 4-amino-2-hydroxy-phenoxyethanol, 1-napthol, 3-aminophenol, 3-amino-2-methylphenol, 4-hydroxy-1,2-methylenedioxybenzene, 4-amino-1,2-methylenedioxybenzene, 4-(2'-hydroxyethyl)amino-1,2-methylenedioxybenzene, 2,4-diaminophenetole, 2,4-diamino-5-methylphenetole, 4-hydroxyindole, 3-amino-5-hydroxy-2,6-dimethoxypyridine and 3,5-diamino-2,6-dimethoxypyridine; and wherein said at least one developer and said at least one coupler are present in a total amount of from 0.1 to 5.0 percent.

Claim 17

Composition as defined in claim 12 wherein said physiological tolerated water-soluble salts are selected from the group consisting of hydrochloric acid salts of said aminopyrazole derivatives and sulfuric acid salts of said aminopyrazole derivatives.