Hair coloring compositions for use in oxidative hair dyeing

1. A hair dyeing composition comprising:

a) at least one coupler selected from the group consisting of compounds according to the following formula (1), formula (1-B), and formula (1-C):

formula (1)

wherein R is a moiety selected from the following formulae (2), (3) or (4):

wherein R 1 , R 2 , R 3 , R 4 and R 5 are each independently selected from the group consisting of hydrogen, halo, hydroxyl, amino, C 1 -C 4 alkyl or haloalkyl, C 1 -C 4 alkoxy or haloalkoxy, and nitrile;

formula (1-B)

wherein R 1 is an aryl ring selected from the group consisting of phenyl and a 5- or 6-membered heteroaryl having one or more heteroatom selected from O, S, or N, wherein said aryl ring is unsubstituted or substituted with one or more substituents selected from the group consisting of hydrogen, halo, hydroxyl, amino, C 1 -C 4 alkyl or haloalkyl, C 1 -C 4 alkoxy or haloalkoxy, and nitrile;

wherein R and R 2 are each independently selected from the group consisting of hydrogen, C 1 -C 5 alkyl, C 1 -C 5 monohydroxyalkyl, and C 2 -C 5 dihydroxyalkyl; and

wherein Z is selected from the group consisting of C 1 -C 5 alkyl, C 1 -C 5 monohydroxyalkyl, C 2 -C 5 dihydroxyalkyl, C 1 -C 5 aminoalkyl, and C 1 -C 5 methoxyalkyl; and

formula (1-C)

wherein R 1 is an aryl ring selected from the group consisting of phenyl and a 5- or 6-membered heteroaryl having one or more heteroatom selected from O, S, or N, wherein said aryl ring is unsubstituted or substituted with one or more substituents selected from the group consisting of hydrogen, halo, hydroxyl, amino, C 1 -C 4 alkyl or haloalkyl, C 1 -C 4 alkoxy or haloalkoxy, and nitrile;

wherein R and R 2 are each independently selected from the group consisting of hydrogen, C 1 -C 5 alkyl, C 1 -C 5 monohydroxyalkyl, and C 2 -C 5 dihydroxyalkyl; and

wherein any one of A, B, X, and Y is nitrogen and the remaining of A, B, X, and Y are each carbon;

b) at least one primary intermediate of the formula (5):

wherein R 6 and R 7 are independently selected from the group consisting of hydrogen, C 1 -C 4 alkyl, C 2 -C 4 hydroxyalkyl, benzyl, and phenyl; and

wherein R 8 is selected from the group consisting of hydrogen, C 1 -C 4 alkyl, and C 2 -C 4 hydroxyalkyl;

or physiologically tolerated, water-soluble salts thereof; and

c) a suitable carrier.

2. A hair dyeing composition according to claim 1 , wherein said coupler is a compound according to formula (1) and is selected from the group consisting of N-phenyl-benzene-1,3-diamine, N-(4-amino-phenyl)-benzene-1,3-diamine, 4-methoxyphenyl-(3-amino-phenyl)-amine, and 3-methoxyphenyl-(3-amino-phenyl)-amine, and wherein said primary intermediate is 2-(4,5-diamino-pyrazol-1-yl)-ethanol.

3. A hair dyeing composition according to claim 1 , wherein said coupler is selected from the group consisting of compounds according to formula (1-B) and compounds according to formula (1-C).

4. A hair dyeing composition according to claim 3 , wherein said coupler is a compound according to formula (1-B) and is selected from the group consisting of N2-(3-amino-2-methyl-phenyl)-pyridine-2,5-diamine, N-(4-amino-phenyl)-2-methyl-benzene-1,3-diamine, N-(4-amino-phenyl)-N′-ethyl-2-methyl-benzene-1,3-diamine, 2-[2-amino-6-(4-amino-phenylamino)-phenyl]-ethanol, 2-[[4-(3-amino-2-methyl-phenylamino)-phenyl]-(2-hydroxy-ethyl)-amino]-ethanol, 2-methyl-N-(4-pyrrolidin-1-yl-phenyl)-benzene-1,3-diamine, 2-Aminomethyl-N-(4-amino-phenyl)-benzene-1,3-diamine, [2-amino-6-(4-amino-phenylamino)-phenyl]-methanol, N-(4-amino-phenyl)-2-methoxymethyl-benzene-1,3-diamine, N1-[3-amino-2-(aminomethyl)phenyl]benzene-1,4-diamine, N1-[3-amino-2-(cyanomethyl)phenyl]benzene-1,4-diamine, N1-(3-amino-2-vinylphenyl)benzene-1,4-diamine, N1-[3-amino-2-(hydroxymethyl)phenyl]benzene-1,4-diamine, 2-[N-(3-aminophenyl)-N-(4-aminophenyl)amino]ethanol, N1-[3-amino-2-(1-hydroxyethyl)phenyl]benzene-1,4-diamine, N1,N1-bis(2-hydroxyethyl)-N-4-(3′-aminophenyl)-1,4-diaminobenzene, N1-{3-amino-2-[(E)-prop-1-enyl]phenyl}benzene-1,4-diamine, 1-(4-aminophenyl)-1,2,3,4-tetrahydroquinolin-5-amine, 1-(4-aminophenyl)indolin-4-amine, N1-(1,2-dihydroquinolin-5-yl)benzene-1,4-diamine, and N1-(indolin-4-yl)benzene-1,4-diamine, and wherein said primary intermediate is 2-(4,5-diamino-pyrazol-1-yl)-ethanol.

5. A hair dyeing composition according to claim 3 , wherein said coupler is a compound according to formula (1-C) and is selected from the group consisting of N-(4-amino-phenyl)-pyridine-2,6-diamine, N-(5-amino-pyridin-2-yl)pyridine-2,6-diamine, N-(5-aminopyridin-2-yl)benzene-1,3-diamine, N-(4-pyrrolidin-1-yl-phenyl)-pyridine-2,6-diamine, N-(4-amino-phenyl)-N′-methyl-pyridine-2,6-diamine, 2-[4-(6-methylamino-pyridin-2-ylamino)-phenylamino]-ethanol, 2-[6-(4-amino-phenylamino)-pyridin-2-ylamino]-ethanol, N-(4-amino-phenyl)-N-methyl-pyridine-2,6-diamine, N-(1H-pyrrol-2-yl)-pyridine-2,6-diamine, N-(6-amino-pyridin-2-yl)-pyrimidine-2,4,5,6-tetraamine, N-(5-amino-[1,3,4]thiadiazol-2-yl)-pyridine-2,6-diamine, N3-(4-aminophenyl)pyridine-3,5-diamine, N3-(4-aminophenyl)-N-5-(2-hydroxyethyl)pyridine-3,5-diamine, N3-(thiazol-2-yl)pyridine-3,5-diamine, N2-(4-aminophenyl)pyridine-2,4-diamine, N2-(4-aminophenyl)-5-chloropyridine-2,6-diamine, N2-(4-aminophenyl)-5-methoxypyridine-2,6-diamine, N3-(4-aminophenyl)-N-3-methylpyridine-3,5-diamine, N3-(5-aminopyridin-2-yl)pyridine-3,5-diamine, N3-(4,5,6-triaminopyrimidin-2-yl)pyridine-3,5-diamine, N2-(4-aminophenyl)-N-2-methylpyridine-2,4-diamine, N4-(4-aminophenyl)-N-4-methylpyridine-2,4-diamine, N2-(4-aminophenyl)-3-chloropyridine-2,6-diamine, and N2-(4-aminophenyl)-3-methoxypyridine-2,6-diamine, and wherein said primary intermediate is 2-(4,5-diamino-pyrazol-1-yl)-ethanol.

6. A hair dyeing composition according to claim 1 , further comprising one or more additional components selected from the group consisting of auxiliary couplers, auxiliary primary intermediates, direct dyes, oxidizing agents, thickeners, pH modifying agents, conditioning materials, and carbonate ion source and radical scavenger systems.

7. A method of dyeing hair, said method comprising the steps of:

a) applying to the hair a hair dyeing composition according to claim 1 ; and

b) rinsing the hair with water.

8. A hair dyeing product in kit form comprising:

a) a first separate container of a hair dyeing composition according to claim 1 ; and

b) a second separate container of an oxidizing agent composition.