Coloring agent compositions and methods of treating keratin fibers therewith

1. A composition comprising:

(i) at least one component A comprising a compound selected from the group consisting of imidazo[1,5-a]pyrimidinium derivatives of general formula I, enamine counterparts of imidazo[1,5-a]pyrimidinium derivatives of the general formula I, and mixtures thereof:

wherein R 1 represents a substituent selected from the group consisting of a hydrogen atom, a halogen atom, a carboxyl group, a (C 1 -C 6 ) alkoxy group, a (C 1 -C 6 ) alkyl group, a (C 2 -C 6 ) alkenyl group, an optionally substituted aryl group, an aryl (C 1 -C 6 ) alkyl group, a (C 2 -C 6 ) hydroxyalkyl group, a (C 2 -C 6 ) polyhydroxyalkyl group, and a R I R II N—CO— group, wherein R I and R II each independently represent a substituent selected from the group consisting of a hydrogen atom, a (C 1 -C 6 ) alkyl group, a (C 1 -C 6 ) alkenyl group, an aryl group, and an aryl C 1 -C 6 alkyl group, and wherein R I and R II together with the nitrogen atom in the R I R II N—CO— group can form a 5-7 membered ring;

wherein R 2 represents a substituent selected from the group consisting of a (C 1 -C 6 ) alkyl group, a (C 2 -C 6 ) alkenyl group, an optionally substituted aryl group, an aryl (C 1 -C 6 ) alkyl group, a (C 1 -C 6 ) hydroxyalkyl group, a (C 2 -C 6 ) polyhydroxyalkyl group, and a R III R IV N—(CH 2 ) n — group, wherein R III and R IV each independently represent a hydrogen atom, a (C 1 -C 6 ) alkyl group, a (C 1 -C 6 ) alkenyl group, and an aryl C 1 -C 6 alkyl group, and wherein R III and R IV together with the nitrogen atom in the R III R IV N—(CH 2 ) n — group can form a 5-7 membered ring, and wherein n represents and integer of 2 to 6;

wherein R 3 and R 5 each independently represents a substituent selected from the group consisting of a hydrogen atom, a (C 1 -C 6 ) alkyl group, a (C 2 -C 6 ) alkenyl group, an aryl group, an aryl (C 1 -C 6 ) alkyl group, a (C 2 -C 6 ) hydroxyalkyl group, and a (C 2 -C 6 ) polyhydroxyalkyl group, with the proviso that at least one of R 3 and R 5 represents a methyl group;

wherein R 4 represents a substituent selected from the group consisting of a hydrogen atom, a (C 1 -C 6 ) alkyl group, a (C 2 -C 6 ) alkenyl group, a (C 1 -C 6 ) hydroxyalkyl group, a (C 2 -C 6 ) polyhydroxyalkyl group, and an optionally substituted aryl group; and

wherein X − represents a physiologically compatible anion; and

(ii) at least one component B comprising a reactive carbonyl compound.

2. The composition according to claim 1 , wherein R I represents a R I R II N—CO— group, wherein R I and R II each independently represents a substituent selected from the group consisting of a hydrogen atom and a (C 1 -C 6 ) alkyl group.

3. The composition according to claim 1 , wherein the at least one component A comprises a salt of X − and a cation selected from the group consisting of 1,2,4-trimethyl-8-[(methylamino)carbonyl]imidazo[1,5-a]pyrimidinium, 1,2,3,4-tetramethyl-8-[(methylamino)carbonyl]imidazo[1,5-a]pyrimidinium, 3-ethyl-1,2,4-trimethyl-8-[(methylamino)carbonyl]imidazo[1,5-a]pyrimidinium, counterpart enamines forms thereof, and mixtures thereof.

4. The composition according to claim 1 , wherein the at least one component B comprises a compound of the general formula (Ca-1):

wherein R 1 , R 2 and R 3 each independently represent a substituent selected from the group consisting of a hydrogen atom, a halogen atom, a C 1 -C 6 alkyl group, a hydroxyl group, a C 1 -C 6 alkoxy group, a C 1 -C 6 dialkylamino group, a di(C 2 -C 6 hydroxyalkyl)amino group, a di(C 1 -C 6 alkoxy C 1 -C 6 alkyl)amino group, a C 1 -C 6 hydroxyalkyloxy group, a sulfonyl group, a carboxyl group, a sulfonic acid group, a sulfonamido group, a sulfonamide group, a carbamoyl group, a C 2 -C 6 acyl group, an acetyl group, and a nitro group; wherein Z′ represents a direct bond or a vinylene group; and wherein R 4 and R 5 each represent a hydrogen atom or together form a 5- or 6-membered aromatic or aliphatic ring with the aromatic ring to which R 4 and R 5 are bound.

5. The composition according to claim 2 , wherein the at least one component B comprises a compound of the general formula (Ca-1):

wherein R 1 , R 2 and R 3 each independently represent a substituent selected from the group consisting of a hydrogen atom, a halogen atom, a C 1 -C 6 alkyl group, a hydroxyl group, a C 1 -C 6 alkoxy group, a C 1 -C 6 dialkylamino group, a di(C 2 -C 6 hydroxyalkyl)amino group, a di(C 1 -C 6 alkoxy C 1 -C 6 alkyl)amino group, a C 1 -C 6 hydroxyalkyloxy group, a sulfonyl group, a carboxyl group, a sulfonic acid group, a sulfonamido group, a sulfonamide group, a carbamoyl group, a C 2 -C 6 acyl group, an acetyl group, and a nitro group; wherein Z′ represents a direct bond or a vinylene group; and wherein R 4 and R 5 each represent a hydrogen atom or together form a 5- or 6-membered aromatic or aliphatic ring with the aromatic ring to which R 4 and R 5 are bound.

6. The composition according to claim 1 , wherein the at least one component B comprises an aldehyde selected from the group consisting of 4-hydroxy-3-methoxybenzaldehyde, 3,5-dimethoxy-4-hydroxybenzaldehyde, 4-hydroxy-1-naphthaldehyde, 4-hydroxy-2-methoxybenzaldehyde, 3,4-dihydroxy-5-methoxybenzaldehyde, 3,4,5-trihydroxybenzaldehyde, 3,5-dibromo-4-hydroxybenzaldehyde, 4-hydroxy-3-nitrobenzaldehyde, 3-bromo-4-hydroxybenzaldehyde, 4-hydroxy-3-methylbenzaldehyde, 3,5-dimethyl-4-hydroxybenzaldehyde, 5-bromo-4-hydroxy-3-methoxybenzaldehyde, 4-diethylamino-2-hydroxybenzaldehyde, 4-dimethylamino-2-methoxybenzaldehyde, coniferyl aldehyde, 2-methoxybenzaldehyde, 3-methoxybenzaldehyde, 4-methoxybenzaldehyde, 2-ethoxybenzaldehyde, 3-ethoxybenzaldehyde, 4-ethoxybenzaldehyde, 4-hydroxy-2,3-dimethoxybenzaldehyde, 4-hydroxy-2,5-dimethoxybenzaldehyde, 4-hydroxy-2,6-dimethoxybenzaldehyde, 4-hydroxy-2-methylbenzaldehyde, 4-hydroxy-2,3-dimethylbenzaldehyde, 4-hydroxy-2,5-dimethylbenzaldehyde, 4-hydroxy-2,6-dimethylbenzaldehyde, 3,5-diethoxy-4-hydroxybenzaldehyde, 2,6-diethoxy-4-hydroxybenzaldehyde, 3-hydroxy-4-methoxybenzaldehyde, 2-hydroxy-4-methoxybenzaldehyde, 2-ethoxy-4-hydroxybenzaldehyde, 3-ethoxy-4-hydroxybenzaldehyde, 4-ethoxy-2-hydroxybenzaldehyde, 4-ethoxy-3-hydroxy-benzaldehyde, 2,3-dimethoxybenzaldehyde, 2,4-dimethoxybenzaldehyde, 2,5-dimethoxybenzaldehyde, 2,6-dimethoxybenzaldehyde, 3,4-dimethoxybenzaldehyde, 3,5-dimethoxybenzaldehyde, 2,3,4-trimethoxybenzaldehyde, 2,3,5-trimethoxybenzaldehyde, 2,3,6-trimethoxybenzaldehyde, 2,4,6-trimethoxybenzaldehyde, 2,4,5-trimethoxybenzaldehyde, 2,5,6-trimethoxybenzaldehyde, 2-hydroxybenzaldehyde, 3-hydroxybenzaldehyde, 4-hydroxybenzaldehyde, 2,3-dihydroxybenzaldehyde, 2,4-dihydroxybenzaldehyde, 2,4-dihydroxy-3-methylbenzaldehyde, 2,4-dihydroxy-5-methylbenzaldehyde, 2,4-dihydroxy-6-methylbenzaldehyde, 2,4-dihydroxy-3-methoxybenzaldehyde, 2,4-dihydroxy-5-methoxybenzaldehyde, 2,4-dihydroxy-6-methoxybenzaldehyde, 2,5-dihydroxybenzaldehyde, 2,6-dihydroxybenzaldehyde, 3,4-dihydroxybenzaldehyde, 3,4-dihydroxy-2-methylbenzaldehyde, 3,4-dihydroxy-5-methylbenzaldehyde, 3,4-dihydroxy-6-methylbenzaldehyde, 3,4-dihydroxy-2-methoxybenzaldehyde, 3,5-dihydroxybenzaldehyde, 2,3,4-trihydroxybenzaldehyde, 2,3,5-trihydroxybenzaldehyde, 2,3,6-trihydroxybenzaldehyde, 2,4,6-trihydroxybenzaldehyde, 2,4,5-trihydroxybenzaldehyde, 2,5,6-trihydroxybenzaldehyde, 4-dimethylaminobenzaldehyde, 4-diethylaminobenzaldehyde, 4-dimethylamino-2-hydroxybenzaldehyde, 4-pyrrolidinobenzaldehyde, 4-morpholinobenzaldehyde, 2-morpholinobenzaldehyde, 4-piperidinobenzaldehyde, 3,5-dichloro-4-hydroxybenzaldehyde, 4-hydroxy-3,5-diiodobenzaldehyde, 3-chloro-4-hydroxybenzaldehyde, 5-chloro-3,4-dihydroxybenzaldehyde, 5-bromo-3,4-dihydroxybenzaldehyde, 3-chloro-4-hydroxy-5-methoxybenzaldehyde, 4-hydroxy-3-iodo-5-methoxybenzaldehyde, 2-methoxy-1-naphthaldehyde, 4-methoxy-1-naphthaldehyde, 2-hydroxy-1-naphthaldehyde, 2,4-dihydroxy-1-napthaldehyde, 4-hydroxy-3-methoxy-1-naphthaldehyde, 2-hydroxy-4-methoxy-1-naphthaldehyde, 3-hydroxy-4-methoxy-1-naphthaldehyde, 2,4-dimethoxy-1-naphthaldehyde, 3,4-dimethoxy-1-naphthaldehyde, 4-dimethylamino-1-naphthaldehyde, 2-nitrobenzaldehyde, 3-nitrobenzaldehyde, 4-nitrobenzaldehyde, 4-methyl-3-nitrobenzaldehyde, 3-hydroxy-4-nitrobenzaldehyde, 5-hydroxy-2-nitrobenzaldehyde, 2-hydroxy-5-nitrobenzaldehyde, 2-hydroxy-3-nitrobenzaldehyde, 2-fluoro-3-nitrobenzaldehyde, 3-methoxy-2-nitrobenzaldehyde, 4-chloro-3-nitrobenzaldehyde, 2-chloro-6-nitrobenzaldehyde, 5-chloro-2-nitrobenzaldehyde, 4-chloro-2-nitrobenzaldehyde, 2,4-dinitrobenzaldehyde, 2,6-dinitrobenzaldehyde, 2-hydroxy-3-methoxy-5-nitrobenzaldehyde, 4,5-dimethoxy-2-nitrobenzaldehyde, 6-nitropiperonal, 2-nitropiperonal, 5-nitrovanillin, 2,5-dinitrosalicylaldehyde, 5-bromo-3-nitrosalicylaldehyde, 4-nitro-1-naphthaldehyde, 2-nitrocinnamaldehyde, 3-nitrocinnamaldehyde, 4-nitrocinnamaldehyde, 4-dimethylaminocinnamaldehyde, 2-dimethylaminobenzaldehyde, 2-chloro-4-dimethylaminobenzaldehyde, 4-dimethylamino-2-methylbenzaldehyde, 4-diethylaminocinnamaldehyde, 4-dibutylaminobenzaldehyde, 4-diphenylaminobenzaldehyde, 4-(1-imidazolyl)benzaldehyde, piperonal, and mixtures thereof.

7. The composition according to claim 1 , further comprising at least one component C comprising a CH-acidic compound, wherein the CH-acidic compound is different from the at least one component A.

8. The composition according to claim 5 , further comprising at least one component C comprising a CH-acidic compound, wherein the CH-acidic compound is different from the at least one component A.

9. The composition according to claim 7 , wherein the CH-acidic compound comprises a salt of a physiologically compatible anion and a cation selected from the group consisting of 1,4-dimethylquinolinium, 1-ethyl-4-methylquinolinium, 1-ethyl-2-methylquinolinium, 1,2,3,3-tetramethyl-3H-indolium, 2,3-dimethylbenzothiazolium, 2,3-dimethyl-naphtho[1,2-d]thiazolium, 3-ethyl-2-methyl-naphtho[1,2-d]thiazolium, 3-ethyl-2-methyl-benzoxazolium, 1,2,3-trimethylquinoxalinium, 3-ethyl-2-methylbenzothiazolium, 1,2-dihydro-1,3,4,6-tetramethyl-2-oxopyrimidinium, 1,2-dihydro-1,3,4-trimethyl-2-oxo-pyrimidinium, 1,2-dihydro-4,6-dimethyl-1,3-dipropyl-2-oxopyrimidinium, 1,2-dihydro-1,3,4,6-tetramethyl-2-thioxopyrimidinium, 1,2-dihydro-1,3,4,5,6-pentamethyl-2-oxopyrimidinium, 2,5-dimethyl-3-(2-propenyl)-1,3,4-thiadiazolium, 3-ethyl-2,5-dimethyl-1,3,4-thiadiazolium, 1,2-dimethylquinolinium and 1,3,3-trimethyl-2-methyleneindoline (Fischer base), oxindole, 3-methyl-1-phenyl-pyrazolin-5-one, indan-1,2-dione, indan-1,3-dione, indan-1-one, 2-amino-4-imino-1,3-thiazoline hydrochloride, benzoylacetonitrile, 3-dicyanomethyleneindan-1-one, 2-(2-furanoyl)acetonitrile, 2-(2-theonyl)acetonitrile, 2-(cyanomethyl)benzimidazole, 2-(cyanomethyl)benzothiazole, 2-(2,5-dimethyl-3-furanoyl)acetonitrile, and mixtures thereof.

10. The composition according to claim 1 , wherein the at least one component A and the at least one component B are each present in an amount of 0.03 to 65 mmol, based on 100 g of the composition.

11. The composition according to claim 7 , wherein the at least one component A, the at least one component B and the at least one component C are each present in an amount of 0.03 to 65 mmol, based on 100 g of the composition.

12. The composition according to claim 1 , further comprising a color reinforcer selected from the group consisting of piperidine, piperidine-2-carboxylic acid, piperidine-3-carboxylic acid, piperidine-4-carboxylic acid, pyridine, 2-hydroxypyridine, 3-hydroxypyridine, 4-hydroxypyridine, imidazole, 1-methylimidazole, arginine, histidine, pyrrolidine, proline, pyrrolidone, pyrrolidone-5-carboxylic acid, pyrazole, 1,2,4-triazole, piperazidine, and mixtures thereof.

13. The composition according to claim 1 , further comprising an oxidizing agent.

14. The composition according to claim 1 , further comprising an oxidation dye precursor selected from the group consisting of developer components, coupler components, and mixtures thereof.

15. The composition according to claim 1 , further comprising a substantive dye.

16. The composition according to claim 1 , further comprising a surfactant selected from the group consisting of anionic surfactants, zwitterionic surfactants, non-ionic surfactants, and mixtures thereof.

17. A method comprising:

(a) providing at least one component A comprising a compound selected from the group consisting of imidazo[1,5-a]pyrimidinium derivatives of general formula I, enamine counterparts of imidazo[1,5-a]pyrimidinium derivatives of the general formula I, and mixtures thereof:

wherein R 1 represents a substituent selected from the group consisting of a hydrogen atom, a halogen atom, a carboxyl group, a (C 1 -C 6 ) alkoxy group, a (C 1 -C 6 ) alkyl group, a (C 2 -C 6 ) alkenyl group, an optionally substituted aryl group, an aryl (C 1 -C 6 ) alkyl group, a (C 2 -C 6 ) hydroxyalkyl group, a (C 2 -C 6 ) polyhydroxyalkyl group, and a R I R II N—CO— group, wherein R I and R II each independently represent a substituent selected from the group consisting of a hydrogen atom, a (C 1 -C 6 ) alkyl group, a (C 1 -C 6 ) alkenyl group, an aryl group, and an aryl C 1 -C 6 alkyl group, and wherein R I and R II together with the nitrogen atom in the R I R II N—CO— group can form a 5-7 membered ring;

wherein R 2 represents a substituent selected from the group consisting of a (C 1 -C 6 ) alkyl group, a (C 2 -C 6 ) alkenyl group, an optionally substituted aryl group, an aryl (C 1 -C 6 ) alkyl group, a (C 1 -C 6 ) hydroxyalkyl group, a (C 2 -C 6 ) polyhydroxyalkyl group, and a R III R IV N—(CH 2 ) n — group, wherein R III and R IV each independently represent a hydrogen atom, a (C 1 -C 6 ) alkyl group, a (C 1 -C 6 ) alkenyl group, and an aryl C 1 -C 6 alkyl group, and wherein R III and R IV together with the nitrogen atom in the R III R IV N—(CH 2 ) n — group can form a 5-7 membered ring, and wherein n represents and integer of 2 to 6;

wherein R 3 and R 5 each independently represents a substituent selected from the group consisting of a hydrogen atom, a (C 1 -C 6 ) alkyl group, a (C 2 -C 6 ) alkenyl group, an aryl group, an aryl (C 1 -C 6 ) alkyl group, a (C 2 -C 6 ) hydroxyalkyl group, and a (C 2 -C 6 ) polyhydroxyalkyl group, with the proviso that at least one of R 3 and R 5 represents a methyl group;

wherein R 4 represents a substituent selected from the group consisting of a hydrogen atom, a (C 1 -C 6 ) alkyl group, a (C 2 -C 6 ) alkenyl group, a (C 1 -C 6 ) hydroxyalkyl group, a (C 2 -C 6 ) polyhydroxyalkyl group, and an optionally substituted aryl group; and

wherein X − represents a physiologically compatible anion;

(b) providing at least one component B comprising a reactive carbonyl compound;

(c) contacting a keratinic fiber with the at least one component A and the at least one component B; and

(d) removing the at least one component A and the at least one component B from the keratinic fiber.

18. The method according to claim 17 , wherein the at least one component A and the at least one component B are applied to the keratinic fiber simultaneously.

19. The method according to claim 17 , wherein the at least one component A and the at least one component B are applied to the keratinic fiber sequentially.

20. The method according to claim 17 , further comprising pretreating the keratinic fiber prior to contact with the at least one component A and the at least one component B, wherein pretreating the keratinic fiber comprises contacting the keratinic fiber with an agent selected from the group consisting of bleaching agents, oxidation colorants and combinations thereof.