Cationic heteroarylazine dyes and colorants containing these compounds
View Patent ↗Cationic heteroarylazine dyes of general formulas (I) and (II) and colorants for keratin fibers containing these compounds.
1. A cationic heteroarylazine dye selected from the group consisting of: 1-(2-hydroxyethyl)-3-{(Z)-[(2E)-2-(3-methyl-1,3-benzothiazol-2(3H)-ylidene)hydrazono]methyl}pyridinium bromide, 4-{(E)-[(2Z))-2-(3,4-dimethyl-1,3-thiazol-2(3H)-ylidene)hydrazono]methyl}-1-(2-hydroxyethyl)pyridinium bromide, 2-{(E)-[(2Z)-2-(3,4-dimethyl-1,3-thiazol-2(3H)-ylidene)hydrazono]methyl-3-(methyl)-1-methyl-1H-imidazol-3-ium methylsulfate, 3-(2-hydroxyethyl)-1-methyl-2-{(Z)-[(2E)-2-(3-methyl-1,3-benzothiazol-2(3H)-ylidene)hydrazono]methyl}-1H-imidazol-3-ium bromide, 1-(2-hydroxyethyl)-4-{(Z)-[(2E)-2-(3-methyl-1,3-benzothiazol-2(3H)-ylidene)hydrazono]methyl}pyridinium bromide, 4-[(E)-({bis[4-(dimethylamino)phenyl]methylene}hydrazono)methyl]-1-(2-hydroxyethyl)pyridinium bromide, 4-[(E)-({bis[4-dimethylamino)phenyl]methylene}hydrazono)methyl]-1-(2-hydroxyethyl)quinolinium bromide, 4-[(E)-({bis[4-(dimethylamino)phenyl]-methylene}hydrazono)methyl]-1-methylpyridinium methylsulfate, 4-[(E)-({bis[4-(diethylamino)phenyl]methylene}hydrazono)methyl]-1-methylpyridinium methylsulfate, 4-[(E)-(9H)-fluoren-9-ylidenehydrazono)methyl]-1-methylpyridinium methylsulfate, 3-[(E)-({bis[4-(dimethylamino)phenyl]methylene}hydrazono)methyl]-1-methylpyridinium methylsulfate, 4-{(E)-[(2Z)-2-(3,4-dimethyl-1,3-thiazol-2(3H)-ylidene)hydrazono]methyl}-1-methylpyridinium methylsulfate and 4-[(E)-({bis[4-(dimethylamino)phenyl]methylidene}hydrazono)methyl]-1-methylquinolinium methylsulfate.
2. An agent for non-oxidative dyeing of keratin fibers, wherein the agent contains a cationic heteroarylazine dye as defined in claim 1 .
3. An agent for non-oxidative dyeing of keratin fibers, comprising:
(a) a cationic heteroarylazine dye of general formulas (I) and (II)
wherein
R1 stands for a group of formula (III), (IV), (V) or (VI);
E stands for an oxygen atom or a sulfur atom;
R2, R4 and R5 can be equal or different and stand for hydrogen, a tertiary butyl group, an isopropyl group, a C 1 -C 6 -alkyl group, a C 1 -C 6 -hydroxyalkyl group or a group of general formula (VII);
R3 stands for a group of formula (VIII), (IX) or (X)
R6 stands for hydrogen, a straight-chain or branched C 1 -C 6 -alkyl group or a straight-chain or branched C 2 -C 4 -hydroxyalkyl group;
R7 stands for a branched or linear C 1 -C 6 -alkyl group, a C 2 -C 4 -hydroxyalkyl group or a C 4 -C 8 -polyhydroxyalkyl group;
R8 and R9 can be equal or different and stand for hydrogen, a C 1 - 6 -alkylamino group, a C 1 -C 6 -N,N-dialkylamino group, a C 1 -C 6 -N,N-dihydroxyalkylamino group, a C 1 -C 6 -N-hydroxyalkyl-N-alkylamino group, a C 1 -C 6 -alkylcyano group, a methoxymethyl group, a tertiary butyl group, an isopropyl group, a C 1 -C 6 -alkyl group, a C 1 -C 6 -alkyloxy group or a C 1 -C 6 -hydroxyalkyl group;
R10 stands for hydrogen, a straight-chain or branched C 1 -C 6 -alkyl group or a straight-chain or branched C 2 -C 4 -hydroxyalkyl group;
R11 and R12 can be equal or different and stand for hydrogen, a C 1 -C 6 -alkylamino group, a C 1 -C 6 -N,N-dialkylamino group, a C 1 -C 6 -N,N-dihydroxyalkylamino group, a C 1 -C 6 -N-hydroxyalkyl-N-alkylamino group, a C 1 -C 6 -alkylcyano group, a methoxymethyl group, a tertiary butyl group, an isopropyl group, a C 1 -C 6 -alkyl group, a C 1 -C 6 -alkyloxy group or a C 1 -C 6 -hydroxyalkyl group; and
X − stands for an anion and
(b) at least one natural polymer, synthetic polymer or modified polymer of natural origin commonly used in cosmetic agents and wherein the agent is in the form of a tinting setting agent or color setting agent.
4. An agent for the simultaneous brightening and dyeing of keratin fibers, wherein the agent contains (a) an oxidant and (b) at least one cationic heteroarylazine dye of general formulas (I) and (II)
wherein
R1 stands for a group of formula (III), (IV), (V) or (VI);
E stands for an oxygen atom or a sulfur atom;
R2, R4 and R5 can be equal or different and stand for hydrogen, a tertiary butyl group, an isopropyl group, a C 1 -C 6 -alkyl group, a C 1 -C 6 -hydroxyalkyl group or a group of general formula (VII);
R3 stands for a group of formula (VIII), (IX) or (X)
R6 stands for hydrogen, a straight-chain or branched C 1 -C 6 -alkyl group or a straight-chain or branched C 2 -C 4 -hydroxyalkyl group;
R7 stands for a branched or linear C 1 -C 6 -alkyl group, a C 2 -C 4 -hydroxyalkyl group or a C 4 -C 6 -polyhydroxyalkyl group;
R8 and R9 can be equal or different and stand for hydrogen, a C 1 -C 6 -alkylamino group, a C 1 -C 6 -N,N-dialkylamino group, a C 1 -C 6 -N,N-dihydroxyalkylamino group, a C 1 -C 6 -N-hydroxyalkyl-N-alkylamino group, a C 1 -C 6 -alkylcyano group, a methoxymethyl group, a tertiary butyl group, an isopropyl group, a C 1 -C 6 -alkyl group, a C 1 -C 6 -alkyloxy group or a C 1 -C 6 -hydroxyalkyl group;
R10 stands for hydrogen, a straight-chain or branched C 1 -C 6 -alkyl group or a straight-chain or branched C 2 -C 4 -hydroxyalkyl group;
R11 and R12 can be equal or different and stand for hydrogen, a C 1 -C 6 -alkylamino group, a C 1 -C 6 -N,N-dialkylamino group, a C 1 -C 6 -N,N-dihydroxyalkylamino group, a C 1 -C 6 -N-hydroxyalkyl-N-alkylamino group a C 1 -C 6 -alkylcyano group, a methoxymethyl group, a tertiary butyl group, an isopropyl group, a C 1 -C 6 -alkyl group a C 1 -C 6 -alkyloxy group or a C 1 -C 6 -hydroxyalkyl group; and
X − stands for an anion.
5. An agent as defined in claim 4 , wherein the oxidant is selected from the group consisting of hydrogen peroxide, persulfates, perborates and mixtures of these compounds.
6. An agent for the oxidative dyeing of keratin fibers based on oxidation dye precursors, wherein the agent contains at least one cationic heteroarylazine dye of general formulas (I) and (II)
wherein
R1 stands for a group of formula (III), (IV), (V) or (VI);
E stands for an oxygen atom or a sulfur atom;
R2, R4 and R5 can be equal or different and stand for hydrogen, a tertiary butyl group, an isopropyl group, a C 1 -C 6 -alkyl group, a C 1 -C 6 -hydroxyalkyl group or a group of general formula (VII);
R3 stands for a group of formula (VIII), (IX) or (X)
R6 stands for hydrogen, a straight-chain or branched C 1 -C 6 -alkyl group or a straight-chain or branched C 2 -C 4 -hydroxyalkyl group;
R7 stands for a branched or linear C 1 -C 6 -alkyl group, a C 2 -C 4 -hydroxyalkyl group or a C 4 -C 6 -polyhydroxyalkyl group;
R8 and R9 can be equal or different and stand for hydrogen, a C 1 -C 6 -alkylamino group, a C 1 -C 6 -N,N-dialkylamino group, a C 1 -C 6 -N,N-dihydroxyalkylamino group, a C 1 -C 6 -N-hydroxyalkyl-N-alkylamino group, a C 1 -C 6 -alkylcyano group, a methoxymethyl group, a tertiary butyl group, an isopropyl group, a C 1 -C 6 -alkyl group, a C 1 -C 6 -alkyloxy group or a C 1 -C 6 -hydroxyalkyl group;
R10 stands for hydrogen, a straight-chain or branched C 1 -C 6 -alkyl group or a straight-chain or branched C 2 -C 4 -hydroxyalkyl group;
R11 and R12 can be equal or different and stand for hydrogen, a C 1 -C 6 -alkylamino group, a C 1 -C 6 -N,N-dialkylamino group, a C 1 -C 6 -N,N-dihydroxyalkylamino group, a C 1 -C 6 -N-hydroxyalkyl-N-alkylamino group, a C 1 -C 6 -alkylcyano group, a methoxymethyl group, a tertiary butyl group, an isopropyl group, a C 1 -C 6 -alkyl group, a C 1 -C 6 -alkyloxy group or a C 1 -C 6 -hydroxyalkyl group; and
X − stands for an anion.
7. An agent as defined in claim 6 , wherein the agent contains from 0.01 to 12 weight percent of at least one oxidation dye precursor.
8. An agent as defined in claim 2 , wherein the agent contains the cationic heteroarylazine dye in a total amount from 0.01 to 10 weight percent.
9. An agent as defined in claim 2 , wherein the agent is a hair colorant.
10. An agent as defined in claim 3 , wherein the cationic heteroarylazine dye of general formulas (I) and (II) is selected from the group consisting of:
1-(2-hydroxyethyl)-3-{(Z)-[(2E)-2-(3-methyl-1,3-benzothiazol-2(3H)-ylidene)hydrazono]methyl}pyridinium bromide, 4-{(E)-[(2Z))-2-(3,4-dimethyl-1,3-thiazol-2(3H)-ylidene)hydrazono]methyl}-1-(2-hydroxyethyl)pyridinium bromide, 2-{(E)-[(2Z)-2-(3,4-dimethyl-1,3-thiazol-2(3H)-ylidene)hydrazono]methyl-3-(methyl)-1-methyl-1H-imidazol-3-ium methylsulfate, 3-(2-hydroxyethyl)-1-methyl-2-{(Z)-[(2E)-2-(3-methyl-1,3-benzothiazol-2(3H)-ylidene)hydrazono]methyl}-1H-imidazol-3-ium bromide, 1-(2-hydroxyethyl)-4-{(Z)-[(2E)-2-(3-methyl-1,3-benzothiazol-2(3H)-ylidene)hydrazono]methyl}pyridinium bromide, 4-[(E)-({bis[4-(dimethylamino)phenyl]methylene}hydrazono)methyl]-1-(2-hydroxyethyl)pyridinium bromide, 4-[(E)-({bis[4-dimethylamino)phenyl]methylene}hydrazono)methyl]-1-(2-hydroxyethyl)quinolinium bromide, 4-[(E)-({bis[4-(dimethylamino)phenyl]-methylene}hydrazono)methyl]-1-methylpyridinium methylsulfate, 4-[(E)-({bis[4-(diethylamino)phenyl]methylene}hydrazono)methyl]-1-methylpyridinium methylsulfate, 4-[(E)-(9H)-fluoren-9-ylidenehydrazono)methyl]-1-methylpyridinium methylsulfate, 3-[(E)-({bis[4-(dimethylamino)phenyl]methylene}hydrazono)methyl]-1-methylpyridinium methylsulfate, 4-{(E)-[(2Z)-2-(3,4-dimethyl-1,3-thiazol-2(3H)-ylidene)hydrazono]methyl}-1-methylpyridinium methylsulfate and 4-[(E)-({bis[4-(dimethylamino)phenyl]methylidene}hydrazono)methyl]-1-methylquinolinium methylsulfate.