(P-amino-hydroxyphenyl)-acrylamide derivatives and dyes containing said compounds

An agent for oxidative dyeing of keratin fibers, wherein said agent comprises at least one developer and at least one coupler, said at least one developer comprising at least one (p-aminohydroxyphenyl)acrylamide derivative of formula (I), or a physiologically-tolerated, water-soluble salt thereof:

• wherein
• R1 denotes hydrogen, a halogen atom, a C1-C4-alkyl group, a C1-C4-hydroxyalkyl group or a C1-C4-alkoxy group;
• R2 and R3, independently of each other, denote hydrogen or a C1-C6-alkyl group;
• R4 and R5, independently of each other, denote hydrogen, a C1-C2-alkoxy group, a C1-C6-alkyl group, an unsaturated a C3-C6-alkyl group, a C2-C4-hydroxyalkyl group, a C3-C4-dihydroxyalkyl group, a C2-C4-aminoalkyl group, a C2-C4-dimethylaminoalkyl group, a C2-C4-acetylaminoalkyl group, a C2-C4-methoxyalkyl group, a C2-C4-ethoxyalkyl group, a C1-C4-cyanoalkyl group, a C1-C4-carboxyalkyl group, a C1-C4-aminocarbonylalkyl group, a pyridylmethyl group, a furfuryl group, a thienylmethyl group, a hydrogenated furfuryl group, a substituted pyridyl group, a group of formula (II)
• a group of formula (III)
• or a group of formula (IV)
• or R4 and R5 together with N form a ring of the following formula:
• R6 denotes hydrogen, a carboxy group or an aminocarbonyl group;
• R7 and R8, independently of each other, denote hydrogen, a hydroxyl group, an aminocarbonyl group, a methylthiomethyl group, a phenyl-substituted or hydroxyl-substituted phenyl group or a group of formula
• R9, R10, R11, R12 and R13, independently of each other, denote hydrogen, a halogen atom, a cyano group, a hydroxyl group, a C1-C4-alkoxy group, a C1-C4-hydroxyalkoxy group, a C1-C6-alkyl group, a C1-C4-alkyl thioether group, a mercapto group, a nitro group, an amino group, an alkylamino group, a C1-C4-hydroxyalkylamino group, a dialkylamino group, a di(C1-C4-hydroxyalkyl)amino group, a (C3-C4-dihydroxyalkyl)-amino group, a (C1-C4-hydroxyalkyl)-C1-C4-alkylamino group, a trifluoromethyl group, a —C(O)H group, a —C(O)CH3— group, a —C(O)CF3 group, an —Si(CH3)3 group, a C1-C4-hydroxyalkyl group or a C3-C4-dihydroxyalkyl group, or two adjacent R9 to R13 groups form an —O—CH2—O— bridge;
• R14 denotes a C1-C4-alkyl group, a benzyl group or a C2-C4-hydroxyalkyl group;
• R15 denotes hydrogen or a C1-C6-alkyl group;
• R16 denotes hydrogen, a hydroxyl group, a carboxy group, an aminocarbonyl group or a hydroxymethyl group;
• and
• R17 denotes hydrogen or a C1-C6-alkyl group.