Patent ID: 7300472

Claim:
An agent for coloring fibers containing keratin, in particular, human hair, comprising, as component A, at least one compound according to formula I and/or enamine form thereof, where R 1 is a hydrogen atom, a hydroxy group, a mercapto group, a linear or cyclic C 1 –C 6 -alkyl group, a C 2 –C 6 -alkenyl group, an optionally substituted aryl group, an optionally substituted heteroaryl group, an aryl-C 1 –C 6 -alkyl group, a C 1 –C 6 -hydroxyalkyl group, a C 2 –C 6 -polyhydroxyalkyl group, a C 1 –C 6 -alkoxy-C 2 –C 6 -alkyl group, a C 1 –C 6 -sulfoalkyl group, a C 1 –C 6 -carboxyalkyl group, a group R I R II N—(CH 2 )—, in which R I and R II , independently of one another, are a hydrogen atom, a linear or cyclic C 1 –C 6 -alkyl group, a C 2 –C 6 -alkenyl group, a C 1 –C 6 -hydroxyalkyl group or an aryl-C 1 –C 6 -alkyl group, where R I and R II , together with the nitrogen atom, can form a 5-, 6- or 7-membered ring and m is a number 0, 1, 2, 3 or 4, R 2 is a linear or cyclic C 1 –C 6 -alkyl group, a C 2 –C 6 -alkenyl group, an optionally substituted aryl group, an optionally substituted heteroaryl group, an aryl-C 1 –C 6 -alkyl group, a C 1 –C 6 -hydroxyalkyl group, a C 2 –C 6 -polyhydroxyalkyl group, a C 1 –C 6 -sulfoalkyl group, a C 1 –C 6 -carboxyalkyl group, a group R III R IV N—(CH 2 ) q- , in which R III and R IV , independently of one another, are a hydrogen atom, a linear or cyclic C 1 –C 6 -alkyl group, a C 2 –C 6 -alkenyl group, a C 1 –C 6 -hydroxyalkyl group or an aryl-C 1 –C 6 -alkyl group and q is a number 1, 2, 3 or 4, A is an oxygen atom, a sulfur atom or a group N—R, in which R is a hydrogen atom, a linear or cyclic C 1 –C 6 -alkyl group, a C 2 –C 6 -alkenyl group, a C 1 –C 6 -hydroxyalkyl group or an aryl-C 1 –C 6 -alkyl group, X − is a physiologically compatible anion, and, as component B, at least one compound with a reactive carbonyl group.