| abstract |
K der Rest einer Kupplungskomponente, R der Rest einer methylenaktiven Verbindung, X Wasserstoff oder gegebenenfalls substituiertes Alkyl, Aryl oder Hetaryl und Y Cyan, Nitro, Alkanoyl, Aroyl, Alkysulfonyl Arylsulfonyl, Carboxyl, Carbonester oder gegebenenfalls substituiertes Carbamoyl sind. The invention relates to compounds of general formula I. in the K the rest of a coupling component, R is the remainder of a methylene-active compound, X is hydrogen or optionally substituted alkyl, aryl or hetaryl and Y are cyan, nitro, alkanoyl, aroyl, alkysulfonyl arylsulfonyl, carboxyl, carboxylic esters or optionally substituted carbamoyl. n n n The compounds according to the invention are very suitable for dyeing textile fibers, in particular polyesters. |