| abstract |
Triazolopyridine azo dyes of formula (I) in which one of the two radicals A and E is nitrogen and the other is a radical of the formula C-R1, in which R1 is optionally substituted C¿1?-C20 alkyl, optionally substituted phenyl or optionally substituted mercapto; one of the two radicals R?2 and R4¿ is cyano, carbamoyl, carboxyl or C¿1?-C4 alkoxy carbonyl and the other is a radical of the formula D-N=N-, in which D is the radical of a diazo component from the anilin series; and R?3¿ is optionally substituted C¿1?-C4 alkyl or phenyl; and R?5¿ is hydroxy, mercapto, optionally substituted amino or the radical of a CH-acid compound; and their use for dyeing or printing fabrics. |