DISPERSE AZO DYES, A PROCESS FOR THE PREPARATION THEREOF AND THE USE THEREOF

摘要

The present invention relates to dyes of formula (1), wherein either A is -CO- and Q is -SO2- or A is -SO2- and Q is -CO-, R1 denotes C1-C6alkyl, benzyl, allyl, -CnH2n-COOR Or -CnH2n-CN, wherein n is a number from 1 to 3 and R represents hydrogen or C1-C6alkyl; X is nitro, cyano or halogen; Y is hydrogen, nitro, cyano or halogen, and K is the radical of a coupling component of the benzene, naphthalene, pyrazolone; 6-hydroxypyridone-(2) or acetoacetic acid arylamide series, and to the process for the preparation thereof and to the use thereof in dyeing or printing semi-synthetic and especially synthetic hydrophobic fibre materials, more especially textile materials.