| 摘要 |
<p>The present invention relates to dyes of formula (1), wherein each of the residues D i and D2 represents a radical of formula (2), wherein Ari represents the tetravalent radical of a carbocylic or heterocyclic aromatic compound, Ri, R2 and are each independently of the other hydrogen, Ci-Ci 2alkyl, C i- 2alkoxy, halogen, -OH, -CN, -N0 2, -CF 3, -S0 3H, -NHCOR , -COOR 5, -CONR R7, -S0 2NR R , -NRi SO2Rn, -S0 2R i - or -ZCH 2CH2Q, wherein Z is -0-, -S0 2-, -NR12-, -CONH- or -NHCO-, Q repres o ents -OH, Ci-Ci 2alkyl, -S0 2R i3-, -NHR -, -OCH CH OH, -S0 2CH CH OH or -NHCH CH OH, is -C i2alkyl, R5, R , R7, R , Rio, R i2, R i3 and are each independently of the others hydrogen or Ci-G 2alkyl, and R n is Ci-G 22alkyl, with the proviso that o at least one of the residues D i and D2 is a radical of formula (2) wherein R is -COOR 5, -S0 2NR R , -S0 2R i - or -ZCH 2CH2Q, di chromatic and trichromatic mixtures containing these dyes and the use of these dyes for dyeing or printing hydroxyl group-contain ing or nitrogen-containing fibre materials.</p> |
