| abstract |
Fiber-reactive compounds of the formula X-O2S-W1[Fc]W2-NR-Z, and water-soluble salts thereof each cation of which is independently a non-chromophoric cation, and mixtures of such compounds or water-soluble salts, wherein Fc is a chromophore-containing radical of a monoazo, disazo, polyazo, formazan, anthraquinone, dioxazine, phenazine or azomethine dye, which is in metal-free or metal complex form, each of W1 and W2 is independently a direct bond or a bridging group which is attached to a carbon atom of an aromatic carbocyclic ring or to a carbon or nitrogen atom of an aromatic heterocyclic ring present in Fc, X is -CH=CH2 or -C2-4alkylene-Y, wherein Y is hydroxy or a group which can be split off under alkaline conditions, R is hydrogen, C1-4alkyl or C1-4alkyl monosubstituted by hydroxy, halo, cyano, -SO3H, -OSO3H or -COOH, and Z is <IMAGE> with the provisos as set forth herein. |