| abstract |
Reactive dyestuffs of the formula <IMAGE> wherein D is an organic dyestuff radical, Y is a direct bond or a bridge member which may be a carbon atom in an aromatic-carbocyclic or aromatic-heterocyclic ring, R and R1 are H or alkyl, R2 is a vinyl, beta -halogenovinyl or -CH2CH2-X where X is a relative group and n is 1 or 2, and wherein ring B may be further substituted, are outstandingly suitable for dyeing and printing textile materials of natural or regenerated cellulose or natural or synthetic polypeptides. Highly stable dyeings are obtained in high yields. |