Reactive dyestuffs containing urea alkylene linkage between chromophore and reactive radical

Reactive dyetuff of the formula ##STR333## in which W is a heterocyclic or aliphatic fiber reactive radical capable of reacting with an amino, amido or hydroxyl group on a fiber;

• which is bound to ##STR334## by a carbon atom on W;
• D is a radical of an aromatic ring containing organic dyestuff which is bound to --(CH.sub.2).sub.n -- by an aromatic carbon on D;
• X.sub.1 is hydrogen;
• C.sub.1 -C.sub.4 -alkyl;
• or C.sub.1 -C.sub.4 -alkyl substituted by hydroxyl, sulfo or sulfato;
• X.sub.2 and X.sub.3 are hydrogen;
• C.sub.1 -C.sub.4 -alkyl;
• C.sub.1 -C.sub.4 -alkyl substituted by hydroxyl, sulfo or sulfato;
• cyclohexyl;
• phenyl;
• benzyl;
• phenethyl;
• or cyclohexyl, phenyl, benzyl or phenethyl substituted by hydroxyl, sulfo, carboxy, sulfamoyl or carbamoyl;
• or X.sub.2 and X.sub.3 together are --CH.sub.2 --CH.sub.2 --;
• Alkylene is C.sub.1 -C.sub.6 -alkylene, --CH.sub.2 --CH--(OH)--CH.sub.2 -- or cyclohexylene;
• and n is 0 or 1.