Water-soluble azo compounds containing, as fiber-reactive groups, a (nitrophenylamino-phenylamino)-chloro-triazinylamino group and groups of the vinylsulfone series, suitable as dyestuffs

A water-soluble azo compound conforming to the formula ##STR21## in which k is the number zero or 1;

• D is phenyl which is unsubstituted or is substituted by 1, 2 or 3 substituents selected from the group of substituents consisting of alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, carboxy, alkanoylamino of 2 to 5 carbon atoms which is unsubstituted or is substituted by chloro, bromo, sulfo, sulfato, carboxy or hydroxy, sulfo-benzoylamino, benzoylamino, phenylamino, sulfophenylamino, carbamoyl, carbamoyl which is monosubstituted or disubstituted by alkyl of 1 to 4 carbon atoms, sulfamoyl, sulfamoyl which is monosubstituted or disubstituted by alkyl of 1 to 4 carbon atoms, N-phenylsulfamoyl, N-phenyl-N-(C.sub.1 -C.sub.4 -alkyl)-sulfamoyl, cyano, nitro, chlorine, bromine, fluorine, trifluoromethyl, hydroxy and sulfo, or
• D is a naphthyl which is unsubstituted or is substituted by 1, 2 or 3 substituents selected from the group of substituents consisting of sulfo, carboxy, methyl, ethyl, methoxy, ethoxy, alkanoylamino of 2 to 5 carbon atoms which is unsubstituted or is substituted by chloro, bromo, sulfo, sulfato, carboxy or hydroxy, sulfobenzoylamino, benzoylamino, chlorine, hydroxy and nitro, or
• D is phenyl which is substituted by the group --SO.sub.2 --Y shown and except as shown is otherwise unsubstituted or is further substituted by 1 or 2 substituents selected from the group of substituents consisting of alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, carboxy, alkanoylamino of 2 to 5 carbon atoms which is unsubstituted by chloro, bromo, sulfo, sulfato, carboxy or hydroxy, sulfobenzoylamino, benzoylamino, phenylamino, sulfophenylamino, carbamoyl, carbamoyl which is monosubstituted or disubstituted by alkyl or 1 to 4 carbon atoms, sulfamoyl, sulfamoyl which is monosubstituted or disubstituted with alkyl of 1 to 4 carbon atoms, N-phenylsulfamoyl, N-phenyl-N-(C.sub.1 -C.sub.4 -alkyl)sulfamoyl, cyano, nitro, chlorine, bromine, fluorine, trifluoromethyl, hydroxy and sulfo, or
• D is a naphthyl which is substituted by the group --SO.sub.2 --Y shown and except as shown is otherwise unsubstituted or is further substituted by 1 or 2 substituents selected from the group of substituents consisting of sulfo, carboxy, methy, ethyl, methoxy, ethoxy, alkanoylamino of 2 to 5 carbon atoms which is unsubstituted or is substituted by chloro, bromo, sulfo, sulfato, carboxy, or hydroxy, sulfobenzoylamino, benzoylamino, chlorine, hydroxy and nitro;
• E is phenylene which is unsubstituted or is substituted by 1 or 2 substituents which are selected from the group cosnisting of 2 alkyl of 1 to 4 carbon atoms, 2 alkoxy of 1 to 4 carbon atoms, 2 chlorine, 1 bromine, 1 alkanoylamino of 2 to 5 carbon atoms which is unsubstituted or is substituted by chloro, bromo, sulfo, sulfato, carboxy or hydroxy, 1 benzoylamino, 2 sulfo, 1 carboxy, 1 N,N-dialkylamino having alkyl groups of 1 to 4 carbon atoms each, 1 ureido, 1 phenylureido and 1 alkylsulfonylamino of 1 to 4 carbon atoms, or is a naphthylene which is unsubstituted or is substituted by 1 or 2 sulfo or by 1 alkyl of 1 to 4 carbon atoms, 1 nitro, 1 alkanoylamino of 2 to 5 carbon atoms or 1 benzoylamino or by the group --SO.sub.2 --Y shown, or is substituted or unsubstituted by the group --SO.sub.2 --Y shown and by 1 or 2 sulfos and 1 alkyl of 1 to 4 carbon atoms, 1 nitro, 1 alkylamino of 2 to 5 carbon atoms or 1 benzoylamino, or represents a naphthylene which contains bonded in the ortho-position relative to the azo which is also linked with D, an amino, an alkylamino of 1 to 4 carbon atoms or phenylamino unsubstituted or substituted by substituents selected from the group of substituents consisting of chlorine, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, sulfo and carboxy, or a hydroxy group, and which is further unsubstituted or additionally substituted by 1 or 2 sulfos or 1 alkyl of 1 to 4 carbon atoms, 1 nitro or 1 alkanoylamino of 2 to 5 C-atoms or additionally by 1 or 2 sulfos and 1 alkyl of 1 to 4 carbon atoms, 1 nitro or 1 alkanoylamino of 2 to 5 carbon atoms;
• the --SO.sub.2 --Y being mandatorily bonded to a carbon atom of an aromatic ring of D or of an aromatic ring of E or of a benzene ring of a substitutent of D;
• K is a 1-hydroxynaphthylene which contains the azo bonded in the 2-position, or is a 2-hydroxynaphthylene which contains the azo bonded in the 1-position, both of which arc otherwise unsubstituted or are further substituted by 1 or 2 sulfos or by 1 alkanoylamino of 2 to 5 carbon atoms which is unsubstituted or is substituted by chloro, bromo, sulfo, sulfato, carboxy or hydroxy or 1 benzoylamino or by 1 or 2 sulfos and 1 substituted alkanoylamino of 2 to 5 carbon atoms which is unsubstituted or is substituted by chloro, bromo, sulfo, sulfato, carboxy or hydroxy, or 1 benzoylamino, or
• K is a naphthylene which is unsubstituted or substituted by 1 or 2 sulfos, or by 1 or 2 sulfos and 1 unsubstituted or monosubstituted or disubstituted amino group, the substituents of the amino groups being selected from the group of substituents consisting of alkyl of 1 to 4 carbon atoms, hydroxylalkyl of 1 to 4 carbon atoms, carboxyalkyl of 2 to 5 carbon atoms, sulfoalkyl of 1 to 4 carbon atoms, sulfatoalkyl of 1 to 4 carbon atoms, cyanoalkyl of 2 to 5 carbon atoms, carbalkoxyalkyl having alkyls of 1 to 4 carbon atoms each, phenylalkyl having an alkyl group of 1 to 4 carbon atoms;
• the phenyl of said phenylalkyl being unsubstituted or substituted by one or more of the following:
• methyl, ethyl, methoxy, ethoxy, chlorine, sulfo, and carboxy;
• phenyl and phenyl which is substituted by one or more of the following:
• alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, chlorine, carboxy, 2nd sulfo;
• or
• K is a 1-aminonaphthylene which contains the azo bonded to its 2-position or is a 2-aminonaphthylene which contains the azo bonded to its 1-position, said aminonaphthylene radicals being unsubstituted or substituted by 1 or 2 sulfos or by 1 hydroxy in the 5-, 6-, 7- or 8-position or by this hydroxy and 1 or 2 sulfos, or
• K is a phenylene which is unsubstituted or is substituted by 1 or 2 substituents selected from the group of substituents consisting of 2 alkyls of 1 to 4 carbon atoms, 2 alkoxys of 1 to 4 carbon atoms, 2 chlorines, 1 bromine, 1 alkanoylamino of 2 to 5 carbon atoms which is unsubstituted or substituted by chloro, bromo, sulfo, sulfato, carboxy or hydroxy, 1 benzoylamino, 1 sulfo, 1 carboxy, 1 ureido, 1 phenylureido, 1 alkylsulfonylamino of 1 to 4 carbon atoms, 1 amino and 1 monosubstituted or disubstituted amino whose substituents are alkyl of 1 to 4 carbon atoms, hydroxylalkyl of 1 to 4 carbon atoms, carboxyalkyl of 2 to 5 carbon atoms, sulfoalkyl of 1 to 4 carbon atoms, sulfatoalkyl of 1 to 4 carbon atoms, cyanoalkyl of 2 to 5 carbon atoms, carbalkoxyalkyl having alkyls of 1 to 4 carbon atoms each, phenylalkyl having an alkyl group of 1 to 4 carbon atoms, the phenyl of said phenylalkyl being unsubstituted or substituted by methyl, ethyl, methoxy, ethoxy, hlorine, carboxy, sulfo or combinations thereof, phenyl and phenyl which is substituted by one or more of the more of the following:
• alkyl of 1 to 4 carbon atoms, chlorine, carboxy, and sulfo,
• Y is vinyl or .beta.-thiosulfatoethyl, .beta.-phosphatoethyl, .beta.-chloroethyl or .beta.-sulfatoethyl;
• Z is a radical of the formula ##STR22## in which R.sup.1 stands for hydrogen or alkyl of 1 to 4 carbon atoms unsubstituted or substituted by one or two substituents selected from the group consising of acetylamino, hydroxy, sulfato, alkoxy of 1 to 4 carbon atoms, sulfo and carboxy, wherein the two R.sup.1 s are identical to or different from each other,
• R denotes hydrogen or sulfo and
• Y has the above-mentioned meaning, and the two Ys are identical to or different from each other.