Abstract: The present invention relates to dye mixtures comprising the dye C.I. Vat Red 13 and at least one dye selected from the group consisting of C.I. Vat Red 1, C.I. Vat Red 10, C.I. Vat Red 14, C.I. Vat Red 15, C.I. Vat Red 23 and C.I. Vat Red 32, their production and their use for dyeing and printing hydroxyl-containing materials.

Abstract: Sulfonyl compounds have the formula ##STR1## where n is 0, 1 or 2,Y is vinyl or a radical of the formula C.sub.2 H.sub.4 Q, where Q is hydroxyl or an alkali-detachable group,E is C.sub.3 -C.sub.6 -alkylene with or without interruption by 1 or 2 oxygen atoms in ether function,Ar is the radical of benzene or naphthalene, andR.sup.1, R.sup.2 and R.sup.3 are each hydrogen, unsubstituted or substituted C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkoxy, hydroxyl, halogen, nitro, amino, hydroxysulfonyl, carboxyl, carbamoyl, sulfamoyl, cyano or a radical of the formula (NH--).sub.m (CH.sub.2 --).sub.q SO.sub.2 --Y, where m is 0 or 1, q is 0, 2 or 3, and Y is as defined above.

Abstract: Reactive dyes of the formula I ##STR1## where a is 1 or 2,b is 0 or 1,Z.sup.1 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkoxy, halogen, nitro, amino, hydroxysulfonyl, C.sub.1 -C.sub.6 -alkoxycarbonyl, carbamoyl or C.sub.1 -C.sub.6 -mono- or dialkylcarbamoyl,A is methylene, carbonyl, sulfonyl or a radical of the formula CH.sub.2 --CO or CH.sub.2 --SO.sub.2,X is a direct linkage or a linker,Y.sup.1 is vinyl or a radical of the formula C.sub.2 H.sub.4 Q where Q is a group which can be eliminated under alkaline conditions,W is in case 1) the radical of a chromophore which may have further reactive groups, or in case 2) the radical of a coupling component to which additionally the radical of a diazo component may be linked via an azo bridge and which may have additional reactive groups, andL.sup.1 and L.sup.2 are each linkers,their intermediates and a process for dyeing or printing substrates having hydroxyl groups or nitrogen atoms using the novel dyes are described.

Abstract: Useful ureas have the formula ##STR1##

Abstract: Fiber-reactive formazan dyes are prepared by diazotizing a protectively formylated hydroxyphenylenediamine, coupling with a hydrazone compound, metallizing, eliminating the protective group, and reacting with a halotriazine and optionally thereafter with an amine or a hydroxy compound via novel aminophenol intermediates.

Abstract: Chloroethylsulfonylbenzaldehydes of the formula ##STR1## where n is 1 or 2 and the ring A may be substituted with halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkysulfonyl, nitro or hydroxysulfonyl, are prepared.

Abstract: There are described formazan dyes of the formula ##STR1## where m and n are each 1 or 2,Kat.sup..sym. is the equivalent of a cation,Me is copper or nickel,X is oxygen or a radical of the formula CO--O or SO.sub.2 --0,Y is vinyl or a radical of the formula C.sub.2 H.sub.4 --Q, wherein Q is a group that is detachable under alkaline reaction conditions,E is a fiber-reactive radical,the rings A and B may be substituted and benzofused, andthe ring C may be substituted,the use thereof for dyeing or printing hydroxyl- or nitrogen-containing organic substrates, novel aminophenols and a process for preparing same.

Abstract: There are described formazan dyes of the formula ##STR1## where m and n are each 1 or 2,Kat.sup..sym. is the equivalent of a cation,Me is copper or nickel,X is oxygen or a radical of the formula CO--O or SO.sub.2 --O,Y is vinyl or a radical of the formula C.sub.2 H.sub.4 --Q, wherein Q is a group that is detachable under alkaline reaction conditions,E is a fiber-reactive radical,the rings A and B may be substituted and benzofused, andthe ring C may be substituted,the use thereof for dyeing or printing hydroxyl- or nitrogen-containing organic substrates, novel aminophenols and a process for preparing same.

Abstract: There are described formazan dyes of the formula ##STR1## where m and n are each 1 or 2,Kat is the equivalent of a cation,Me is copper or nickel,X is oxygen or a radical of the formula CO-O or SO.sub.2 -O,Y is vinyl or a radical of the formula C.sub.2 H.sub.4 -Q, wherein Q is a group that is detachable under alkaline reaction conditions,E is a fiber-reactive radical,the rings A and B may be substituted and benzofused, andthe ring C may be substituted,the use thereof for dyeing or printing hydroxyl- or nitrogen-containing organic substrates, novel aminophenols and a process for preparing same.

Abstract: Fiber-reactive formazan dyes are prepared by diazotizing a protectively formylated hydroxyphenylenediamine, coupling with a hydrazone compound, metallizing, eliminating the protective group, and reacting with a halotriazine and optionally thereafter with an amine or a hydroxy compound via novel aminophenol intermediates.

Abstract: There are described formazan dyes of the formula ##STR1## where n is 1 or 2,Kat.cndot. is the equivalent of a cation,Me is copper or nickel,X is a radical of the formula CO-O or SO.sub.2 -O,Y is vinyl or a radical of the formula C.sub.2 H.sub.4 -Q, where Q is a group which is detachable under alkaline reaction conditions,the ring A may be substituted and benzofused,the ring B is substituted and may be benzofused, andthe ring C may be substituted,the use thereof for dyeing or printing hydroxyl- or nitrogen-containing organic substrates, and novel hydrazones.

Abstract: There are described formazan dyes of the formula ##STR1## where n is 1 or 2,Kat.sup..sym. is the equivalent of a cation,Me is copper or nickel,X is a radical of the formula CO--O or SO.sub.2 --O,Y is vinyl or a radical of the formula C.sub.2 H.sub.4 --Q, where Q is a group which is detachable under alkaline reaction conditions,the ring A may be substituted and benzofused, the ring B is substituted and may be benzofused, and the ring C may be substituted, the use thereof for dyeing or printing hydroxyl- or nitrogen-containing organic substrates, and novel hydrazones.

Abstract: Reactive dyes useful for dyeing or printing hydroxyl- or nitrogen-containing substrates have the formula ##STR1## where U is vinyl, propenyl or the radical of the formula ##STR2## in which Z.sup.1 is hydrogen or methyl and Z.sup.2 is a group which is detachable under alkaline reaction conditions,X isa) the radical of a chromophore orb) the radical of a coupling component to which may be additionally attached the radical of a diazo component via an azo linkage and which may contain an additional reactive group, andL isa) a bridge member of the formula ##STR3## where Q.sup.1 is hydrogen or C.sub.1 -C.sub.4 -alkyl, Q.sup.2 and Q.sup.3 are each independently of the other hydrogen or C.sub.1 -C.sub.4 -alkyl, and Q.sup.4 is a leaving group, orb) an azo linkage,the radical X-L being bonded to the benzene ring meta or para to the CH.sub.2 -SO.sub.3 H group,and their preparation may involve novel benzyl compounds as intermediates.

Abstract: Reactive dyes useful for dyeing or printing hydroxyl- or nitrogen-containing substrates have the formula ##STR1## where Rg is a radical of the formula ##STR2## Ar is the radical of a benzene or naphthalene ring, Z.sup.1 and Z.sup.2 are each hydrogen, substituted or unsubstituted C.sub.1 -C.sub.4 -alkyl, substituted or unsubstituted phenyl, C.sub.1 -C.sub.4 -alkoxy, carboxyl, C.sub.1 -C.sub.4 -alkoxycarbonyl, cyano, halogen or hydroxysulfonyl,Z.sup.3, Z.sup.4 and Z.sup.5 are each hydrogen, substituted or unsubstituted C.sub.1 -C.sub.4 -alkyl or substituted or unsubstituted phenyl,U is a group which is detachable under alkaline reaction conditions,X is in case a) the radical of a chromophore or in case b) the radical of a coupling component to which may additionally be attached, via an azo bridge, the radical of a diazo component and which may have additional reactive groups, andL is in case a) a bridge member or in case b) an azo bridge.

Abstract: Sulfonyl compounds of the formula ##STR1## where Ar is the radical of a benzene or naphthalene ring,R.sup.1 and R.sup.2 are each hydrogen, substituted or unsubstituted C.sub.1 -C.sub.4 -alkyl, substituted or unsubstituted phenyl, C.sub.1 -C.sub.4 -alkoxy, carboxyl, C.sub.1 -C.sub.4 -alkoxycarbonyl, cyano, halogen or hydroxysulfonyl,R.sup.3 is nitro, amino, C.sub.1 -C.sub.4 -alkanoylamino or benzoylamino, andR.sup.4 is a radical of the formula ##STR2## where X.sup.1, X.sup.2 and X.sup.3 are each hydrogen, substituted or unsubstituted C.sub.1 -C.sub.4 -alkyl or substituted or unsubstituted phenyl, andX.sup.4 is a group which is detachable under alkaline conditions,either in the free form or in the form of their salts, are useful for synthesizing reactive dyes.

Abstract: Double attachment reactive dyes have the formula ##STR1## where U.sup.1 is C.sub.1 -C.sub.4 -alkyl, phenyl, C.sub.2 -C.sub.10 -alkenyl or the radical ##STR2## where Q.sup.1 and Q.sup.2 are each independently of the other hydrogen or C.sub.1 -C.sub.4 -alkyl and Q.sup.3 is a group which is detachable under alkaline reaction conditions,Z is the radical ##STR3## where each Q.sup.4 is independently of the other hydrogen or C.sub.1 -C.sub.4 -alkyl which may be substituted by cyano, U.sup.2 is C.sub.1 -C.sub.4 -alkyl, phenyl, C.sub.2 -C.sub.10 -alkenyl or the radical ##STR4## where Q.sup.5 and Q.sup.6 are each independently of the other hydrogen or C.sub.1 -C.sub.4 -alkyl and Q.sup.7 is a group which is detachable under alkaline reaction conditions, and w is 0, 1 or 2,t is 0, 1 or 2,v is 1 or 2 and X and L are each as defined in the description, with the proviso that at least one of the two radicals U.sup.1 and U.sup.2 is not C.sub.1 -C.sub.

Abstract: Triphendioxazine dyes suitable for dyeing or printing hydroxyl- or amido-containing substrates have the formula ##STR1## where n is 0 or 1,m is 1 or 2,R.sup.1 and R.sup.2 are each independently of the other hydrogen, chlorine, bromine, hydroxysulfonyl, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, substituted or unsubstituted phenyl or substituted or unsubstituted phenoxy,R.sup.3 is halogen, carboxyl, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, vinylsulfonyl or the radical --SO.sub.2 --CH.sub.2 CH.sub.2 --Z, where Z is a leaving group, andQ.sup.1 and Q.sup.2 are each independently of the other a radical of the formula ##STR2## where R.sup.4 and R.sup.5 are each independently of the other hydrogen, C.sub.1 -C.sub.4 -alkyl or phenyl,R.sup.6 is hydrogen or a fiber-reactive radical,L.sup.1 and L.sup.2 are each independently of the other substituted or unsubstituted C.sub.2 -C.sub.8 -alkylene or phenylene,X is a chemical bond, oxygen, sulfur, imino, C.sub.1 -C.sub.