Abstract: Reactive dyes of the formula ##STR1## where l is 0 or 1,n is 0 or 1,E is nitrogen or C--ClA is the radical of an azo dye attached to the triazine ring via an imino or C.sub.1 -C.sub.4 -alkylimido group,B--if E is nitrogen--is the radical of an azo dye or of a formazan dye which in either case is bonded to the triazine ring via an imino of C.sub.1 -C.sub.4 -alkylimino group or else--if n is 0--is fluorine, chlorine or unsubstituted or substituted amino, or--if E is C--Cl--is fluorine, chlorine or methyl,X.sup.1 and X.sup.2 are independently of the other fluorine or chlorine,X.sup.3 is fluorine or chlorine or else--if E is C--Cl--methylsulfonyl andZ.sup.1 and Z.sup.2 are independently of the the other a radical of the formula ##STR2## where L.sup.3 and L.sup.4 are independently of the other hydrogen or unsubstituted or substituted C.sub.1 -C.sub.4 -alkyl,with the proviso that l and n are not simultaneously 0 and that, if E is C--Cl or if n is 0 and Z.sup.1 is the radical of the formula ##STR3## where L.sup.

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: 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: Reactive dyes of the formula ##STR1## where n is 1 or 2,X is a six-membered halogen-containing nitrogen heterocycle,L.sup.1, depending on n, is fluorine, chlorine, C.sub.1 -C.sub.4 -alkoxy, phenoxy, C.sub.1 -C.sub.4 -alkyl, substituted or unsubstituted phenyl or a bridge member which has one or two hydroxysulfonyl groups,D is the radical of a diazo component of the aniline or naphthalene series which has at least one hydroxysulfonyl group,L.sup.2 is hydrogen or substituted or unsubstituted C.sub.1 -C.sub.8 -alkyl,L.sup.3 is the cationic radical of an aromatic heterocycle which is linked to the pyridone ring via a nitrogen atom, andL.sup.4 is hydrogen or C.sub.1 -C.sub.4 -alkyl,with the proviso that the number of hydroxysulfonyl groups in the molecule exceeds that of the cationic groups by at least one, are useful for dyeing and printing hydroxyl- or nitrogen-containing substrates.

Abstract: Reactive dyes of the formula ##STR1## where 1 is 0 or 1,n is 0 or 1,E is nitrogen or C--Cl,A is the radical of an azo dye attached to the triazine ring via an imino or C.sub.1 -C.sub.4 -alkylimino group,B--if E is nitrogen--is the radical of an azo dye or of a formazan dye which in either case is bonded to the triazine ring via an imino or C.sub.1 -C.sub.4 -alkylimino group or else--if n is 0--is fluorine, chlorine or unsubstituted or substituted amino, or --if E is C--C1--is fluorine, chlorine or methyl,X.sup.1 and X.sup.2 are independently of the other fluorine or chlorine,X.sup.3 is fluorine or chlorine or else--if E is C--Cl--methylsulfonyl andZ.sup.1 and Z.sup.2 are independently of the other a radical of the formula ##STR2## where L.sup.3 and L.sup.4 are independently of the other hydrogen or unsubstituted or substituted C.sub.1 -C.sub.4 -alkyl,with the proviso that l and n are not simultaneously 0 and that, if E is C--Cl or if n is 0 and Z.sup.1 is the radical of the formula ##STR3## where L.sup.