Heavy metal-containing formazane dyes containing a fiber-reactive fluorotriazine group
AssigneeCiba-Geigy Corporation
InventorsGert Hegar, Herbert Seiler
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Abstract
Dyes of formula ##STR1## wherein D is the radical of a formazane dye of formula ##STR2## X is a group which is capable of complex formation, Z is a --NH.sub.2 group, a substituted or unsubstituted aliphatic or aromatic amino group, n is 1 or 2 and m is an integer from 2 to 5, and the benzene rings A, B and C can contain further substituents in addition to the --SO.sub.3 H groups and the radicals of formula ##STR3##
Claims7
A dyestuff of the formula ##STR43## wherein the phenyl rings, A, B and C in addition to sulfo groups and the radical of the formula ##STR44## are unsubstituted or substituted by low-molecular alkyl, low-molecular alkoxy, halogen, low-molecular alkylsulfonyl and sulfamoyl and optionally contains a fused phenyl ring, X is hydroxy, carboxy or sulfo, Z is fluoro, --NH.sub.2, a mono- or dialkylamino group with at most 6 carbon atoms, which is unsubstituted or substituted by hydroxy and sulfo, N-methyl-N-phenylamino, N-sulfomethyl-N-phenylamino, phenylamino which is unsubstituted or substituted by sulfo, carboxy, methyl, sulfomethyl and chloro or naphthylamine, which is substituted by sulfo, morpholino or piperidino and m is a positive integer from 2 to 5.
The dye of formula ##STR45##
The dye of formula ##STR46##
Dependencies are inferred from the claim text.