Heavy metal-containing formazane dyes containing a fiber-reactive fluorotriazine group

摘要

Dyes of formula <IMAGE> (1) wherein D is the radical of a formazane dye of formula <IMAGE> (2) X is a group which is capable of complex formation, Z is a -NH2 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 -SO3H groups and the radicals of formula <IMAGE> (3)