Heavy metal complex azo dyes containing a benzothiophene-1,1-dio

Details Heavy metal complex azo dyes containing a benzothiophene-1,1-dio Heavy metal complex azo dyes containing a benzothiophene-1,1-dio

1988-02-01

1990-10-02

Higel, Floyd D.

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

534622, 534627, 534628, 534629, 534696, 534697, 534698, 534703, 534602, C09B 4506, C09B 4516, D06P 110, D06P 332

Patent

active

049608703

ABSTRACT:
The heavy metal complex dyes of azo or azomethine dyes of the formula ##STR1## in which D is the radical of a dizao component of the benzene, naphthalene or heterocyclic series, K--OH is the radical of the formula ##STR2## in which the symbols A, A', B and B' each represent a carbon atom or in which one of the symbols A, A', B or B' represents a nitrogen atom while the others represent a carbon atom, R is hydrogen, substituted or unsubstituted C.sub.1 -C.sub.4 alkyl or substituted or unsubstituted phenyl, and the ring E can be further substituted, Y is a nitrogen atom or a CH group, and n is 0 or 1, and in which --(CO).sub.n --OH is bonded to D in a position adjacent to --N.dbd.Y--, produce dyeings having good fastnesses particular very good crock, wet, wet crock and light fastness on nitrogen-containing or hydroxyl-containing fibre materials.

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