Process for the preparation of anthraquinoid disperse dyes and m

Details Process for the preparation of anthraquinoid disperse dyes and m Process for the preparation of anthraquinoid disperse dyes and m

1986-07-22

1988-10-11

Ceperley, Mary E.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D20956

Patent

active

047772662

ABSTRACT:
A process for the preparation of dyes of formula (1) as indicated in claim 1 or of mixtures of such dyes is described.
The dyes of formula (1) are obtained by reacting 1,4-diaminoanthraquinone-2,3-dicarboximide, or the corresponding monoimino compound, with an amine and in the absence of a solvent. Dye mixtures are prepared by subsequently partially transamidating the resultant product.

REFERENCES:
patent: 2753356 (1956-07-01), Laucius et al.
patent: 3450760 (1969-06-01), Hoffman et al.
patent: 3835154 (1974-09-01), Putzig
patent: 4491666 (1985-01-01), Niess et al.
patent: 4550178 (1985-10-01), Karlen et al.

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