Disazo dyestuffs having an acylamino group and an aromatic-oxy g

Details Disazo dyestuffs having an acylamino group and an aromatic-oxy g Disazo dyestuffs having an acylamino group and an aromatic-oxy g

1980-11-03

1982-08-17

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260174, 260177, 260184, 260185, 260186, 260187, 260191, C07C10704, C09B 43128, C09B 43132, C09B 4328

Patent

active

043448801

ABSTRACT:
Disazo dyes of the general formula I ##STR1## where R is an araliphatic or aromatic radical, X.sup.1 is ##STR2## X.sup.2 is hydrogen, phenyl or an aliphatic or araliphatic radical, R.sup.1 is hydrogen or an aliphatic, cycloaliphatic, araliphatic or aromatic radical, the rings A, B and C may be substituted and the rings B and C may carry a fused benzo ring, and the group ##STR3## may also be a heterocyclic radical of the formula ##STR4## The novel dyes are very suitable for dyeing polyesters and cellulose.

REFERENCES:
patent: 2563091 (1951-08-01), Wright
patent: 3451991 (1969-06-01), Kleiner
patent: 3904596 (1975-09-01), Blackwell et al.

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