Azo dyes having a 3-cyano- or 3-carbamoyl-2,6-diamino-pyridine c

Details Azo dyes having a 3-cyano- or 3-carbamoyl-2,6-diamino-pyridine c Azo dyes having a 3-cyano- or 3-carbamoyl-2,6-diamino-pyridine c

1976-10-01

1979-03-27

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260152, 260205, 2602071, 8 21C, 8 41R, 8 41C, 8 542, 546289, C09B 2936, C09B 3114

Patent

active

041465350

ABSTRACT:
Dye formulations for dyeing and printing cellulose and cellulosic textile material which in addition to conventional components contain a dye of the general formula (I): ##STR1## in which D is the radical of a diazo component;
R is hydrogen, C.sub.1 to C.sub.7 alkyl, phenyl or phenyl bearing methyl as a substituent;
X is cyano, carbamoyl or substituted carbamoyl;
R.sup.1 is hydrogen or an aliphatic, cycloaliphatic, araliphatic or aromatic radical;
R.sup.2 is hydrogen or an aliphatic, cycloaliphatic or araliphatic radical;
R.sup.3 and R.sup.4 independently of one another have the same meanings as R.sup.1 and R.sup.2 ; and
R.sup.1 --n--r.sup.2 and R.sup.3 --N--R.sup.4 independently of one another are saturated heterocyclic radicals.

REFERENCES:
patent: 3853895 (1974-12-01), Lamm et al.
patent: 3998802 (1976-12-01), Dehnert et al.
patent: 4042578 (1977-08-01), Dehnert et al.

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