Monoazo dyes containing as the azo component A phenylsulfonylphe

Details Monoazo dyes containing as the azo component A phenylsulfonylphe Monoazo dyes containing as the azo component A phenylsulfonylphe

1986-07-15

1990-03-06

Higel, Floyd D.

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

Organic compounds

Azo

534643, 534739, 534740, 534750, 534771, 534783, 534790, 534794, 534826, 534845, 534876, 534882, C09B 29036, C09B 2908, C09B 4302, D06P 118

Patent

active

049067400

ABSTRACT:
The present invention relates to monoazo dyes which dye polyamide material with good light- and wet-fastness and which have the formula ##STR1## in which K is the radical of an amino- or alkoxy-benzene, amino- or alkoxy-naphthalene, naphthol, aminonaphthol, pyrazolone, aminopyrazole, indole, naphthimidazole, diphenylamine, tetrahydroquinoline or acetoacetamide and can be further substituted, R is hydrogen, halogen, C.sub.1-6 -alkyl, trifluoromethyl, carboxyl or a --SO.sub.2 --C.sub.1-6 --alkyl, --SO.sub.2 --R.sub.1, ##STR2## --CO--R.sub.4 group, in which R.sub.1 is a substituted or unsubstituted phenyl- or naphthyl-C.sub.1-4 -alkyl radical, R.sub.2 and R.sub.3 independently of one another are hydrogen or a substituted or unsubstituted C.sub.1-6 -alkyl or C.sub.5-7 -cycloalkyl radical and R.sub.4 is a substituted or unsubstituted phenyl radical, and X is hydrogen, C.sub.1-4 -alkyl, C.sub.1-4 -alkoxy or halogen, and in which R in formula (1) may not be hydrogen or chlorine if the radical --N.dbd.N--K is bonded to the phenyl ring in the o-position relative to the --SO.sub.2 -- group and K is the radical of an aminonaphthalenesulfonamide or a 2-amino-8-hydroxynaphthalene-6-sulfonic acid.

REFERENCES:
patent: 3417076 (1968-12-01), Sartori
patent: 3692769 (1972-09-01), Weaver et al.
patent: 4042580 (1977-08-01), Groebke
patent: 4046757 (1977-09-01), Meybeck et al.
patent: 4119624 (1978-10-01), Boyd et al.
patent: 4267104 (1981-05-01), Giles et al.
patent: 4582897 (1986-04-01), Mausezahl et al.
patent: 4602084 (1986-07-01), Hurter

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