Azo dyes having two monoazo-chromophores bound to a halotriaziny

Details Azo dyes having two monoazo-chromophores bound to a halotriaziny Azo dyes having two monoazo-chromophores bound to a halotriaziny

1995-11-21

1997-07-01

Higel, Floyd D.

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

Organic compounds

Azo

534588, 534600, 534637, 534638, 534782, 534845, 534862, 534878, C09B 6209, D06P 1382

Patent

active

056440405

ABSTRACT:
Azo dyes of the formula (1) ##STR1## in which R.sub.1 and R.sub.2 are hydrogen or C.sub.1 -C.sub.4 alkyl, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.2 -C.sub.4 alkanoylamino, ureido or halogen, X is chlorine or fluorine, B.sub.1 is phenyl, naphthyl or heterocyclic radical, and A.sub.1 is a radical of the formula (2) ##STR2## in which R.sup.7 is hydrogen, amino, N-mono- or N,N-di-C.sub.1 -C.sub.4 alkylamino or optionally substituted phenylamino and R.sub.8 is hydrogen or hydroxyl, or A.sub.1 is a radical of the formula (3) ##STR3## in which R.sub.9 is hydrogen, C.sub.1 -C.sub.8 alkyl or phenyl which is optionally substituted by C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.2 -C.sub.2 -C.sub.4 alkanoylamino, ureido, halogen or sulfo, R.sub.10 is hydrogen or C.sub.1 -C.sub.8 alkyl and R.sub.11 is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.2 -C.sub.4 alkanoylamino, ureido, halogen or sulfo, and the azo dyes of the formula (1) contain at least one and not more than two sulfo groups, with the proviso that the radical of the formula (2) is not 6-sulfonaphth-2-yl, are particularly suitable for dyeing or printing cellulosic fibre materials or naturally occurring or synthetic polyamide fibre materials.

REFERENCES:
patent: 3040021 (1962-06-01), Gunst
patent: 4542208 (1985-09-01), Odani et al.
patent: 4742160 (1988-05-01), Dore et al.
patent: 4997919 (1991-03-01), Schaulin
patent: 5006128 (1991-04-01), Pedrazzi
patent: 5328995 (1994-07-01), Schaulin et al.
Chemical Abstracts, 108 (18), 1988, 152086u Himeno (1988).
Chemical Abstracts, 106 (4), 1987, 19974z Hibara (1987).
Chemical Abstracts, 102, 1985, 222315v Ricoh (1985).

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