Water-insoluble azo colorants having two azo groups and a 1,4-bi

Details Water-insoluble azo colorants having two azo groups and a 1,4-bi Water-insoluble azo colorants having two azo groups and a 1,4-bi

1993-07-29

1995-06-27

Lee, Mary C.

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

Organic compounds

Azo

8506, 8508, 8513, 8687, 8919, 8924, 8928, 106 22K, 524 83, 524190, 534573, 534581, 534887, 534575, C09B 33153, C09B 6300, D06P 144, C09D 1102, C09D 1700

Patent

active

054281369

ABSTRACT:
Disazo compounds of the formula (I) ##STR1## in which R.sup.1 and R.sup.2 are identical or different and are a hydrogen or halogen atom or a C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.5 -alkoxycarbonyl, nitro, cyano or trifluoromethyl group and the rings A, B, C and D independently of one another are unsubstituted or contain one or more substituents from the group comprising C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, carboxyl, C.sub.1 -C.sub.5 -carbalkoxy, C.sub.2 -C.sub.5 -alkanoyl, benzoyl, acyloxy, acylamino, unsubstituted or N-mono- or N,N-disubstituted carbamoyl or unsubstituted or N-mono- or N,N-disubstituted sulfamoyl, possible substituents being C.sub.1 -C.sub.4 -alkyl or mono- to trisubstituted phenyl; C.sub.1 -C.sub.4 -alkylamino or phenylamino; C.sub.1 -C.sub.4 -alkylsulfonyl or phenylsulfonyl; phenylsulfonylamino; cyano; halogen, nitro and trifluoromethyl, are suitable for coloring naturally occurring and synthetic materials, for formulating enamels, emulsion paints and printing inks, for spin coloring artificial silk and for coloring paper.

REFERENCES:
patent: 3513154 (1970-05-01), Towle et al.
patent: 3801587 (1974-04-01), Loewe et al.
patent: 4234480 (1980-11-01), Kramer
Abstract of DE 2,125,193 (Nov. 30, 1972).

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