Water soluble phthalimide-azo-aniline dyes and mixtures thereof

Details Water soluble phthalimide-azo-aniline dyes and mixtures thereof Water soluble phthalimide-azo-aniline dyes and mixtures thereof

1986-08-28

1988-03-29

Higel, Floyd D.

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

Organic compounds

Azo

8639, 8641, 534640, 534778, 534780, 534783, 534789, 548475, C09B 2940, D06P 139, D06P 316, D06P 324

Patent

active

047344903

ABSTRACT:
Novel monoazo compounds of the formula I ##STR1## and mixtures of these compounds with one another are described. The substituents X, R, R.sub.1, R.sub.2 and R.sub.3 are defined as follows: R is a phenyl or naphthyl radical which is unsubstituted or substituted by C.sub.1 -C.sub.4 -alkyl, or is a cycloalkyl radical which is unsubstituted or substituted by C.sub.1 -C.sub.4 -alkyl, or is a C.sub.1 -C.sub.8 -alkyl radical which is unsubstituted or substituted by cyano, halogen, phenyl or sulfophenyl, or is a propenyl radical which is unsubstituted or substituted by halogen, X is hydrogen or halogen, R.sub.1 is hydrogen or a C.sub.1 -C.sub.4 -alkyl radical, R.sub.2 is C.sub.1 -C.sub.8 -alkyl radical, a C.sub.1 -C.sub.4 -sulfatoalkyl radical, a C.sub.1 -C.sub.4 -sulfoalkyl radical or a cycloalkyl radical and R.sub.3 is a C.sub.1 -C.sub.4 -alkyl radical, or is a cycloalkyl radical which is unsubstituted or substituted by C.sub.1 -C.sub.4 -alkyl, or is a ##STR2## radical, in which the phenyl radical can also be substituted, by --SO.sub.3 H, with the condition that the molecule contains a sulfo group in R, R.sub.2 or R.sub.3 or a sulfato group in R.sub.2.
The novel monoazo compounds are particularly suitable as dyes for dyeing and printing textile materials, in particular wool and polyamide.

REFERENCES:
patent: 3551407 (1970-02-01), Dehnert et al.
patent: 3876626 (1975-04-01), Bilingsfeld et al.
patent: 3980634 (1976-09-01), Weaver
patent: 4255326 (1981-03-01), Giles et al.
patent: 4267104 (1981-05-01), Giles et al.
Venkataraman, "The Chemistry of Synthetic Dyes", vol. III, pp. 312 to 327, Academic Press, New York, (1978).
Colour Index, 3rd Ed., vol. 4, pp. 4078 and 4081, (1971).

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