6-Styrylquinoxalines, and their use as fluorescent brighteners

Details 6-Styrylquinoxalines, and their use as fluorescent brighteners 6-Styrylquinoxalines, and their use as fluorescent brighteners

1981-04-16

1982-08-24

Demers, Arthur P.

Compositions

Organic luminescent material containing compositions

Optical brightening compositions

542427, 542447, 542454, 544353, C07D40300

Patent

active

043460160

ABSTRACT:
6-Styrylquinoxalines of the formula ##STR1## in which R and R.sub.1 independently of one another are hydrogen, alkyl, aryl or aryloxy which is unsubstituted or substituted by non-chromophoric substituents, alkoxy, alkoxyalkoxy or phenylthio, R.sub.2 is hydrogen or alkyl and R.sub.3 is cyano or a group of the formula ##STR2## in which R.sub.4 is alkoxy, alkoxyalkoxy, acyloxyalkoxy, ##STR3## These new compounds are suitable for the fluorescent brightening of organic materials of high molecular weight, in particular for brightening polyester textiles and polyester spinning compositions.

REFERENCES:
patent: 3684729 (1972-08-01), Tuite
patent: 3697513 (1972-10-01), Siegrist
patent: 4184977 (1980-01-01), Eckstein et al.
Manecke et al., Chem. Abstracts 80 (1974), #60236x.

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