Abstract
Ethyl quinoxalin-3(4H)-on-2-ylacetate was prepared by the condensation of 1,2-diaminobenzene and diethyl oxalacetate (sodium salt). The key quinoxaline intermediate was condensed with a variety of 4-dialkylaminobenzaldehydes/substituted benzaldehydes to yield novel brilliant quinoxalin-2-yl styryl dyes which were applied on polyester fibers as disperse dyes and their dyeing properties were studied.
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