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Synthesis and application of ethyl 3-(4-dialkylaminophenyl)-2-(quinoxalin-3(4H)-on-2-yl)propenoates and related products |
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| Authors: | D W Rangnekar V R Kanetkar G S Shankarling J V Malanker C R Shanbhag |
| Abstract: | Ethyl quinoxalin-3( 4 H)-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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