S. S. Chunikhin, O. V. Ershov
Jul 1, 2021
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Journal
Russian Journal of Organic Chemistry
Abstract
Derivatives of ethyl 2-cyano-2-[3,4-dicyanopyridin-2(1H)-ylidene]acetate have been synthesized by reaction of 2-chloropyridine-3,4-dicarbonitriles with ethyl cyanoacetate. The synthesized compounds showed solid state fluorescence with the emission maxima located in the range λ 619–641 nm; the emission maxima in solution range from λ 392 to 486 nm, depending on the solvent.