A new 1,2,3,4-tetrahydroquinoxaline derivative combining baicalein and 1,2-Diphenylethylenediamine (cas 16635-95-3) moieties: Structure and its fluorescence-based detection of nitroaromatics

Add time:08/14/2019    Source:sciencedirect.com

A new heterocyclic 1,2,3,4-tetrahydroquinoxaline derivative compound, named as (2R,3R)-5-hydroxy-2,3,8-triphenyl-3,4-dihydro-1H-pyrano[3,2-f]quinoxalin-10(2H)-one (A) has been obtanied from baicalein and 1,2,3,4-tetrahydroquinoxaline through a new and relatively straightforward crystallization approach. The compound A has been characterialzed by IR, 1H NMR, TGA and X-ray crystallography. The compound shows good photolumicent property and the ability to detect trace amounts of nitrobenzene, 2-nitrotoluene and 3-nitrotoluene.

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