Abstract
Abstract Fluorescent 2,3-disubstituted 6-aminoquinoxalines were synthesized by reaction of 2,3-dichloro-6-nitroquinoxaline with some nucleophiles and subsequent catalytic hydrogenation of the nitro group. Further, two of them were demonstrated to be new high-sensitive fluorescence derivatization reagents (1 fmol/1 μl injection volume) for long-chain carboxylic acids.
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