Abstract
In the presence of sodium iodate and pyridine, several 5,6-dihydroxylated benzo[ b]furan derivatives were synthesized via oxidation–Michael addition of β-dicarbonyl compounds with catechols in a one-pot procedure. The final products were confirmed by ESMS, NMR, and single-crystal X-ray diffraction study. The mechanism different from that of electrochemical methods was proposed based on DFT calculation.
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