SCHEDULED MAINTENANCE
In dimethyl sulphoxide (DMSO) solution, 2′-hydroxychalones react stereospecifically with mercury(II) acetate to give cyclic oxymercuration adducts (coumaranones) which are converted cleanly into (Z)-aurones by an E2-type oxidative-demercuration process.
M. F. Grundon, D. Stewart and W. E. Watts, J. Chem. Soc., Chem. Commun., 1975, 772 DOI: 10.1039/C39750000772
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