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Synthesis of the spirocyclic center of fredericamycin a by phenoxy-enoxy radical coupling
Authors:Andrew S Kende  Frank H Ebetino  Toshiharu Ohta
Institution:Department of Chemistry, University of Rochester Rochester, NY 14627 USA
Abstract:Ferricyanide oxidation of the dianions of phenolic β-diketones 2 effects intramolecular phenoxy-enoxy radical coupling to form spiro systems derived from C-C bond formation para or ortho to the phenolic oxygen.
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