Selective Oxidation of Vinyl Ethers and Silyl Enol Ethers with Hydrogen Peroxide Catalyzed by Peroxotungstophosphate.


The oxidation of vinyl and silyl enol ethers with aqueous hydrogen peroxide was first achieved by the use of peroxotungstophosphate (PCWP) as the catalyst. For example, the oxidation of 1-ethoxy-1-octene with a stoichiometric amount of 35% H(2)O(2) in the presence of PCWP (0.5 mol %) in a mixed solvent of methanol and dichloromethane at room temperature… (More)


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