Ytterbium(III) Triflate as a Recyclable Catalyst for the Selective Atom Economic Oxidation of Benzyl Alcohols to Benzaldehydes

Anthony G. M. Barrett; D. Christopher Braddock; R. Murray McKinnell; Francis J. Waller

doi:10.1055/s-1999-2857

Synlett 1999; 1999(9): 1489-1490
DOI: 10.1055/s-1999-2857

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Ytterbium(III) Triflate as a Recyclable Catalyst for the Selective Atom Economic Oxidation of Benzyl Alcohols to Benzaldehydes

Anthony G. M. Barrett^* , D. Christopher Braddock, R. Murray McKinnell, Francis J. Waller

^*Department of Chemistry, Imperial College of Science, Technology and Medicine, South Kensington, London, UK SW7 2AY; E-mail: agmb@ic.ac.uk

Abstract

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Ytterbium(III) triflate (10 mol%) was found to catalyse the selective oxidation of a range of simple benzyl alcohols to benzaldehydes in good to excellent yield using a stoichiometric quantity of 69% nitric acid as the oxidant, and where the only by-products were water and oxides of nitrogen. The catalyst can be readily recovered and recycled by a simple evaporative process.

alcohols - aldehydes - catalysis - lanthanides - oxidations

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