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  • Title: Vanadium-catalyzed asymmetric oxidation of alpha-hydroxy esters using molecular oxygen as stoichiometric oxidant.
    Author: Radosevich AT, Musich C, Toste FD.
    Journal: J Am Chem Soc; 2005 Feb 02; 127(4):1090-1. PubMed ID: 15669834.
    Abstract:
    A vanadium-catalyzed method for the oxidative kinetic resolution of alpha-hydroxyesters, using oxygen as the terminal oxidant, is described. The catalyst is generated in situ from vanadium(V) tri-iso-propoxyoxide in combination with a tridentate ligand derived from 3,5-di-tert-butylsalicylaldehyde and (S)-tert-leucinol. The reaction allows for the enantioselective synthesis of both aromatic and aliphatic secondary alcohols, including those containing olefins and alkynes.
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