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  • Title: Catalytic enantioselective epoxidation of tertiary allylic and homoallylic alcohols.
    Author: Olivares-Romero JL, Li Z, Yamamoto H.
    Journal: J Am Chem Soc; 2013 Mar 06; 135(9):3411-3. PubMed ID: 23406082.
    Abstract:
    An efficient and versatile method for the enantioselective epoxidation of both tertiary allylic and homoallylic alcohols catalyzed by Hf(IV)-bishydroxamic acid (BHA) complexes is described. Asymmetric epoxidation, kinetic resolution, and desymmetrization have been developed, demonstrating the flexible nature of the Hf(IV)-BHA system. This is the first report in which these substrates were obtained with enantioselectivities of up to 99%.
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