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  • Title: Catalytic asymmetric conjugate boration of α,β-unsaturated sulfones.
    Author: Moure AL, Arrayás RG, Carretero JC.
    Journal: Chem Commun (Camb); 2011 Jun 21; 47(23):6701-3. PubMed ID: 21584290.
    Abstract:
    The α,β-unsaturated sulfones are suitable activated olefins in catalytic asymmetric conjugate β-boration. These substrates undergo smooth conjugate addition of bis(pinacolato)diboron [B(2)(pin)(2)] catalyzed by nonracemic Cu(I)-diphosphine complexes to provide, upon subsequent oxidation, β-hydroxy sulfones in good yields and high enantiocontrol.
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