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  • Transition Metal-Catalyzed ...
    Wender, Paul A; Dyckman, Alaric J

    Organic letters, 12/1999, Letnik: 1, Številka: 13
    Journal Article

    Studies on the stereo- and regioselectivity of rhodium(I)-catalyzed 5 + 2 cycloadditions of 2-substituted-1-vinylcyclopropanes are described. The relative stereochemistry of vicinal cyclopropane substituents is found to be conserved in these reactions, translating into distinct 1,4- or 1,5-stereorelationships in the cycloadducts. Exceptional regioselectivity in cyclopropane bond cleavage and even reversal of cleavage selectivity can be obtained through judicious selection of substituents and/or catalyst.