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  • Title: Gold(I)-catalyzed stereoselective olefin cyclopropanation.
    Author: Johansson MJ, Gorin DJ, Staben ST, Toste FD.
    Journal: J Am Chem Soc; 2005 Dec 28; 127(51):18002-3. PubMed ID: 16366541.
    Abstract:
    A triphenylphosphinegold(I)-catalyzed cyclopropanation of olefins using propargyl esters as gold(I)-carbene precursors is reported. This reaction provided the basis for the use of a DTBM-SEGPHOS gold(I) complex as a catalyst in the enantioselective (up to 94% ee) preparation of vinyl cyclopropanes with high cis-selectivity.
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