Gold(I)-catalyzed stereoselective olefin cyclopropanation |
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| Authors: | Johansson Magnus J Gorin David J Staben Steven T Toste F Dean |
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| Affiliation: | Department of Chemistry, University of California, Berkeley, California 94720, USA. |
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| 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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