作者:Magnus J. Johansson、David J. Gorin、Steven T. Staben、F. Dean Toste
DOI:10.1021/ja0552500
日期:2005.12.1
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.