Enantioselective Synthesis of Trifluoromethyl-Substituted Cyclopropanes
作者:Justin R. Denton、Dinesh Sukumaran、Huw M. L. Davies
DOI:10.1021/ol070714f
日期:2007.7.1
The reaction of 1-aryl-2,2,2-trifluorodiazoethanes with alkenes, catalyzed by the adamantylglycine-derived dirhodium complex Rh2(R-PTAD)4, generates trifluoromethyl-substitutedcyclopropanes with high diastereoselectivity (>94%) and enantioselectivity (88->98%).