Catalytic asymmetric epoxidation of aliphatic enones using tartrate-derived magnesium alkoxidesElectronic supplementary information (ESI) available: conditions for enantiomeric purity determination for epoxyketones derived by di-tert-butyl tartrate mediated epoxidation. See http://www.rsc.org/suppdata/cc/b1/b109421a/

Abstract

Simple aliphatic enones can be converted into the corresponding epoxides in 71–93% ee using tert-butylhydroperoxide in the presence of a catalyst derived from dibutylmagnesium and di-tert-butyl tartrate.