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Dioxirane mediated asymmetric epoxidations: stereochemical studies via isotopic labeling
Authors:Nieto Natalia  Munslow Ian J  Barr Jonathan  Benet-Buchholz J  Vidal-Ferran Anton
Affiliation:Catalan Institution for Research and Advanced Studies (ICREA), Passeig Lluís Companys 23, 08018, Barcelona, Spain.
Abstract:A study, via isotopic labeling, of the stereoselective processes in a Shi-type epoxidation, has revealed that the chiral platform provided by the catalyst mediates the transfer of the pro-S "O" of the related dioxirane species to the alkene in a doubly stereoselective manner.
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