New chiral auxiliaries for highly stereoselective asymmetric methoxyselenenylations.
Replacement of the 2-keto group of readily available di(endo-3-camphoryl) diselenide with oxime or O-benzoyloxime substituents, followed by conversion into the corresponding selenenyl triflates, produced highly effective chiral selenium electrophiles for the asymmetric oxyselenenylation of alkenes in the presence of methanol.
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Department of Chemistry, University of Calgary, Calgary, Alberta, Canada T2N 1N4. tgback@ucalgary.ca
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