N. Khan et al., SYNTHESIS OF CYCLOPROPANATED DIMETHYL MERCAPTAL SULFOXIDE PYRANOSES FROM EPOXYTRIFLATE PYRANOSIDES AND METHYL METHYLTHIOMETHYL SULFOXIDE, Zeitschrift fur Naturforschung. B, A journal of chemical sciences, 51(10), 1996, pp. 1517-1520
The reaction of 4-O-triflyl-2-3-anhydropyranosides with methyl methylt
hiomethyl sulfoxide in the presence of n-BuLi or NaH affords 3,4-cyclo
propanated pyranosides via triflate substitution and subsequent intram
olecular epoxide opening.