Abstract
A highly diastereoconvergent synthesis of chiral sulfoxides containing vicinal amino alcohol framework has been achieved in moderate to good yield with up to 99:1 dr. Different from the previous work, the stereochemistry of the new chiral center was determined solely by the configuration of benzyl tert-butyl sulfoxide, while both the chiral sulfinyl group and the tert-butyldimethylsilyl ether (α-OTBS) group at the α-position of imine were not involved in the stereo induction. This approach also provides an efficient synthesis of chiral building blocks of pyrrolidinones.
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