Diastereoconversion of Threo 2-Amino Alcohols to Erythro Isomers Through a New Cyclocarbamation

Abstract
A diastereoconversion of threo 2-amino alcohols to erythro isomers was achieved by treatment of N-Boc derivatives with thionyl chloride or with methanesulfonyl chloride in the presence of triethylamine, hereby cis-4,5-disubstituted oxazolidin-2-ones being produced.
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