Abstract
A series of enantiomerically enriched 2-phosphonothiolane sulfoxides were obtained by diastereoselective S-oxidation combined with kinetic resolution using a chiral oxaziridine. Enantioselective oxidation of the corresponding 2-phosphono-2,3-didehydrothiolanes with the same oxidizing agent led to the corresponding sulfoxides with ee up to 98%.
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