Thanks to a productive interaction between reagent and substrate control, 2-alkenylsulfoximides 1 react to provide highly substituted pyrrolidine derivatives 2 enantiomerically pure and with defined absolute configuration at the newly formed stereogenic centers. Tol=tolyl, BOC=tert-butoxycarbonyl.
Keywords: Asymmetric synthesis; Heterocycles; Pyrrolidines; Samarium; Sulfoximines.
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