Catalytic enantioselective oxaziridination |
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Authors: | Lykke Lennart Rodríguez-Escrich Carles Jørgensen Karl Anker |
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Institution: | Center for Catalysis, Department of Chemistry, Aarhus University, Aarhus C, Denmark. |
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Abstract: | The first catalytic enantioselective synthesis of oxaziridines is presented. The oxidation of aryl and alkyl aldimines with m-CPBA under organocatalytic conditions using cinchona alkaloid-derived catalysts furnished optically active oxaziridines in good yields and high enantioselectivities (up to 94% ee). Mechanistic investigations indicate a stepwise enantioselective oxidation process. |
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