Enantioselective olefin epoxidation using homologous amine and iminium catalysts—a direct comparison

Maria-Héléna Goncalves, Alexandre Martinez, Stéphane Grass, Philip C. Bulman Page, Jérôme Lacour

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Homologous biphenyl and (diastereomeric) binaphthyl tertiary azepines and quaternary iminium salts were prepared from (+)-(S,S)-L-acetonamine. Both the amines and iminium ions behave as effective catalysts for the enantioselective epoxidation of unfunctionalized olefins (ee up to 83%).
Original languageEnglish
Pages (from-to)5297-5301
Number of pages5
JournalTetrahedron Letters
Issue number30
Early online date12 Jun 2006
Publication statusPublished - 24 Jul 2006

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