Abstract
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 language | English |
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Pages (from-to) | 5297-5301 |
Number of pages | 5 |
Journal | Tetrahedron Letters |
Volume | 47 |
Issue number | 30 |
Early online date | 12 Jun 2006 |
DOIs | |
Publication status | Published - 24 Jul 2006 |