84. On the enantioselective olefin epoxidation by doubly bridged biphenyl azepines derivatives – mixed tropos/atropos chiral biaryls
    Jérôme Vachon, Samuel Rentsch, Alexandre Martinez, Claire Marsol, Jérôme Lacour
    Org. Biomol. Chem. 2007, 5, 501-506

Diastereomeric doubly bridged biphenyl azepines, atropos at 20 °C and tropos at 80 °C, are precursors to effective iminium organocatalysts that are employed in the enantioselective epoxidation of prochiral olefins (up to 85% ee).

DOI : 10.1039/b615797a 

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