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NHC ligands 3 and 4 have been extensively studied in both coppercatalyzed Asymmetric Allylic Alkylation (AAA) and rutheniumcatalyzed Asymmetric Olefin Metathesis (AOM):
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9
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SIMes-leucinol (2a) and its SIPr analogue have recently been used in the copper-catalyzed Asymmetric Allylic Alkylation (AAA) with up to 96% ee's: Jennequin, T.; Daubignard, J.; Wencel, J.; Crévisy, C.; Mauduit, M. École Nationale Supérieure de Chimie de Rennes, Rennes, France. Unpublished work, 2008.
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