Chelating Hydroxyalkyl NHC as Efficient Chiral Ligands for Room-Temperature Copper-Catalyzed Asymmetric Allylic Alkylation - Jennequin, Thomas; Wencel-Delord, Joanna; Rix, Diane; Daubignard, Julien; Crévisy, Christophe; Mauduit, Marc (Synlett, 2010)