Exo-Selective Asymmetric Inverse-Electron Demand Hetero-Diels-Alder Reaction Catalyzed by Cu(II)-Hydroxy Oxazoline Ligands - Barba, Andrea; Barroso, Santiago; Blay, Gonzalo; Cardona, Luz; Melegari, Martina; Pedro, José R. (Synlett, 2011)