1.1: hydrogen; 10 Pd/C / ethyl acetate / 20 °C / 750.08 Torr 2.1: trimethylaluminum / dichloromethane; hexane / 0 - 20 °C / |Inert atmosphere 2.2: |Inert atmosphere 3.1: (R)-3,3′-bis[3,5-bis(trifluoromethyl)phenyl]-1,1′-binaphthyl-2,2′-diyl hydrogenphosphate / cyclohexane / 60 h / 20 °C / |Molecular sieve 4.1: hydrogen / acetone View Scheme