1: (R)-3,3′-bis[3,5-bis(trifluoromethyl)phenyl]-1,1′-binaphthyl-2,2′-diyl hydrogenphosphate; 2-(4-nitrophenyl)-2,3-dihydrobenzothiazole / dichloromethane / 24 h / 55 °C / Inert atmosphere 2: sulfuric acid; periodic acid / water; acetonitrile / 24 h / 20 °C View Scheme