1.1: 9-BBN / tetrahydrofuran; pentane / 1 h / Heating 1.2: NaOH (6N); H2O2 (30percent) / 1 h / 35 °C 2.1: 70 percent / CBr4; PPh3 / tetrahydrofuran / 0.92 h / 20 °C View Scheme

chiral binaphthalenedioxaphoshepin derivative; hydrogen; [rhodium(I)(carbonyl)2(acetylacetonate)] in benzene T=60°C; 6 h;