1.1: sodium periodate; ruthenium trichloride hydrate / acetonitrile; H2O; ethyl acetate / 4 h 2.1: 0.56 g / diethyl ether 3.1: 88 percent / m-chloroperbenzoic acid / CH2Cl2 / 48 h 4.1: 99 percent / methanol / 1.5 h / -78 °C 5.1: tri-n-butylphosphine / tetrahydrofuran / 2 h / 20 °C 6.1: 0.31 g / pyridine; hydrogen peroxide / tetrahydrofuran; H2O / -40 - 20 °C 7.1: DIBALH / toluene; tetrahydrofuran / 1 h / -78 °C 7.2: 44 percent / triethylsilane; boron trifluoride etherate / CH2Cl2 / 2.5 h / -78 °C 8.1: lithium hydroxide / tetrahydrofuran; H2O / 12 h / 20 °C 9.1: 15 mg / trifluoroacetic acid / CH2Cl2 / 2 h / Heating View Scheme