1: 6.3 percent / BF3-etherate / CH2Cl2 / 1.5 h 2: 79 percent / H2 / PtO2 / ethanol / 10 h / 760 Torr / Ambient temperature 3: 48 percent / RuO2*xH2O/NaIO4 / CCl4 / 2.5 h / 20 °C 4: 5 mg / K2CO3 / m-xylene / 5 h / Heating 5: diisopropylamine/n-BuLi / hexane; tetrahydrofuran / 1.5 h 6: NaIO4 / CH2Cl2; H2O / 0.58 h / Ambient temperature 7: toluene / 5 h / Heating 8: 77 percent / DIBAL / tetrahydrofuran / 20 h View Scheme