1.1: O3 / CH2Cl2 / 1 h / -78 °C 1.2: TPP / CH2Cl2 2.1: CH2Cl2 / 2 h / 20 °C 3.1: 81 percent / Mg / 3 h / 20 °C 4.1: 76 percent / LAH / tetrahydrofuran / 3 h / 0 - 20 °C 5.1: 80 percent / IBX / dimethylsulfoxide / 4 h / 20 °C 6.1: 81 percent / Ba(OH)2*8H2O / tetrahydrofuran; H2O / 5 h / 20 °C 7.1: 80 percent / HF*Py / tetrahydrofuran / 4 h / Heating 8.1: 70 percent / H2; HCl / Pd/C / ethanol; ethyl acetate; H2O / 10 h View Scheme