1: sodium acetate / benzene / 2 h / 80 °C 2: 90 percent / PPh3 / Pd2(DBA)3*CHCl3 / CH2Cl2 / 8 h / 0 °C 3: CeCl3; NaBH4 / methanol / 3 h / -78 °C 4: 89 percent / N-methylmorpholine; Ph3P; diethyl azodicarboxylate / o-nitrobenzenesulfonyl hydrazide / -30 - 20 °C 5: 91 percent / N-methylmorpholine N-oxide; OsO4 / H2O / 3 h / 0 °C 6: 83 percent / LiOH / methanol; H2O / 2 h / 20 °C View Scheme