1: hydrogen / Pd/C / ethanol / 3 h / 20 °C / 760 Torr 2: 84 mg / LiAlH4 / diethyl ether / 0.75 h / 0 - 20 °C 3: pyridinium chlorochromate; silica gel / CH2Cl2 / 0.5 h / 20 °C 4: 14 mg / (PPh3)3RhCl / benzene / 48 h / 120 - 130 °C 5: lithium; liq. ammonia / ethanol; tetrahydrofuran / 2.5 h 6: 147 mg / sulphuric acid / tetrahydrofuran; H2O / 0.83 h / 20 °C View Scheme

1: 84 mg / LiAlH4 / diethyl ether / 0.75 h / 0 - 20 °C 2: pyridinium chlorochromate; silica gel / CH2Cl2 / 0.5 h / 20 °C 3: 14 mg / (PPh3)3RhCl / benzene / 48 h / 120 - 130 °C 4: lithium; liq. ammonia / ethanol; tetrahydrofuran / 2.5 h 5: 147 mg / sulphuric acid / tetrahydrofuran; H2O / 0.83 h / 20 °C View Scheme

1: 98 percent / PhCH=RhCl2(PCy3)2 / CH2Cl2 / 4 h / 20 °C 2: hydrogen / Pd/C / ethanol / 3 h / 20 °C / 760 Torr 3: 84 mg / LiAlH4 / diethyl ether / 0.75 h / 0 - 20 °C 4: pyridinium chlorochromate; silica gel / CH2Cl2 / 0.5 h / 20 °C 5: 14 mg / (PPh3)3RhCl / benzene / 48 h / 120 - 130 °C 6: lithium; liq. ammonia / ethanol; tetrahydrofuran / 2.5 h 7: 147 mg / sulphuric acid / tetrahydrofuran; H2O / 0.83 h / 20 °C View Scheme

1: 95 mg / BF3*OEt2 / benzene / 12 h / 0 - 20 °C 2: Raney nickel / ethanol / 2 h / Heating 3: lithium; liq. ammonia / ethanol; tetrahydrofuran / 2.5 h 4: 147 mg / sulphuric acid / tetrahydrofuran; H2O / 0.83 h / 20 °C View Scheme

1: Raney nickel / ethanol / 2 h / Heating 2: lithium; liq. ammonia / ethanol; tetrahydrofuran / 2.5 h 3: 147 mg / sulphuric acid / tetrahydrofuran; H2O / 0.83 h / 20 °C View Scheme

1: lithium; liq. ammonia / ethanol; tetrahydrofuran / 2.5 h 2: 147 mg / sulphuric acid / tetrahydrofuran; H2O / 0.83 h / 20 °C View Scheme