1: tetrahydrofuran / 12 h / Ambient temperature 2: m-CPBA / CH2Cl2 / a) 0 deg C, 2 h, b) RT, 12 h View Scheme

potassium hydroxide; pentan-1-ol

magnesium in methanol 6 h; Ambient temperature;

in tetrahydrofuran 12 h; Ambient temperature;

T=60°C; Rate constantMechanism;

1: 77 percent / 1.) CuI / tetrahydrofuran / 1.) -80 degC , 30 min, reflux, 12 h 2: 90 percent / CoCl2*6H2O, aq. H2SO4 / 0.5 h / Heating View Scheme

1: 1.) 20percent NaOH / 1.) EtOH, 50 deg C, 2.) EtOH, reflux, 2 h 2: 79 percent / NaNO2, 42percent AcOH / H2O / 0.17 h / 60 °C 3: 60 percent / H2 / PtO2 / methanol / 0.5 h / 2068.6 Torr 4: 64 percent / 1 h / Heating 5: 87 percent / 10percent NaOH / 0.33 h / Heating View Scheme