potassium hydroxide in ethanol; water T=50°C; 3 h;

1: sodium borohydride / methanol / 1.5 h / 0 °C 2: phosphorus tribromide / pyridine / diethyl ether; hexane / 2.5 h / 0 - 5 °C 3: diethyl ether; xylene / 48 h / 100 °C 4: 32.3 percent / butylene oxide / 12 h / 65 °C 5: 92 percent / potassium hydroxide / H2O; ethanol / 3 h / 50 °C View Scheme

1: phosphorus tribromide / pyridine / diethyl ether; hexane / 2.5 h / 0 - 5 °C 2: diethyl ether; xylene / 48 h / 100 °C 3: 32.3 percent / butylene oxide / 12 h / 65 °C 4: 92 percent / potassium hydroxide / H2O; ethanol / 3 h / 50 °C View Scheme

1: 32.3 percent / butylene oxide / 12 h / 65 °C 2: 92 percent / potassium hydroxide / H2O; ethanol / 3 h / 50 °C View Scheme

1: diethyl ether; xylene / 48 h / 100 °C 2: 32.3 percent / butylene oxide / 12 h / 65 °C 3: 92 percent / potassium hydroxide / H2O; ethanol / 3 h / 50 °C View Scheme

1: 32.3 percent / butylene oxide / 12 h / 65 °C 2: 92 percent / potassium hydroxide / H2O; ethanol / 3 h / 50 °C View Scheme