1: With triethylamine in tetrahydrofuran; water T=20°C; 17 h; 2: With iodine in tetrahydrofuran; water T=0°C; 2.58333 h; 3: With hydrogenchloride in tetrahydrofuran; water

hydrogenchloride in 1,4-dioxane T=90°C; Elimination; 3 h;

1: 90.3 percent / propan-1-ol / 1 h / 100 °C 2: 87 percent / HCl / dioxane / 3 h / 90 °C View Scheme