hydrogenchloride T=100°C; 1 h; Yield given;

1: 59 percent / tetrahydrofuran; H2O / Ambient temperature 2: 3-methyl-butan-1-ol / 4 h / Heating 3: 10 percent hydrochloric acid / 1 h / 100 °C View Scheme

1: 3-methyl-butan-1-ol / 4 h / Heating 2: 10 percent hydrochloric acid / 1 h / 100 °C View Scheme

1: sodium ethylate 2: phosphorous oxychloride 3: 59 percent / tetrahydrofuran; H2O / Ambient temperature 4: 3-methyl-butan-1-ol / 4 h / Heating 5: 10 percent hydrochloric acid / 1 h / 100 °C View Scheme

1: phosphorous oxychloride 2: 59 percent / tetrahydrofuran; H2O / Ambient temperature 3: 3-methyl-butan-1-ol / 4 h / Heating 4: 10 percent hydrochloric acid / 1 h / 100 °C View Scheme