反应条件
1: hydrogenchloride / methanol; water / 1.17 h / 20 - 23 °C 2: manganese(IV) oxide; acetic acid / 1 h / 25 °C 3: sodium methylate / 1,4-dioxane / 0.5 h / 20 °C 4: hydrogenchloride / water; acetone / 5 h / |Reflux 5: thionyl chloride / 3.5 h / 20 - 79 °C 6: AlCl3, aluminium chloride / 1,2-dichloro-ethane / 4 h / 0 - 25 °C View Scheme