1.1: AlCl3, aluminium chloride / dichloromethane / 0.67 h / 0 °C 1.2: 5.5 h / -10 °C 2.1: triethylsilane / dichloromethane / 20 - 25 °C 2.2: 3 h / -10 - 0 °C 2.3: 2.16 h / 25 °C 3.1: potassium carbonate / methanol / 28 °C 3.2: 2.4 h / 15 - 25 °C 3.3: 2 h / 25 - 90 °C 4.1: hydrogenchloride / methanol; water / 5 h / 64 °C 4.2: 28 °C View Scheme
1.1: potassium carbonate / methanol / 30 °C 1.2: 1.67 h / 30 - 60 °C 2.1: sodium methylate / 4.5 h / 30 - 80 °C 2.2: 4.5 h / 80 - 100 °C 3.1: hydrogenchloride / methanol; water / 5 h / 64 °C 3.2: 28 °C View Scheme