hydrogenchloride in 1,4-dioxane; methanol T=20°C; 0.333333 h; Inert atmosphere;

1.1: titanium tetraethoxide / dichloromethane / 0.08 h / |Inert atmosphere 1.2: 20 h / 20 °C / |Inert atmosphere 2.1: tetra-n-butylammonium acetate / tetrahydrofuran / -20 °C / |Inert atmosphere 3.1: hydrogenchloride / 1,4-dioxane; methanol / 0.33 h / 20 °C / |Inert atmosphere View Scheme