1: hydrogenchloride / 1,4-dioxane / 54 h / 20 - 50 °C 2: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 21 h / 20 °C 3: trichlorophosphate / 2 h / 20 °C / Inert atmosphere 4: hydrogenchloride; water / tetrahydrofuran / 24 h / 60 °C View Scheme

1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 21 h / 20 °C 2: trichlorophosphate / 2 h / 20 °C / Inert atmosphere 3: hydrogenchloride; water / tetrahydrofuran / 24 h / 60 °C View Scheme

1: trichlorophosphate / 2 h / 20 °C / Inert atmosphere 2: hydrogenchloride; water / tetrahydrofuran / 24 h / 60 °C View Scheme