trichlorophosphate T=130°C; 1 h;

1: toluene-4-sulfonic acid / chloroform / 3 h / 0 - 20 °C 2: potassium acetate / dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II) dichloromethane adduct / 1,4-dioxane / 100 °C / Inert atmosphere 3: sodium carbonate / dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II) dichloromethane adduct / 1,4-dioxane; water / 100 °C / Inert atmosphere 4: toluene-4-sulfonic acid / methanol / 20 °C 5: triethylamine; methanesulfonyl chloride / 4-(N,N-dimethlyamino)pyridine / dichloromethane / 0 - 20 °C 6: trichlorophosphate / 1 h / 130 °C View Scheme

1: potassium acetate / dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II) dichloromethane adduct / 1,4-dioxane / 100 °C / Inert atmosphere 2: sodium carbonate / dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II) dichloromethane adduct / 1,4-dioxane; water / 100 °C / Inert atmosphere 3: toluene-4-sulfonic acid / methanol / 20 °C 4: triethylamine; methanesulfonyl chloride / 4-(N,N-dimethlyamino)pyridine / dichloromethane / 0 - 20 °C 5: trichlorophosphate / 1 h / 130 °C View Scheme

1: sodium carbonate / dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II) dichloromethane adduct / 1,4-dioxane; water / 100 °C / Inert atmosphere 2: toluene-4-sulfonic acid / methanol / 20 °C 3: triethylamine; methanesulfonyl chloride / 4-(N,N-dimethlyamino)pyridine / dichloromethane / 0 - 20 °C 4: trichlorophosphate / 1 h / 130 °C View Scheme

1: toluene-4-sulfonic acid / methanol / 20 °C 2: triethylamine; methanesulfonyl chloride / 4-(N,N-dimethlyamino)pyridine / dichloromethane / 0 - 20 °C 3: trichlorophosphate / 1 h / 130 °C View Scheme