hydrogenchloride in isopropyl alcohol T=80°C; 3 h;

hydrogenchloride; water T=65°C; 24 h;

1.1: anhydrous tetramethylammonium chloride; trichlorophosphate / 16 h / 130 °C 1.3: pH 7 - 8 2.1: (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride / toluene; 1,4-dioxane / 18 h / 75 °C / Inert atmosphere 3.1: hydrogenchloride; water / 24 h / 65 °C View Scheme

1: (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride / toluene; 1,4-dioxane / 18 h / 75 °C / Inert atmosphere 2: hydrogenchloride; water / 24 h / 65 °C View Scheme

1: iron (III) acetylacetonate / 1-methyl-pyrrolidin-2-one; tetrahydrofuran / -77 - 20 °C 2: hydrogenchloride / isopropyl alcohol / 3 h / 80 °C View Scheme

1: toluene / 28 h / 20 - 80 °C 2: iron (III) acetylacetonate / 1-methyl-pyrrolidin-2-one; tetrahydrofuran / -77 - 20 °C 3: hydrogenchloride / isopropyl alcohol / 3 h / 80 °C View Scheme