hydrogen iodide; acetic acid

1: HCl 2: aqueous HI; acetic acid View Scheme

1: 1 h 2: sodium carbonate / 1,4-dioxane; water / 10 - 20 °C View Scheme

1: 4-(N,N-dimethlyamino)pyridine; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; triethylamine / N,N-dimethyl-formamide / 4 h 2: 1 h 3: sodium carbonate / 1,4-dioxane; water / 10 - 20 °C View Scheme

1: 4-(N,N-dimethlyamino)pyridine; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; triethylamine / N,N-dimethyl-formamide / 4 h 2: 1 h 3: sodium carbonate / 1,4-dioxane; water / 10 - 20 °C View Scheme