1: With sodium hypobromide; water in 1,4-dioxane T=0 - 20°C; 7 h; 2: With hydrogenchloride in water pH=2 - 3; Product distribution / selectivity;

1.1: sodium periodate; water / RuCl3 monohydrate / tetrachloromethane; acetonitrile / 12 h / 0 - 20 °C 2.1: 4-(N,N-dimethlyamino)pyridine; dicyclohexyl-carbodiimide / tetrahydrofuran / 36 h / 20 °C / Cooling with ice 3.1: water; sodium hypobromide / 1,4-dioxane / 7 h / 0 - 20 °C 3.2: pH 2 - 3 View Scheme