1: sodium hydrogencarbonate; magnesium sulfate; sodium periodate; ruthenium trichloride / acetonitrile; tetrachloromethane; water / 2 h / 20 °C 2: 1,8-diazabicyclo[5.4.0]undec-7-ene / dimethyl sulfoxide / 1 h / 100 °C View Scheme