ruthenium trichloride; sodium periodate in tetrachloromethane; water; acetonitrile 6 h;

1.1: 76 mg / ruthenium(III) chloride hydrate; NaIO4 / CCl4; acetonitrile; H2O / 6 h 2.1: BBr3 / CH2Cl2 / 0.67 h / -78 - -40 °C 2.2: 50 percent / 37 percent hydrogen chloride / H2O / 1 h / Heating View Scheme

hydrogen; palladium on activated charcoal in methanol T=20°C; 3 h;