1.1: pyridine / dichloromethane / 15 h / 20 °C 1.2: 6 h / 2 °C 2.1: trifluorormethanesulfonic acid; methoxybenzene / nitromethane / 6 h / 50 °C 3.1: pyridine / 6 h / 0 - 20 °C 4.1: sodium tetrahydroborate / dimethyl sulfoxide / 3 h / 100 °C 5.1: 4-(N,N-dimethlyamino)pyridine; triethylamine / tetrahydrofuran / 3.5 h / 20 °C 6.1: methanol; caesium carbonate / 4 h / 20 °C 7.1: sodium periodate; ruthenium(III) chloride*(x)H2O / tetrachloromethane; water; acetonitrile / 8 h / 20 °C View Scheme