1: [[(η6-p-cymene)((1S,2S)-N-p-toluenesulfonyl-1,2-diphenylethylenediamine)]Ru]; formic acid; triethylamine / N,N-dimethyl-formamide / 20 °C 2: water; sodium hydroxide / ethanol / 3 h / 20 °C 3: thionyl chloride / dichloromethane / 1.5 h / 0 - 20 °C 4: sodium hydrogencarbonate / dichloromethane / 1.5 h / 20 °C 5: hydrogenchloride / water; ethanol / 2 h / |Reflux View Scheme

1: water; sodium hydroxide / ethanol / 3 h / 20 °C 2: thionyl chloride / dichloromethane / 1.5 h / 0 - 20 °C 3: sodium hydrogencarbonate / dichloromethane / 1.5 h / 20 °C 4: hydrogenchloride / water; ethanol / 2 h / |Reflux View Scheme

1: thionyl chloride / dichloromethane / 1.5 h / 0 - 20 °C 2: sodium hydrogencarbonate / dichloromethane / 1.5 h / 20 °C 3: hydrogenchloride / water; ethanol / 2 h / |Reflux View Scheme

1: lithium aluminium tetrahydride / tetrahydrofuran / 2 h / |Reflux 2: ethanol / 14 h / |Reflux 3: pyridine / dichloromethane / 1.5 h / 0 - 20 °C 4: trichlorophosphate / acetonitrile / 1 h / |Reflux; |Inert atmosphere 5: [[(η6-p-cymene)((1S,2S)-N-p-toluenesulfonyl-1,2-diphenylethylenediamine)]Ru]; formic acid; triethylamine / N,N-dimethyl-formamide / 20 °C 6: water; sodium hydroxide / ethanol / 3 h / 20 °C 7: thionyl chloride / dichloromethane / 1.5 h / 0 - 20 °C 8: sodium hydrogencarbonate / dichloromethane / 1.5 h / 20 °C 9: hydrogenchloride / water; ethanol / 2 h / |Reflux View Scheme