1.1: (tricyclohexylphosphine)(1,5-cyclooctadiene)pyridineiridium(I) hexafluorophosphate; hydrogen / dichloromethane / 15 h / 3620.13 Torr / Inert atmosphere 2.1: hydrogenchloride / tetrahydrofuran / 8 h / 20 °C / Inert atmosphere 3.1: sodium hexamethyldisilazane / tetrahydrofuran / 0.5 h / 0 °C / Inert atmosphere 3.2: 18 h / 25 °C / Inert atmosphere 4.1: rhodium(III) trichloride hydrate / ethanol / 18 h / Inert atmosphere; Reflux 5.1: tetrapropylammonium perruthennate; 4-methylmorpholine N-oxide / dichloromethane / 15 h / 25 °C / Inert atmosphere View Scheme