1.1: sodium hydride / tetrahydrofuran / 0.08 h / 20 °C 1.2: 58 percent / tetrahydrofuran / 0.33 h / Heating 2.1: 6 percent sodium amalgam; sodium phosphate / methanol / 1 h / 20 °C 3.1: 34 mg / ceric ammonium nitrate / acetonitrile; H2O / 5 h View Scheme

[Rh(cod)2][PF6]; 1,3-bis-(diphenylphosphino)propane in water; toluene T=110 - 115°C;