1,4-diaza-bicyclo[2.2.2]octane; Wilkinson's catalyst in ethanol; water; acetonitrile T=70°C; 6 h;

pinacol borane; 1,2-bis-(diphenylphosphino)ethane; [Ir(μ-Cl)(1,5-cyclooctadiene)]2 T=130°C; 4 h;

1: 35 percent / BrCCl3, 1-hydroxy-2-pyridinethion, dicyclohexylcarbodiimide, 4-(N,N-dimethylamino)pyridine / 2 h / 110 °C 2: 90 percent / (PPh3)3RhCl, DABCO / acetonitrile; H2O; ethanol / 6 h / 70 °C View Scheme

tetra(n-butyl)ammonium hydroxide in tetrahydrofuran; water T=20°C; 72 h;