[Ni0(1,5-cyclooctadiene)2]; tri-cyclo-hexyl-phosphine in toluene T=160°C; 20 h; Inert atmosphere;

1.1: trifluoromethanesulfonic anhydride; 2-chloropyridine / CH2Cl2 / -78 - 0 °C 1.2: 96 percent / CH2Cl2; tetrahydrofuran / -78 - 0 °C 2.1: 91 percent / ammonium hexafluorophosphate; 2-dicyclohexylphosphino-2',6'-dimethoxy-1,1'-biphenyl / CpRuCl(PPh3)2 / toluene / 105 °C View Scheme

tetrahydrofuran; samarium diiodide in dichloromethane T=20°C;

diethyl ether

sodium hydroxide; ethanol

beim Erhitzen ueber den Schmelzpunkt;