triethylamine T=20°C; 20 h;

potassium acetate in tert-butyl alcohol T=90°C; 3 h; Inert atmosphere;

CM-phos; palladium diacetate; potassium carbonate in water; tert-butyl alcohol T=80°C; 18 h; Inert atmosphere;

1,1'-bis-(diphenylphosphino)ferrocene; potassium phosphate; n-butyllithium; 1,1'-bis(diphenylphosphanyl)ferrocenenickel(II) chloride; potassium iodide 1.) toluene, room temperature, 30 min, 2.) toluene, 80 deg C, 16 h; Yield given. Multistep reaction;

bis(1,5-cyclooctadiene)nickel (0); potassium phosphate; tri-cyclo-hexyl-phosphine in tetrahydrofuran T=25°C; 4 h; Inert atmosphere;

NiCl2((PPh3)P)2; tetraethylammonium iodide; zinc in tetrahydrofuran 1.) r.t., 5 min, 2.) 67 deg C, 10 h;

bis(1,5-cyclooctadiene)nickel (0); potassium phosphate; tri-cyclo-hexyl-phosphine in tetrahydrofuran T=25°C; 4 h; Inert atmosphere;