copper(l) iodide; tri-tert-butyl phosphine; tetra-(n-butyl)ammonium iodide; bis(benzonitrile)palladium(II) dichloride in triethylamine; N,N-dimethyl-formamide T=80°C; 1 h;

pyridine; potassium tert-butylate; copper(l) chloride in ethylene glycol dimethyl ether Heating;

pyridine; 2,4-di-Nitrobenzene; potassium tert-butylate; copper(l) chloride in ethylene glycol dimethyl ether Heating;