caesium carbonate; 1,10-phenanthroline; [Cu(Phen)(PPh3)2]NO3 in toluene T=110°C; 24 h;

1,10-phenanthroline; Cu(acetate)2*(x)H2O; sodium acetate; palladium diacetate in 1,2-dichloro-ethane T=110°C; 24 h; Molecular sieve;

bis(η3-allyl-μ-chloropalladium(II)); N,N,N′,N′-tetra(diphenylphosphinomethyl)pyridine-2,6-diamine; caesium carbonate in N,N-dimethyl-formamide T=130°C; Sonogashira Cross-Coupling; 24 h; Schlenk techniqueInert atmosphere;

bis(η3-allyl-μ-chloropalladium(II)); N,N,N′,N′-tetra(diphenylphosphinomethyl)pyridine-2,6-diamine; caesium carbonate in N,N-dimethyl-formamide T=130°C; Sonogashira Cross-Coupling; 2 h; Schlenk techniqueInert atmosphere;

copper(l) iodide; Na2[PdCl4]; N,N,N',N,-tetramethylethylenediamine; cataCXium PIntB in tetrahydrofuran T=80°C; 5.5 h; Inert atmosphere;

1: caesium carbonate / N,N-dimethyl-formamide / 12 h / 110 °C / under air; sealed tube 2: potassium carbonate; palladium dichloride / N,N-dimethyl-formamide / 6 h / 130 °C / under air; sealed tube View Scheme