caesium carbonate; N-[2'-(dicyclohexylphosphino)-1,1'-biphenyl-2-yl]-N,N-dimethylamine; tetrakis(triphenylphosphine) palladium(0) in ethanol; toluene T=120 - 150°C; 0.166667 h; microwave irradiation;

tris(dibenzylideneacetone)dipalladium (0); cesium fluoride in acetonitrile Ambient temperature;

1: 2,2'-dibromobiphenyl With n-butyllithium; N,N,N',N,-tetramethylethylenediamine in tetrahydrofuran T=-78°C; 1 h; 2: With anhydrous chromium(III) chloride in tetrahydrofuran T=20°C; 1 h; 3: tetrolic acid ethyl ester in tetrahydrofuran T=50°C; 24 h;

bis(η3-allyl-μ-chloropalladium(II)); cesium fluoride; tris-(o-tolyl)phosphine in acetonitrile T=0 - 60°C; 3 h;