1: 1-fluoro-3,5-dichlorobenzene With magnesium; ethylene dibromide; lithium chloride in tetrahydrofuran T=25°C; 0.75 h; 2: With zinc(II) chloride in tetrahydrofuran T=25°C; 3: 1-cyano-3-iodobenzene With trifuran-2-yl-phosphane; bis(dibenzylideneacetone)-palladium(0) in tetrahydrofuran T=25°C; 2 h;