1: 4-bromo-3-methyl-benzoic acid methyl ester With tetrakis(triphenylphosphine) palladium(0) in toluene T=20°C; 1 h; 2: (4-cyano-phenyl)boronic acid With sodium carbonate; lithium chloride in ethanol; water; toluene T=20°C; 50 h; Heating / reflux;