1: 4-bromo-2-(1-cyclohexenyl)thiophene With tetrakis(triphenylphosphine) palladium(0) in ethylene glycol dimethyl ether T=20°C; 0.166667 h; 2: 1,1'-Biphenyl-4-yl-boronic acid With sodium carbonate in ethylene glycol dimethyl ether 24 h; Heating; Further stages.;