tetra-(n-butyl)ammonium iodide; caesium carbonate; POPd2 in water; N,N-dimethyl-formamide T=150°C; Suzuki reaction; 0.25 h; microwave irradiation;

1: 5-Bromo-1H-indole With tetrakis(triphenylphosphine) palladium(0) in toluene T=20°C; 0.5 h; 2: 4-fluorophenyl boronic acid With sodium carbonate in ethanol; toluene T=90°C; 4 h;

tetrakis(triphenylphosphine) palladium(0); sodium hydrogencarbonate in ethylene glycol dimethyl ether 4 h; Heating;