1: 2-bromofuran With n-butyllithium; tri-isopropoxy-borane in tetrahydrofuran; hexane T=-78°C; 1 h; Inert atmosphere; 2: 5-Bromo-1H-indole With potassium phosphate; C45H58ClNPPd in tetrahydrofuran; hexane; water T=40°C; Suzuki-Miyaura Coupling; 2 h; Inert atmosphere;

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