1: 2,3-dibromofuran With lithium diisopropyl amide in tetrahydrofuran; diethyl ether; n-heptane; ethylbenzene T=-78°C; 0.166667 h; 2: chloro-trimethyl-silane in tetrahydrofuran; diethyl ether; n-heptane; ethylbenzene T=-78 - 20°C;

n-butyllithium; diisopropylamine; lithium diisopropyl amide in tetrahydrofuran; hexane T=-50°C; 0.25 h;

n-butyllithium; diisopropylamine; lithium diisopropyl amide in tetrahydrofuran; hexane T=-50°C; 0.25 h;

potassium carbonate; tetrakis(triphenylphosphine) palladium(0) in ethylene glycol dimethyl ether; ethanol T=100°C; 6 h;