1: 1,1,1-trifluoro-2-fluoroethane With zinc(II) chloride; lithium diisopropyl amide in tetrahydrofuran T=15 - 20°C; 2: 1,4-Diiodobenzene With tetrakis(triphenylphosphine) palladium(0) in tetrahydrofuran T=20°C; 28 h;

tris-(dibenzylideneacetone)dipalladium(0); tri-cyclo-hexyl-phosphine in tetrahydrofuran; THF-d8 (tetrahydrofuran-d8) T=100°C; 60 h; Inert atmosphere;

tris-(dibenzylideneacetone)dipalladium(0); tri-cyclo-hexyl-phosphine in tetrahydrofuran; THF-d8 (tetrahydrofuran-d8) T=100°C; 5 h; Inert atmosphere;

tetrakis(triphenylphosphine) palladium(0) in N,N-dimethyl-formamide T=70°C; 6 h;

sulfuric acid; tetrakis(triphenylphosphine) palladium(0) in tetrahydrofuran 2 h; Ambient temperature;

1: 1,1,1-trifluoro-2-fluoroethane With zinc(II) chloride; lithium diisopropyl amide in tetrahydrofuran T=15 - 20°C; 2: 4-bromo-1-iodobenzene With tetrakis(triphenylphosphine) palladium(0) in tetrahydrofuran T=20°C; 18 h; Title compound not separated from byproducts;