1: 2-bromo-pyridine With lithium diisopropyl amide in tetrahydrofuran T=-95°C; 2: With zinc(II) chloride in tetrahydrofuran T=-95 - 20°C; 3: iodobenzene With tetrakis(triphenylphosphine) palladium(0) in tetrahydrofuran Heating; Further stages.;

1: 2-bromo-pyridine With 2,2,6,6-tetramethylpiperidinyl-lithium in tetrahydrofuran T=-78°C; 2: With zinc(II) chloride in tetrahydrofuran T=-95 - 20°C; 3: iodobenzene With tetrakis(triphenylphosphine) palladium(0) in tetrahydrofuran Heating; Further stages.;