反应详情

Following the procedure for 1, 5 (4.84 g, 13.1 mmol), 5-bromo-2-iodopyridine (3.72 g, 13.1 mmol), tetrakis(triphenylphosphine)palladium(0) (0.757 g, 0.655 mmol), Na2CO3 (4.97 g, 46.9 mmol), H2O (45 mL) and THF (75 mL) yielded 6 (4.73 g, 90% yield) as a colorless solid after flash chromatography (SiO2, 1:1 hexanes-dichloromethane) and subsequent trituration with EtOAc.