Development of new palladium or cobalt catalyzed elementary reaction provided a way to construct new organic molecules, shorten synthesis routes, and lower the cost, and then meet the demands of atom economic green chemistry. 开发钯和钴催化的新反应,为构筑新型有机分子、缩短合成路径、降低合成成本、实现原子经济绿色化学具有极其重要的意义。