By the use of new nitrating agent,catalysts and solvents,all the reactions eliminate the use of concentrated sulfuric acid and are environmental friendly with high atom economy.

• 这些反应通过改变硝化剂和使用相应的催化剂和介质,不仅成功地避免了浓硫酸的使用,而且提高了原子经济性,具有良好的环境效益。