Influence of the steric hindrance, solvent effect and porous supporters etc. on o/p isomers ratio in the mononitration product of toluene have been investigated, some experimental results were given.

• 研究了利用立体位阻、溶剂效应、多孔载体等对有效降低甲苯一段硝化产物邻对位异构体比例的影响,文中给出了部分实验结果。