Research progresses in the reduction of dinitrotoluene for the preparation of toluene diamine were reviewed. 综述了二硝基甲苯还原制备甲苯二胺的研究进展。
A new type of azacrown ether crosslinked chitosan was synthesized by reaction of chitosan with dihydroxy mesocyclic diamine activated by epoxidation. 以壳聚糖为原料，与经环氧活化的双羟基中环二胺反应，制备了一种新型的氮杂冠醚交联壳聚糖。
