释义 |
azacrown ether 基本例句 氮杂冠醚 A new type ofazacrown ethercrosslinked 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。 In this paper we prepared a series of azacrown ethers with side chains of tropone rings and their derivatives by the reactivity of seven-membered aromatic tropone rings.本文利用七元芳香卓酮环的反应活性,合成出了一系列以卓酮环及其衍生物为侧臂的氮杂冠醚。 |