烷烃稳定性高,反应活性低,直接官能团化困难。
Paraffin has high stability, low reactivity, and it is difficult to give functional group to paraffin directly.
卤原子作为保护基,代替末端炔发生碳-氢官能团化反应。
Halogen atom could activate the triple bond and as the directing group, the triple bond occurs the electrophilic addition reaction.
以2 8篇文献综述了金属卟啉模拟酶催化氧化饱和碳原子官能团化的研究进展。
Studying development of functionalization of saturated carbon by catalytic oxidation wit metalloporphyrins as a mimic of the enzyme cytochrome P-450 was reviewed with 28 references.
本文介绍了环氧树脂高性能化的方法是将环氧树脂低分子量化、多官能团化、以及在柔性链段中引入刚性基团,并例举了高性能环氧树脂的实例。
The method of high-performance is that made epoxy resin, low molecular weight multifunctional and into rigid perssad on flexible segment, given an example.
腈化物是有机合成中的重要中间体,因为其中的氰基可以通过多种方法引入,又能进一步转化成其它官能团。
Nitriles are central intermediates in organic synthesis since they can be readily prepared by a number of methods and undergo further transformations into other functional groups.
再通过聚合物端基的官能团选择性修饰,可以得到多种类组合的功能化聚合物。
Then functionalized polymers with various combinations are obtained through the selective modification by the functional groups of the end groups of the polymers.
从各味药的有效成分入手,利用其所含有的特定的骨架及官能团信息直观地进行了数字化表征;
Starting from a variety of active ingredients of each medicine, digital characterization was carried out using their containing specific backbone types and functional groups.
功能化官能团的接枝密度,接 枝数量可以进行精确调控。
The grafting density and grafting number of the functional radicals may be controlled precisely.
功能化官能团的接枝密度,接 枝数量可以进行精确调控。
The grafting density and grafting number of the functional radicals may be controlled precisely.
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