保护基团

通过DSC、TG和IR数据可以看出，磺酸酯单体的保护基团的种类对树脂的分解温度和热稳定性有很大的影响，而磺酸酯单体的种类影响很小。

DSC , TG and IR data revealed that decomposition temperature and thermal stability of the copolymer mainly relied on the type of protecting groups , almost regardless of the kind of sulfonate unit .

此外，通过多步骤或利用超临界溶剂、保护基团等也可实现甘油氢解。

The hydrogenolysis of glycerol can also be achieved by adopting multiple processes , supercritical solvents or protecting groups .

氧化吲哚分子内氧化偶联合成了八种不同芳环取代和保护基团的氧化吲哚同系物。

Intramolecular oxidative coupling of oxindoles : Eight analogues of oxindoles with different substituted aromatic ring and protection groups were synthesized .

羧酸酯类化合物是一类重要的化合物，在化学合成中，酯基也经常用作保护基团来进行羟基的保护。

Carboxylic esters are a kind of important compounds and the ester groups are often used as protection groups for hydroxyl groups .

因此，我们希望该脱除方法可以在脱除这一类的保护基团时得到广泛的应用。

Thus , we expect that this methodology will find widespread use in the deprotection of this class of protecting group . 2 .

研究了两个单体聚合的先后顺序对得到的嵌段共聚物分子量及分子量分布的影响，阐明了该影响是保护基团的空间位阻原因造成的。

We researched the effects of adding order of two monomers to the molecular weight and PDI , and illustrated that it was caused by the steric hindrance of this protection group .

多肽的合成即氨基酸的缩合，但由于氨基酸的自身特性，有很多活性基团，从而引起许多副反应的发生，所以合成多肽前必需用保护基团将其暂时封闭起来，使得反应能够顺利进行。

However , amino acids themselves have many active groups , which leads to many side reactions , then they must be temporarily closed by using protecting groups before peptide synthesis , so as to the reaction can be proceed smoothly .

在有机中间体合成过程中作为一种温和的脱保护基基团[]以及一种有效的碱性试剂[]。

In the synthesis of organic intermediate compounds , cesium carbonate could be used as a mild and efficient reagent for deprotection [ 1 ] and as a base reagent [ 2 ] .

氨基和侧链活泼基团在形成肽反应中都需要保护起来，合成多肽后再脱去保护基团。

Both amino and active groups of side chain need to be protected in the reaction of peptide synthesis , and then take off protective groups .

过程中引入二乙胺基作为保护基，经还原加氢后再将保护基团脱去得到终产物。

The process is that diethylamino as protecting groups are bring in , then after a reductive hydrogenation reaction the protecting groups are taken off to get the final product .