合成琥珀

Two artificial antigens Bz_HS_protein and Bz_SO 2_protein have been synthesized by the succinic anhydride_carbodiimide method and the sulfonyl chloride method separately.

用琥珀酸酐－碳二亚胺法和氯磺化法合成了毕兹的两种人工抗原Bz＿HS＿protein和Bz＿SO2＿protein。

Vitamin E succinate was synthesized via acylation of vitamin E with succinic anhydride using Candida sp.lipase as catalyst.

在有机溶剂中以维生素E和琥珀酸酐为底物在脂肪酶的催化下合成了维生素E琥珀酸酯。

The synthetic progress of polysuccinimide using maleic acid as original material was studied by two steps of aminization and polymerization. Changes of reactant and product composition in aminization reaction step was studied by using bromine value analysis method. It was found that amine salt and amide were main products in this step.

对以马来酐为原料合成聚琥珀酰亚胺的两个反应过程进行了研究，通过溴价测定法研究了胺化反应阶段反应物及产物各组分的变化情况，确定胺化反应阶段的产物组分主要是胺盐和酰胺。

Was synthesized from succimide by bromination with bromine,methylation with dimethyl sulfate and the reaction of indolyl magnesium bromide with 2,3-dibromoN-methylmaleimide.

以琥珀酰亚胺为起始原料，经过溴化、甲基化后再与吲哚溴化镁加成反应合成了2-溴-3-(1H-吲哚-3)-N-甲基马来酰亚胺，总收率44.8%，其结构经1H NMR和IR确证。

Based on the principle of Hunter reagant,N-Hydroxysuccinimide functional group was introduced into polymer carrier to synthesize a couple of olefine acids" and styrene" copolymer-NHS-esters.

利用Hunter试剂的原理，将N-羟基琥珀酰亚胺酯功能基团引入高分子载体上，合成了几种烯酸与苯乙烯聚合物的NHS酯。

Catalyzed by triethyl amine , vitamin E succinate was synthesized with vitamin E and succin-ic anhydride.

以三乙胺为催化剂、维生素E和琥珀酸酐为原料合成维生素E琥珀酸单酯。

A synthetic clear or amber-colored viscous insecticide, C19H26O3, similar ''.

丙烯除虫菊酯一种合成的透明或琥珀色粘性''。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失