查询词典 ammonolysis

This paper introduces in detail the factors influencing the yield of the amino acetic acid with the chloroacetic acid ammonolysis process, and connecting with the production procedures, makes deep analysis, and puts forward some corresponding methods for increasing the yield.

详细介绍了氯乙酸氨解法氨基乙酸生产过程中影响收率的因素，并结合生产过程进行了深入分析，有针对性地提出了提高收率的办法。

This paper advances the preparation method of erucamide by direct ammonolysis .

本研究提出菜籽油直接氨解、溶剂脱脂、蒸馏预分离、溶剂结晶提纯制取芥酸酰胺的方法。

Amino-pelargonic acid was synthesized from sebacic acid through mono-esterification, ammonolysis and Hofmann's degradation.

9-氨基壬酸系从癸二酸经单酯化、氨化和Hofmann重排制得。

It can be raw material of heart disease medicine and liver function promoter, ammonolysis toxic agent, weary elimination medicinal preparation and amino acid infusion.

在医药行业，可作为心脏病类药物、肝功能促进剂、氨解毒剂、疲劳消除剂和氨基酸输液的主要原料。

The fact that increasing solvent polarity increases the reaction rate supports to the conclusion that the ammonolysis of α-CDA with trimethylamine follows SN2 mechanism.

增加溶剂极性对α-CDA的三甲胺氨解反应有利，表明反应具有SN2反应的特征。

The results indicate that the optimized sulfonylation reaction time is 4 h, the materiel rate of chlorosulfonic acid and 2-chloroimidazo[1,2-α]pyridine is 1.2 : 1, with ethylamine the yield increasing from 15.4% to above 70%; the optimized ammonolysis reaction time is 3 h and the reaction temperature is 27℃, with the acetonitrile yield increasing from 60.1% to above 79.6%.

实验结果表明，磺酰化反应的最佳反应时间为4 h，氯磺酸与2-氯咪唑并[1，-α]吡啶的用量比为1.2：1，加入三乙胺可将收率由15.4%提高到70%以上；氨解反应的最佳反应时间为3 h，反应温度为27 ℃，加入乙腈可将收率由60.1%提高到79.6%；方案经改进后，总反应时间缩短3 h，收率提高了5.5%。

Adding methanol to the reaction system could enhance the conversion of HDA and the yield of HDU-M notably. So the ammonolysis was apt to the SN1 scheme.

反应体系中引入甲醇溶剂可显著提高反应的转化率及选择性，认为DMC胺解过程更倾向于按 SN1机制进行。

The applied level of operation technology in units like sulfonation, nitration, hydrogenation, polymerization, ammonolysis and separation etc.

十一五的发展战略是充分发挥自身优势，加大投入力度，合理构造产业链，重点发展基础化工、精细化工、农用化工。

High active enzyme was selected from several lipases which can catalysed the ammonolysis of unnatural sbstance trimethylsilylmethyl acetate.

从不同来源的脂肪酶中筛选出能催化非天然底物———乙酸三甲基硅甲酯的氨解反应且具有较高活性的脂肪酶，并首次探讨了氨源、有机介质、反应初始水活度和温度对该酶促反应的影

E. 3-allyloxyisothiazole and N-allylisothiazolone, were synthesized with 3-mercaptopropionate as the starting material through ammonolysis, cyclization and allylation reactions.

以3-巯基丙酸甲酯为原料，经氨解、关环、烯丙基化合成了2种含有不饱和侧链的异噻唑类化合物，分别为3-烯丙氧基异噻唑和N-烯丙基异噻唑啉酮。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。