胺化

The effect of content of water on the yield of 2-phenylbenzamide by using sodium amide to cleave fluorenone was studied.

研究了水分含量对氨基化钠裂解芴酮制备2-苯基苯甲酰胺收率的影响。

This system can be used as a bulk-removal device, or it can replace/minimize the size of traditional amine systems.

这一系统，可以被用作大体积分离装置，还可以取代/最小化传统胺系统。

On the basis of analyzing data about stearic acid triethanolamine ester quaternary's preparation process and methods of analysis and identification, this article summarized synthetic conditions for this quaternary ammonium salt, this synthetic condition composed by synthesis of esters and quaternary ammoniation.

在对有关硬脂酸三乙醇胺酯季铵盐的制备工艺、分析鉴定方法的资料分析的基础上，综述了由硬脂酸制备该季铵盐的工艺条件，该工艺条件由酯胺的合成和季铵化2步构成。

The mass concentrations of sodium hydroxide,cetyltrimethyl ammonium bromide,sodium citrate and glycerin in the aqueous stripper are 90～100 g·L-1,10 g·L-1,10 g·L-1 and 10 g·L-1,respectively.

该脱漆剂以氢氧化钠水溶液为主体系，其中氢氧化钠的质量浓度为90~100 g.L-1，溴化十六烷基三甲基胺的质量浓度为10 g.L-1，柠檬酸钠的质量浓度10 g.L-1，甘油的质量浓度为

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%。

So it is deduced that the callus browning is related to the anabolism of polyamines and enthene.

因此认为野牛草成熟胚的愈伤组织褐化与乙烯和多胺的代谢有关。

When the temperature was 220℃and the concentration of water was 30%,77%N-ethylated aniline would be obtained.

特别当以乙醇为烷基化试剂时，各烷基胺类化合物在180℃的总产率均在95%以上。

Based on the possible degradation products, Microbial degradation pathways of metsulfuron-methyl is concluded as follows: after the cleavage of the sulfonylurea bridge, 2-amino-4-methoxy-6-methyl-triazine is demethylated and the annularity reaction of sulphanilamide occurs.

甲磺隆主要降解途径首先是脲桥的断裂，然后6-甲氧基-4-甲基-2-氨基-三氮嗪进一步脱甲基，而磺酰胺类物质将进一步脱氨基环化。

Photoreactions of 8 with 15-19, on the other hand, furnished the corresponding [2+2] cyclobutane products and the annulation products together.

二氯马来酰亚胺（8）与15—19的光化反应中则分别得到相应[2+2]的环丁烷产物和增环产物，在与19的反应中，还得到由环丁烷产物脱氯化氢后得到的环丁烯开环的二烯产物。

In this thesis, a convenient and efficient synthesis of highly functionalizeddihydropyrido[2,3-d]pyrimidines via a double [5 + 1] annulation strategy startingfrom easily available α-alkenoyl-α-carbamoyl ketene--acetals 1 and cheapreagents (NH4OAc, DMF, and POCl3) has been developed.

本论文探索了一种简便有效的合成高度官能化的二氢吡啶并[2，3-d]嘧啶的方法，此方法由易得的α-乙酰基-α-氨基乙酰基二硫缩烯酮1和便宜的试剂(醋酸铵，二甲基甲酰胺和三氯氧磷)通过两步[5 + 1]加成而实现。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。