原油蚀变后提高了甾烷异构化反应程度，某些样品远远超过异构化反应平衡终点值。
After crude oil alteration, the degree of sterane isomerization reaction is enhanced, and in some samples, the balanced endpoint value of isomerization reaction is exceeded far beyond.
吡咯烷酮经N烷基化、氨解反应合成了乙拉西坦，总收率42.6%。
Etiracetam was synthesized from 2-pyrrolidone by N-alkylation and aminolysis. The overall yield was 42.6%.
本课题以蜜糖和十二烷基二甲基叔胺为原料，选择环氧氯丙烷作为季铵化反应的烷化剂。
This new synthesis method of humectants used honey and di-methyl-dodecyl amine as material to produce a quaternary surfactant.
对烷基化壳聚糖进行X射线光电子能谱分析表明，随着卤代烷试剂反应活性的增高，发生在壳聚糖羟基上的烷基取代反应增多。
X-ray photoelectron spectroscopy (XPS) indicated that the higher reaction activity of alkyl halide, the more alkyl substitution degree on hydroxyl group of chitosan.
用作溶剂、烷化、酯化和聚合反应的催化剂。99%的该产品主要用于医药方面，70%的该产品可用于电镀行业。
Used as solvent, catalyst of alkylation, esterification and polymerization, 99% MSA mainly used in pharmaceutical industry, while 70% MSA used in electroplating.
以异丁烯为烷 化剂 ，在间歇反应釜中研究了苯酚烷基 化反应合成2 ，4二叔丁基苯酚的反应工艺。
The synthetic process of 2,4di?tert?butylphenol was studied in a batch reactor, while isobutylene was used as alkylating agent.
以1，3-二甲基金刚烷为原料，经溴化、乙腈和硫酸的作用下乙酰胺基化、水解、成盐等反应及改进的后处理方法得到盐酸美金刚，总收率6 7。8%。
Memantine hydrochloride was synthesized from 1,3 dimethyladamantane by bromination, acetamidation with acetonitrile in sulfuric acid and hydrolysis with an overall yield of 67.8%.
以1，3-二甲基金刚烷为原料，经溴化、乙腈和硫酸的作用下乙酰胺基化、水解、成盐等反应及改进的后处理方法得到盐酸美金刚，总收率6 7。8%。
Memantine hydrochloride was synthesized from 1,3 dimethyladamantane by bromination, acetamidation with acetonitrile in sulfuric acid and hydrolysis with an overall yield of 67.8%.
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