Alkylation of Phenylacetonitrile was realized from phenylacetonitrile and benzyl chloride by using PS-PEG-400 as triphase phase transfer catalyst.
摘要利用固载聚乙二醇-400作三相相转移催
剂,以氢氧
钾的水溶液作碱,从
乙腈和
氯出发合成了
乙腈的单烷
-α-
乙腈。
Alkylation of Phenylacetonitrile was realized from phenylacetonitrile and benzyl chloride by using PS-PEG-400 as triphase phase transfer catalyst.
摘要利用固载聚乙二醇-400作三相相转移催
剂,以氢氧
钾的水溶液作碱,从
乙腈和
氯出发合成了
乙腈的单烷
-α-
乙腈。
This article described how to determine the content of chloride in the industry potassium hydroxide with the mercuric thiocyanide spectrophotometric method .
建立了用硫氰酸汞分度法测定工业氢氧
钾中氯
量的方法。该方法简便、快捷,样品和试剂用量小,干扰因素少,测定范围大。
Modified method of the preparation of isoeugenol through isomerization of eugenol in the presence of 4 times theoretical amount of KOH with eugenol type basil oil as the starting material is stated.
本文叙述以丁香罗勒油为原材料用4倍理论量的氢氧钾为催
剂进行异构
制备异丁香酚的改进方法。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。