Alkylation of ambident nucleophiles different places by using phase-transfer catalytic agent were studied in this paper.
本文研究在相转移催
条件下
两可亲核试剂不同位置的烷
反应。
Alkylation of ambident nucleophiles different places by using phase-transfer catalytic agent were studied in this paper.
本文研究在相转移催
条件下
两可亲核试剂不同位置的烷
反应。
The phenols were O-alkylated with 100% conversion and 100% selectivities using phenacyl bromide and benzyl bromide as alkylating reagents.
用溴代苯乙酮和溴苄为烷试剂,以高产率和100%的转
率以及100%的选择性
酚的O-烷
产物。
General approaches involve the nucleophilic cycloalkylation, carbenoids addition of certain amino acid derivatives and derivatization from simple cyclopropane compounds.
制备方法包括简单氨
酸衍生物的亲核环烷
、
卡宾加成以及简单环丙烷
合物的衍生
合成等。
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,从苯乙腈和苄
氯出发合成
苯乙腈的单烷
物-α-苄
苯乙腈。
Modified larch tannin was prepared by grafting copolymerization and sulfoalkylation, and successfully used as retanning agent, possessing good water solubility and enhanced penetration rate.
利用接枝共聚和磺烷的方法
落叶松单宁改性。
N butyl 2 ethoxy thioacridone was prepared from o chloro benzoic acid and p phenetidine by means of Ullman reaction,cyclization,N alkylation and sulfurization.
以邻氯苯甲酸和乙氧
苯胺为原料,经过胺的苯
、二芳胺的环
、N-烷
、硫代
反应合成
N-丁
-2-乙氧
硫代吖啶酮。
A new camphol sandaliol was synthetized by selective alkylation of isocamphol and phenol with acidic catalyst, and following hydrogenated in the presence of Raney nickel.
本文用异龙脑与苯酚在酸性催剂作用下进行选择性烷
反应,再经催
氢
还原
龙脑檀香产品。
声明:以上例句、词性分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。