Alkylation of ambident nucleophiles different places by using phase-transfer catalytic agent were studied in this paper.
本文研究了在相移催
条件下
两可亲核试剂不同位置
烷基
反应。
Alkylation of ambident nucleophiles different places by using phase-transfer catalytic agent were studied in this paper.
本文研究了在相移催
条件下
两可亲核试剂不同位置
烷基
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基试剂,以高产率和100%
率以及100%
选择性得到了酚
O-烷基
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
氨基酸衍生物
亲核
烷基
、类卡宾加成以及简
烷
合物
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
移催
剂,以氢氧
钾
水溶液作碱,从苯乙腈和苄基氯出发合成了苯乙腈
烷基
物-α-苄基苯乙腈。
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基方法
落叶松
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基苯胺为原料,经过胺
苯基
、二芳胺
、N-烷基
、硫代
反应合成了N-丁基-2-乙氧基硫代吖啶酮。
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基
反应,再经催
氢
还原得到龙脑檀香产品。
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观点;若发现问题,欢迎向我们指正。