Alkylation of ambident nucleophiles different places by using phase-transfer catalytic agent were studied in this paper.
本文研究了在相转移催化条件下两可
试剂不同位置
化反应。
Alkylation of ambident nucleophiles different places by using phase-transfer catalytic agent were studied in this paper.
本文研究了在相转移催化条件下两可
试剂不同位置
化反应。
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化试剂,以高产率和100%
转化率以及100%
选择性得到了酚
O-
化产物。
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
化、类卡宾加成以及简单
丙
化合物
衍生化合成等。
Alkylation of Phenylacetonitrile was realized from phenylacetonitrile and benzyl chloride by using PS-PEG-400 as triphase phase transfer catalyst.
摘要利用固载化聚乙二醇-400作三相相转移催化剂,以氢氧化钾水溶液作碱,从苯乙腈和苄
氯出发合成了苯乙腈
单
化物-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.
利用接枝共聚和磺化
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
苯
化、二芳胺
化、N-
化、硫代化反应合成了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化剂作用下进行选择性化反应,再经催化氢化还原得到龙脑檀香产品。
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