Cu2O/1-(2-methylhydrazine-1-carbonyl)-isoquinoline 2-oxide catalyzed C-N cross-coupling reaction in aqueous media
作者:Jian-Wei Xie、Zhen-Bin Yao、Xiao-Chuang Wang、Jie Zhang
DOI:10.1016/j.tet.2019.05.067
日期:2019.7
An experimentally simple, efficient, and inexpensive catalyst system was developed for the N-arylation of imidazole, indole, pyrrole, alkyl alcohol amines, and alkyl amines with aryl iodides and bromides. The reaction proceeds in water-ethanol media at 120 °C for 12 h with Cu2O as the catalyst, 1-(2-methylhydrazine-1-carbonyl)-isoquinoline 2-oxide (L2) as the ligand, NaOH as the base to generate a
通过实验简单,高效,廉价的催化剂体系用于将显影Ñ咪唑-arylation,吲哚,吡咯,烷基醇胺,并用芳基碘化物和溴化物的烷基胺。反应在水-乙醇介质中于120°C下进行12 h,以Cu 2 O为催化剂,以1-(2-甲基肼-1-羰基)-异喹啉2-氧化物(L2)为配体,NaOH为碱以中等到极高的收率生产各种N-芳基化产物。水性介质,易操作性和广泛的底物范围使该工艺具有良好的环境特性。