An Efficient Catalytic System Based on CuI and Ionic Liquid for the Synthesis of Propargylamines Through One-Pot A3 Coupling Reactions
作者:Anlian Zhu、Jingyi Wang、Mingyue Wang、Dongshuang Fan、Lingjun Li
DOI:10.1007/s10562-022-04109-w
日期:——
mild reaction conditions and simple operation procedures, no volatile organic solvents and other additives were involved, and no inert gas protection were needed. In addition, the ionic liquid utilized in this work was easy to be prepared and its utilization made the catalytic system recyclable. All of these superiorities made this catalytic system efficient and eco-friendly for the synthesis of propargylamines
合成了一系列离子液体,并研究了它们对 Cu 催化的一锅法 A 3偶联反应合成炔丙胺的协同作用。结果表明,基于离子液体[MEA][H 2 PO 4的复合催化体系]和CuI对目标炔丙胺具有优异的催化活性和选择性,一系列具有吸电和给电基团的芳香醛和杂芳醛均能达到良好至优异的分离产率。该催化体系反应条件温和,操作程序简单,不涉及挥发性有机溶剂和其他添加剂,也不需要惰性气体保护。此外,该工作中使用的离子液体易于制备,其利用使催化体系可回收。所有这些优势使得该催化体系高效且环保地用于炔丙胺的合成。 图形概要