Copper(II) complex intercalated graphene oxide nanocomposites as versatile, reusable catalysts for click reaction
作者:Angel Green Samuel、Karthikeyan Nagarajan、Karthick Cidhuraj、Bhalerao Gopal、Sujay Chakravarty、Varadharajaperumal Selvaraj、Emmanuvel Lourdusamy、Jebasingh Bhagavathsingh
DOI:10.1002/aoc.6017
日期:2020.12
In this work, we report the efficient, high stable copper(II) complexes intercalated graphene oxide (GO) used as green catalysts for copper(II) complex mediated click reaction. Copper(II) Bis(2,2′‐bipyridine) [CuII (bpy)2] (C1) and Copper(II) Bis(1,10‐phenanthroline) [CuII (phen)2] (C2) have synthesized for the intercalation of corresponding nanocomposites with GO, [GO@CuII (bpy)2] (GO‐C1) and [GO@CuII
在这项工作中,我们报告了高效,高稳定性的铜(II)配合物插入的氧化石墨烯(GO),用作铜(II)配合物介导的点击反应的绿色催化剂。铜(II)双(2,2'-联吡啶)[Cu II(bpy)2 ](C1)和铜(II)双(1,10-菲咯啉)[Cu II(phen)2 ](C2)已合成用于GO,[GO @ Cu II(bpy)2 ](GO-C1)和[GO @ Cu II(phen)2 ]插入相应的纳米复合材料](GO-C2)。事实证明,GO纳米片表面上负载的络合物的非共价相互作用是促进铜催化的炔叠氮化物环加成(Cu II AAC)反应增强1,3,4-二取代-1, 2,3-三唑作为单击产物,可在更短的反应时间内完成,产率为80%–91%(五个示例)。这些复合材料的X射线衍射(XRD)图显示了增强的中间层d由于GO基面之间插入了铜(II)配合物,并通过X射线光电子能谱(XPS),傅里叶变换红外光谱(FT