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A rare macrocyclic tetranuclear copper (I) complex ([Cu4(2)2](PF6)4) of phenanthroline-based NHC ligand has been prepared and characterized by NMR, ESI-MS spectroscopy, and X-ray diffraction analysis. The complex displays a novel twisted macrocyclic conformation and weak intramolecular Cu-Cu interactions. The complex is found to exhibit high catalytic activity in the Cu-catalyzed azide–alkyne cycloaddition (CuAAC) reaction in an air atmosphere at room temperature in a MeCN/H2O mixture solution.
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Highlights
A rare macrocyclic tetranuclear copper (I) complex ([Cu4(2)2](PF6)4) of phenanthroline-based NHC ligand was prepared and structurally characterized and shows higher catalytic activity in the CuAAC reaction in an air atmosphere at room temperature in water phase medium.
| Authors: | Shaojin Gu, Jingjing Huang, Xin Liu, Hongtao Liu, Yingshan Zhou, Weilin Xu | |
| Journal: | Inorganic Chemistry Communications | |
| Year: | 2012 | |
| DOI: | 10.1016/j.inoche.2012.05.007 | |
| Publication date: | 14-05-2012 |
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