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Three thiacalix[4]arene-based Cu(i) coordination polymers: catalytic activities for azide-alkyne cycloaddition
Jian-Fang Li1, Peng Du, Ying-Ying Liu
1Key Lab of Polyoxometalate Science, Department of Chemistry, Northeast Normal University, Changchun 130024, China. liuyy147@nenu.edu.cn majf247@nenu.edu.cn.
Abstract:
Three new coordination polymers, [Cu2(CN)(L)(OCH3)]·CH3OH·3H2O (1), [Cu3(Br)3(L)] (2) and [Cu(I)(L)]·1.5H2O (3), have been solvothermally prepared by reacting L (5,11,17,23-tetra-tert-butyl-25,26,27,28-tetra[(3-pyridylmethyl)oxy]-2,8,14,20-tetrathiacalix[4]arene) with Cu(i) halide. 1 and 2 exhibit layers. 3 displays a chain, a supramolecular layer constructed by hydrogen bonds. The performance of 1-3 was examined as heterogeneous catalysts for azide-alkyne cycloaddition reactions. Most strikingly, 1 and 2 show predominant efficiency with high regioselectivity and excellent recyclability. Remarkably, solids 1-3 all have luminescence characteristics under irradiation with a UV lamp.
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