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Issue 31, 2013
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Hybrid NS ligands supported Cu(I)/(II) complexes for azide–alkyne cycloaddition reactions

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Abstract

Three copper complexes of nitrogen–sulfur donor ligands, [CuBr2(L1)] (1), [CuCl2(L2)2] (2) and [Cu2I2(L3)]n (3) (L1 = bis(2-cyclohexylsulfanylethyl)amine, L2 = 2-(benzylsulfanylmethyl)pyridine and L3 = 2-(4-pyridylsulfanylmethyl)pyridine), have been synthesized and characterized by single-crystal X-ray diffraction (XRD), powder XRD and TGA analysis. Complexes 1 and 2 are mononuclear Cu(II) complexes and are EPR active with distorted square-pyramidal and octahedral geometry, respectively. Complex 3 is a two-dimensional tetrahedral Cu(I) coordination polymer with 16- and 20-membered metallocycles. These complexes show good catalytic activities for one-pot azide–alkyne cycloaddition reactions in CH3OH–H2O.

Graphical abstract: Hybrid NS ligands supported Cu(i)/(ii) complexes for azide–alkyne cycloaddition reactions

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The article was received on 24 Jan 2013, accepted on 04 Jun 2013 and first published on 04 Jun 2013


Article type: Paper
DOI: 10.1039/C3DT50247C
Citation: Dalton Trans., 2013,42, 11319-11326
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    Hybrid NS ligands supported Cu(I)/(II) complexes for azide–alkyne cycloaddition reactions

    S. Bai, L. Jiang, J. Zuo and T. S. A. Hor, Dalton Trans., 2013, 42, 11319
    DOI: 10.1039/C3DT50247C

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