Abstract
A novel polyoxometalate-based compound, [H(atrz)]4[(atrz)2(Mo8O26)]·2H2O (1) (atrz = 3-amino-1,2,4-triazole), has been synthesized by traditional hydrothermal method, and characterized by means of elemental analysis, FT-IR spectroscopy, Powder X-ray diffraction and single-crystal X-ray. The compound 1 contains a 2D supramolecualr layer which is constructed from [(atrz)2(γ-Mo8O26)]4− units via intermolecular hydrogen-bonding interactions. Furthermore, the adjacent 2D layers are packed together through the aromatic π⋯π stacking interactions and exhibits a 3D supramolecular structure. The catalytic properties of 1 were investigated in olefin epoxidation with tert-butylhydroperoxide (t-BuOOH) as the oxidant. It was found that compound 1 could serve as active and stable heterogeneous catalyst for the epoxidation of cyclooctene and 1-octence. Besides, introducing copper ions into compound 1 could further improve the catalytic activity for olefin epoxidation.
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Financial support from the National Natural Science Foundation of China (No. 21173100) is gratefully acknowledged.
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Gao, H., Yu, J., Du, J. et al. Supramolecular Assembly Based on Octamolybdate and Triazole Derivative: Crystal Structure and Catalytic Application in Olefin Epoxidation. J Clust Sci 25, 1263–1272 (2014). https://doi.org/10.1007/s10876-014-0704-6
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DOI: https://doi.org/10.1007/s10876-014-0704-6