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Bulletin of Chemical Reaction Engineering and Catalysis, Volume 13, Issue 1, 2018, pp. 7-13

Preparation, characterization, and catalytic property of a Cu(II) complex with 2-carboxybenzaldehyde-p-toluenesulfonyl hydrazone ligand

Tai X.-S. * 1, Liu L.-L. * 1, Li P.-F. * 2
Abstract :

Metal-organic complex hybrid materials constructed from carboxylate ligands and hydrazone ligands have exhibited potential application in many fields. In order to enrich the applications of the metai-organic complex materials, a new hydrazone ligand contains carboxylate group, 2-carboxybenzaldehyde-p-toluenesulfonyl hydrazone (L1), and its Cu(II) complex (C2), have been pre-pared. The structure of L1 was determined by elemental analysis, IR spectra and single crystal X-ray diffraction, and the composition of Cu(II) complex (C2) has also been determined by elemental analysis, IR and UV spectra. The catalytic activity for A3 coupling reaction of benzaldehyde, piperidine, and phenylacetylene has been investigated. The results show that Cu(II) complex displays a 100 % selectiv-ity to the product of propargylamine during A3 coupling reaction and benzaldehyde conversions were 95.3, 94.2, and 93.4 % at 120 °C for 12 h in the first, second, and third reaction cycles, respectively. Copyright © 2018 BCREC Group. All rights reserved.

Keywords : Catalyst preparation and characterization,Catalytic property,Cu(II) complex material,Hydrazone ligand
Subject Area : Catalysis Process Chemistry and Technology

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