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Synthesis and catalytic activity of metallo-organic complexes bearing 5-amino 2-ethylpyridine -2-carboximidate

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Abstract

A series of copper, cobalt, nickel and manganese complexes were synthesized and characterized. Reaction of 5-amino-2-cyanopyridine with MCl2⋅xH2O (M: Cu2+, Co2+, Ni2+, Mn2+) in anhydrous ethanol resulted in the formation of four complexes [NH2EtPyCuCl2(CH3OH)].H2O 1, [(NH2EtPyHCl)3Co] (Cl)3.3H2O 2, [(NH2EtPy)22(H2O)Ni](Cl2) 3, and [(NH2EtPy)22(H2O)Mn](Cl2) 4 [NH2EtPy=5-amino-o-ethylpyridine-2-carboximidate], respectively. The structures of these compounds were determined by X-ray diffraction, NMR and IR spectroscopy, and elemental analysis. Each complex was then used as a catalyst in the Henry reaction, and its catalytic activity was determined by 1H NMR. Good catalytic effects were achieved (69–87%).

Reaction of 5-amino-2-cyanopyridine with MCl2•xH2O (M: Cu2+, Co2+, Ni2+, Mn2+) in anhydrous ethanol resulted in the production of four complexes. Their structures were determined by X-ray diffraction, NMR, IR, and elemental analysis. These complexes were then used as a catalyst in the Henry reaction.

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Acknowledgments

This work was supported by Hefei University of Technology.

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Authors and Affiliations

  1. Department of Chemical Engineering, Hefei University of Technology, Hefei, 230009, China

    LUO MEI, XU JIA & ZHANG JING CHENG

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  1. LUO MEI
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  2. XU JIA
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  3. ZHANG JING CHENG
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Correspondence to LUO MEI.

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Supplementary Information (SI)

Crystallographic information for all the compounds have been deposited with the Cambridge crystallographic data center, (CCDC) as supplementary publications CCDC 1455248, 1455249, 1455251 and 1455252. The electronic Supplementary Information is available at www.ias.ac.in/chemsci.

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MEI, L., JIA, X. & CHENG, Z.J. Synthesis and catalytic activity of metallo-organic complexes bearing 5-amino 2-ethylpyridine -2-carboximidate. J Chem Sci 128, 855–860 (2016). https://doi.org/10.1007/s12039-016-1095-z

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  • DOI: https://doi.org/10.1007/s12039-016-1095-z

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