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Hydrothermal synthesis of a 2-(2-pyridyl)imidazole derivative and its copper(II) and zinc(II) complexes

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Abstract

The hydrothermal synthesis of a heterocyclic quaternary nitrogen compound, namely, 6,7-dihydro-pyrido[2′,1′:3,4]pyrazino[1,2-a]imidazol-5-ium-bromide monohydrate (LBr · H2O) is reported. Various spectroscopic analyses were performed on the cationic heterocycle. CuII and ZnII halide complexes of this novel ligand were prepared. The heterocycle and its complexes were characterized by single crystal X-ray diffraction analysis. Both complexes contain neutral [MIILX3] molecules, where the cyclic ligand (L+) is coordinated to the metal as a monodentate ligand. The Cu2+ complex has a distorted tetrahedral geometry, indicating an obvious steric effect from L+ on the chloride co-ligand.

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Acknowledgments

This work was supported by the Natural Science Foundation of China (No. 20671055 and 20771065). We thank Mr. Nathan Adams for checking English of this manuscript.

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Authors and Affiliations

  1. Department of Chemistry, Tsinghua University, Beijing, 100084, People’s Republic of China

    Chong-Chao Zhao, Wei-Wei Ni, Ming-Ming Yu, Ai-Li Cui & Hui-Zhong Kou

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  1. Chong-Chao Zhao
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  2. Wei-Wei Ni
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  3. Ming-Ming Yu
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  5. Hui-Zhong Kou
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Correspondence to Hui-Zhong Kou.

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Zhao, CC., Ni, WW., Yu, MM. et al. Hydrothermal synthesis of a 2-(2-pyridyl)imidazole derivative and its copper(II) and zinc(II) complexes. Transition Met Chem 33, 861–866 (2008). https://doi.org/10.1007/s11243-008-9124-5

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  • DOI: https://doi.org/10.1007/s11243-008-9124-5

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