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| Synthesis, Crystal Structure and DNA Interaction of a Cu(II) Complex with Bis-hydrazone Ligand Bearing Pyrazine Unit |
| Author Name | Affiliation | E-mail | | WU Hao | College of Chemistry and Chemical Engineering, Henan Key Laboratory of Coal Green Conversion, Henan Polytechnic University, Jiaozuo, Henan 454000, China | | | ZHAO Xiao-Lei | College of Chemistry and Chemical Engineering, Henan Key Laboratory of Coal Green Conversion, Henan Polytechnic University, Jiaozuo, Henan 454000, China | zhaoxiaolei@hpu.edu.cn | | ZHONG Run-Bin | College of Chemistry and Chemical Engineering, Henan Key Laboratory of Coal Green Conversion, Henan Polytechnic University, Jiaozuo, Henan 454000, China | | | DAI Geng-Geng | College of Chemistry and Chemical Engineering, Henan Key Laboratory of Coal Green Conversion, Henan Polytechnic University, Jiaozuo, Henan 454000, China | | | WU Wei-Na | College of Chemistry and Chemical Engineering, Henan Key Laboratory of Coal Green Conversion, Henan Polytechnic University, Jiaozuo, Henan 454000, China | wuwn08@hpu.edu.cn | | WANG Yuan | College of Chemistry and Chemical Engineering, Henan Key Laboratory of Coal Green Conversion, Henan Polytechnic University, Jiaozuo, Henan 454000, China | |
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| Abstract: A complex, namely[Cu4(L)2(CH3O)2(CH3OH)4(SO4)2]SO4·6CH3OH (1) (L=N,N'-bis-(1-(3-ethyl-pyrazin-2-yl)-ethylidene)-hydrazine) has been synthesized and characterized by single-crystal X-ray diffraction, elemental analysis and IR spectroscopy. X-ray diffraction analysis results show that in complex 1, each Cu(II) center with a distorted octahedron geometry is coordinated by two N atoms from one pyrazin-2-yl-ethylideneamine subunit, and four O atoms involving one O atom from one neutral methanol, one μ2-bridged O atom from one methoxy anion, one μ2-bridged O and one monodentate O atoms from two independent sulfate anions, thus forming an ideal planar four-membered Cu4 core. In addition, the fluorescence spectra indicate that the interaction of complex 1 with DNA is stronger than that of the ligand L. |
| Keywords: bis-hydrazone crystal structure Cu(II)complex DNA interaction pyrazine |
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| WU Hao,ZHAO Xiao-Lei,ZHONG Run-Bin,DAI Geng-Geng,WU Wei-Na,WANG Yuan.Synthesis, Crystal Structure and DNA Interaction of a Cu(II) Complex with Bis-hydrazone Ligand Bearing Pyrazine Unit[J].Chinese Journal of Inorganic Chemistry,2018,34(10):1917-1922. |
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