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Ni (Ⅱ)/Cu (Ⅱ) Complexes with Two Pyrrole Thiosemicarbazone Ligands:Crystal Structures and DNA Interaction |
Author Name | Affiliation | E-mail | LI Xiao-Jing | College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, Henan 454000, China | | MAO Pan-Dong | College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, Henan 454000, China | | WU Wei-Na | College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, Henan 454000, China | wuwn08@hpu.edu.cn | KOU Kai | College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, Henan 454000, China | | LIU Shu-Yang | College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, Henan 454000, China | | WANG Yuan | College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, Henan 454000, China | wangyuan08@hpu.edu.cn |
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Abstract: Two Ni (Ⅱ) and two Cu (Ⅱ) complexes,namely,[Ni (L1)2]·2DMF (1),[Cu (L1)2]·THF·0.25MeOH·2.25H2O (2),[Ni (L2)2]·2MeOH (3) and[Cu (L2)2]·2EtOH (4)(where HL1=5-formyl-3,4-dimethyl-1H-pyrrole-2-carboxylate thiosemicarbazone,HL2=5-formyl-2,4-dimethyl-1H-pyrrole-3-carboxylate N (4)-isopropyl thiosemicarbazone) have been synthesized and characterized by single crystal X-ray diffraction,elemental analysis and IR spectroscopy.X-ray diffraction analysis results show that the structures of all complexes are similar while with different solvent molecules.The metal ion in each complex with a distorted square planar geometry is surrounded by two anionic thiosemicarbazone ligands with N2S2 donor set.In addition,the fluorescence spectra indicate that the interactions of the complexes with DNA are stronger than those of the corresponding ligands. |
Keywords: pyrrole thiosemicarbazone complex crystal structure DNA interaction |
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LI Xiao-Jing,MAO Pan-Dong,WU Wei-Na,KOU Kai,LIU Shu-Yang,WANG Yuan.Ni (Ⅱ)/Cu (Ⅱ) Complexes with Two Pyrrole Thiosemicarbazone Ligands:Crystal Structures and DNA Interaction[J].Chinese Journal of Inorganic Chemistry,2017,33(7):1257-1265. |
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