Syntheses and structures of copper(II) and nickel(II) complexes with N,N-(4,4-bithiazole-2,2-diyl)diacetimidamide ligands: in vitro cytotoxicities and DNA-binding properties
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- 作者：Rui-Hao Yu (1)
Yong-Jun Zheng (1)
Yan-Tuan Li (1) yantuanli@ouc.edu.cn
Zhi-Yong Wu (2)
Cui-Wei Yan (3) cuiweiyan@ouc.edu.cn - 刊名：Transition Metal Chemistry
- 出版年：2012
- 出版时间：May 2012
- 年：2012
- 卷：37
- 期：4
- 页码：399-406
- 全文大小：514.1 KB
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- 刊物类别：Chemistry and Materials Science
- 刊物主题：Chemistry
Catalysis
Physical Chemistry
Inorganic Chemistry - 出版者：Springer Netherlands
- ISSN：1572-901X
文摘
Two complexes of general formula, [M(DABTA)]NO3 [M = CuII (1) or NiII (2), DABTA = N,N′-(4,4′-bithiazole-2,2′-diyl)diacetimidamide], have been synthesized and characterized by elemental analyses, molar conductivity measurements, IR and electronic spectra studies and single-crystal X-ray diffraction. The crystal structures show that the two complexes have similar molecular structures in which each metal atom has a square-planar coordination environment. Hydrogen bonding interactions link each complex into a 2-D infinite network. The DNA-binding properties and cytotoxicities of the complexes were investigated. The results suggest that the two complexes can interact with DNA by intercalation, with binding affinities following the order of 1 > 2, which is consistent with their in vitro cytotoxicities.