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Citation: ZHANG Jin-Yan, XIAO Xiao-Ming, JIANG Yan, TAN Nian-Yuan. Synthesis of Chromium(Ⅲ) Complex of 2,6-Di(2'-imidazoline-2'-yl) Pyridine and Its Interaction with DNA[J]. Chinese Journal of Applied Chemistry, ;2010, 27(9): 1032-1037. doi: 10.3724/SP.J.1095.2010.90729 shu

Synthesis of Chromium(Ⅲ) Complex of 2,6-Di(2'-imidazoline-2'-yl) Pyridine and Its Interaction with DNA

a. College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081;
b. College of Chemistry and Chemical Engineering, Hunan Institute of Engineering, Xiangtan

Received Date: 6 November 2009
Revised Date: 29 January 2010

2,6-Di(2'-imidazoline-2'-yl) pyridine(L) was synthesized from pyridine 2,6-dicarboxylic acid and ethylenediamine under microwave irradiation without catalyst.Its chromium complex[CrL₂] [NO₃]₃ was synthesized by the conventional method.The complex was characterized by IR spectrometry,elemental analysis,¹H NMR,TG-DSC and molar conductivity.The bindings of these two compounds to DNA were investigated by UV spectrometry and viscosity measurement.It is believed that the ligand may bind to DNA by hydrogen bonding and groove-face binding and the complex bind to DNA by hydrogen bonding and external electrostatic binding.The calculation results from density functional theory (DFT) with hybrid functional B3LYP is good agreement with the experimental phenomena.
- di(imidazolineyl)pyridine,
- chromium(Ⅲ) complex,
- DNA,
- microwave irradiation,
- DFT
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