Chinese Journal of Applied Chemistry

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Synthesis, Characterization and DNA-Binding of Rare Earth Picorate Complexes with 2,7-Bis(Benzylamine carbonyl ethoxy) Naphthaedi

HUO Li′na, YANG Tianlin*, LI Hanyu, LI Xiaohong   

  1. (Key Laboratory of Energy Sources and Chemical Engineering,College of Chemistry and
    Chemical Engineering,Ningxia University,Yinchuan 750021,China)
  • Received:2012-04-09 Revised:2012-06-04 Published:2013-02-10 Online:2013-02-10
  • Contact: yang

Abstract: 2,7-Bis(benzylamine carbonyl ethoxy) naphthaedi(L) and its rare earth picorate complexes [RE(pic)3]L2(RE=Y,La,Eu,Tb) were synthesized and characterized by 1H NMR, IR spectra, elemental analysis and molar conductivity. The complexation with ct-DNA was studied by spectrometry, cyclic voltammetry and, viscosity measurements in Tris-HCl buffer solution(pH=7.20), and the interaction strength was La(Ⅲ)>Tb(Ⅲ)>Y(Ⅲ)>Eu(Ⅲ).

Key words: Amide-based open-chain crown ether, lanthanide complex, ct-DNA, intercalation

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