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Citation: REN Qun-Xiang, ZHAI Yu-Chun, QIN Yan, YE Li-Jie. Synthesis,Characterization and O₂^-· Scavenging Activity of Coordination Compounds of Glucosamine with La³⁺ and Nd³⁺[J]. Chinese Journal of Applied Chemistry, ;2009, 26(4): 439-442. shu

Synthesis,Characterization and O₂^-· Scavenging Activity of Coordination Compounds of Glucosamine with La³⁺ and Nd³⁺

REN Qun-Xiang ^a,b,, ,
ZHAI Yu-Chun ^a ,
QIN Yan ^b ,
YE Li-Jie ^b

1.
a School of Material and Metallurgy, Northeastern University, Shenyang 110004;
2.
b Shenyang Medical College, Shenyang 110034

Corresponding author: REN Qun-Xiang,
Received Date: 15 April 2008
Available Online: 26 June 2008

Coordination compounds were synthesized from D-glucosamine hydrochloride and LaCl₃ or NdCl₃.Their structures were characterized by elemental analysis,molar conductivity,IR,UV-Vis,and X-ray photoelectron spectroscopy.The scavenging effects of D-glucosamine and the rare earth complexes on superoxide anion free radical were studied.The results show that rare earth ion La³⁺ or Nd³⁺ and D-glucosamine formed the coordination compounds.In the two coordination compounds the rare earth ions were coordinated with the N atom in the amino groups and the O atom in the secondary hydroxyl groups of D-glucosamine as well as Cl-ion.The D-glucosamine and complexes all had significant scavenging effects on the superoxide anion free radical.The rare earth complexes displayed the highest scavenging effects on the superoxide anion free radical.
- D-glucosamine,
- rare earth coordination compound,
- synthesis,
- free radical
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Synthesis,Characterization and O2-· Scavenging Activity of Coordination Compounds of Glucosamine with La3+ and Nd3+

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Synthesis,Characterization and O₂^-· Scavenging Activity of Coordination Compounds of Glucosamine with La³⁺ and Nd³⁺