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Citation: WU Lin, YAN Min, WANG Jian-Guo, GUAN Zhang-Wei, XIA Zhi-Lin, QIN Xiao-Rong, YI De-Lian. Synthesis,Characterization and Simulation of SOD of M(M:Fe(Ⅲ),Cr(Ⅲ),Cu(Ⅱ))-Propyl Gallate Complexes[J]. Chinese Journal of Applied Chemistry, ;2010, 27(3): 328-332. doi: 10.3724/SP.J.1095.2010.90205 shu

Synthesis,Characterization and Simulation of SOD of M(M:Fe(Ⅲ),Cr(Ⅲ),Cu(Ⅱ))-Propyl Gallate Complexes

Applied Chemistry Research Institute, Wuhan University of Science and Technology, Wuhan 430081

Received Date: 27 March 2009
Revised Date: 24 June 2009

The interactions of Fe³⁺,Cr³⁺,Cu²⁺ with propyl gallate(PG) in water were studied.The solid complexes of PG-Fe,PG-Cr,PG-Cu were characterized by UV-Vis,¹H NMR,IR,MS,elemental analysis,molar conductance and cyclic voltammetry.The results support the formation of the complexes with the formulae[C₁₀H₁₀O₅]₂Fe·H₂O,[C₁₀H₁₀O₅]₃ Cr·2H₂O and[C₁₀H₁₀O₅]₁₀ Cu·2H₂O for investigated metal cations.The IR spectra show that the phenol hydroxyl group was coordinated to the metal center to form the Ph-O-M bond.The electrochemical data suggest that the metal complexes were more effective antioxidants than PG ligand,and the antioxidative property follows the order:PG-Cu>PG-Cr>PG-Fe.The superoxide dismutase(SOD) like activity of the metal complexes was measured by means of a reduction of NBT by V_B2.The results indicate that the three metal complexes could catalyze the disproportionation of the superoxide anion free radical(O₂^-·),and could be used as the active center model complexes of SOD.
- propyl gallate,
- complex,
- cyclic voltammetry,
- SOD
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