Reaction between Superoxide Anion and Several Oxovanadium(IV) Compounds
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چکیده
We have observed that the superoxide anion reacts with VO(salen), but not with VO(saldpt), where H2(salen) and H2(saldpt) are Schiff base ligands derived from salicylaldehyde and ethylenediamine or dipropylenetriamine, respectively. Based on the electrochemical, ESR, and UV spectroscopic studies of the reaction mixture, it was concluded that the superox ide anion reacts with VO(salen) to oxidize V(IV) to V(V) through the formation of a vanadium(V)-peroxide adduct with side-on configuration. The SOD-like function of VO(salen) was elucidated in terms of the above assumption.
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