Article

Vanadium (V) peroxocomplexes: structure, chemistry and biological implications.

Dipartimento di Chimica, Universitá della Calabria, via Bucci 12 C, 87036 Rende (CS), Italy.
Journal of Inorganic Biochemistry (impact factor: 3.35). 09/2005; 99(8):1549-57. DOI:10.1016/j.jinorgbio.2005.04.003 pp.1549-57
Source: PubMed

ABSTRACT A short account on the identification in solution of diverse type of vanadium peroxocomplexes is offered. The methodology used is a combination of several techniques, i.e., multinuclear NMR spectroscopy, electrospray ionization mass spectrometry (ESI-MS) and theoretical calculation. The analysis has been carried out in aqueous alcoholic solutions, and in some case also in the presence of appropriate ligands, in order to model some of the natural conditions where vanadium-dependent haloperoxidase enzymes (VHPO) work. With the results obtained, it has been possible to shed light on important aspects of the catalytic cycle of VHPO. Furthermore, a number of synthetic aspects of the reactivity of the various vanadium peroxocomplexes is reviewed.

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Keywords

appropriate ligands
 
aqueous alcoholic solutions
 
aspects
 
catalytic cycle
 
diverse type
 
electrospray ionization mass spectrometry
 
natural conditions
 
short account
 
synthetic aspects
 
techniques
 
theoretical calculation