Convergent structural, spectroscopic, and mechanistic evidence is presented on the bio-inspired catalysis by FeIII-substituted polyoxotungstates [Fe4(H2O)10(β-XW9O33)2]n− (X=AsIII, SbIII, SeIV, TeIV) in promoting the aerobic cleavage of catechols (see figure). These polyanions display two of the four iron sites with three external and substitution-labile coordination positions typical of non-heme dioxygenase enzymes.
Iron-Substituted Polyoxotungstates as Inorganic Synzymes: Evidence for a Biomimetic Pathway in the Catalytic Oxygenation of Catechols
SARTOREL, ANDREA;CARRARO, MAURO;SCORRANO, GIANFRANCO;BONCHIO, MARCELLA
2009
Abstract
Convergent structural, spectroscopic, and mechanistic evidence is presented on the bio-inspired catalysis by FeIII-substituted polyoxotungstates [Fe4(H2O)10(β-XW9O33)2]n− (X=AsIII, SbIII, SeIV, TeIV) in promoting the aerobic cleavage of catechols (see figure). These polyanions display two of the four iron sites with three external and substitution-labile coordination positions typical of non-heme dioxygenase enzymes.File in questo prodotto:
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