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cis-Dihydroxylation of Olefins by a Non-Heme Iron Catalyst: A Functional Model for Rieske Dioxygenases



cis-Dihydroxylation of Olefins by a Non-Heme Iron Catalyst: A Functional Model for Rieske Dioxygenases



Angewandte Chemie 38(15): 2227-2229



The first iron complex capable of olefin cis-dihydroxylation in combination with H(2)O(2) provides a functional model for Rieske dioxygenases. Mechanistic studies on the model reaction suggest the participation of an Fe(III)(eta(2)-OOH) intermediate, with the oxygen atoms coming exclusively from H(2)O(2) (see reaction scheme; L denotes a tris(6-methyl-2-pyridylmethyl)amine ligand, Solv=solvent). The similarities between the model and the enzymes strengthen the proposal that an Fe(III)-peroxo intermediate is involved in the enzymatic reactions.

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Accession: 047995643

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PMID: 10425491

DOI: 10.1002/(sici)1521-3773(19990802)38:15<2227::aid-anie2227>3.0.co;2-b


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