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Nonheme FeIVO complexes that can oxidize the C-H bonds of cyclohexane at room temperature : Nonheme Fe<SUP>IV</SUP>O complexes that can oxidize the C-H bonds of cyclohexane at room temperature

Cited 530 time in Web of Science Cited 545 time in Scopus
Authors

Kaizer, József; Klinker, Eric J.; Oh, Na Young; Rohde, Jan-Uwe; Song, Woon Ju; Stubna, Audria; Kim, Jin Heung; Münck, Eckard; Nam, Wonwoo; Que Jr., Lawrence

Issue Date
2004-01
Publisher
American Chemical Society
Citation
Journal of the American Chemical Society, Vol.126 No.2, pp.472-473
Abstract
Nonheme oxoiron(IV) complexes of two pentadentate ligands, N4Py (N,N-bis(2-pyridylmethyl)-bis(2-pyridyl)methylamine) and Bn-tpen (N-benzyl-N,N′,N′-tris(2-pyridylmethyl)-1,2-diaminoethane), have been generated and found to have spectroscopic properties similar to the closely related tetradentate TPA (tris(2-pyridylmethyl)amine) complex reported earlier. However, unlike the TPA complex, the pentadentate complexes have a considerable lifetime at room temperature. This greater thermal stability has allowed the hydroxylation of alkanes with C-H bonds as strong as 99.3 kcal/mol to be observed at room temperature. Furthermore, a large deuterium KIE value is found in the oxidation of ethylbenzene. These observations lend strong credence to postulated mechanisms of mononuclear nonheme iron enzymes that invoke the intermediacy of oxoiron(IV) species. Copyright © 2004 American Chemical Society.
ISSN
0002-7863
URI
https://hdl.handle.net/10371/203507
DOI
https://doi.org/10.1021/ja037288n
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  • College of Natural Sciences
  • Department of Chemistry
Research Area Biochemistry, Inorganic, 무기화학, 생화학

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