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- W4254194955 abstract "Iron porphyrin carbenes (IPCs) are thought to be intermediates involved in the metabolism of various xenobiotics by cytochrome P450, as well as in chemical reactions catalyzed by metalloporphyrins and engineered P450s. While early work proposed IPCs to contain FeII, more recent work invokes a double-bond description of the iron–carbon bond, similar to that found in FeIV porphyrin oxenes. Reported herein is the first quantum chemical investigation of IPC Mössbauer and NMR spectroscopic properties, as well as their electronic structures, together with comparisons to ferrous heme proteins and an FeIV oxene model. The results provide the first accurate predictions of the experimental spectroscopic observables as well as the first theoretical explanation of their electrophilic nature, as deduced from experiment. The preferred resonance structure is FeII←{:C(X)Y}0 and not FeIV{C(X)Y}2−, a result that will facilitate research on IPC reactivities in various chemical and biochemical systems." @default.
- W4254194955 created "2022-05-12" @default.
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- W4254194955 date "2014-06-06" @default.
- W4254194955 modified "2023-10-01" @default.
- W4254194955 title "Iron Porphyrin Carbenes as Catalytic Intermediates: Structures, Mössbauer and NMR Spectroscopic Properties, and Bonding" @default.
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- W4254194955 doi "https://doi.org/10.1002/ange.201402472" @default.
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