Unsaturated, mixed-valence diiron dithiolate model for the Hox state of the [FeFe] hydrogenase

Aaron K. Justice; Thomas B. Rauchfuss; Scott R. Wilson

doi:10.1002/anie.200702224

Unsaturated, mixed-valence diiron dithiolate model for the H_ox state of the [FeFe] hydrogenase

Aaron K. Justice, Thomas B. Rauchfuss, Scott R. Wilson

Chemistry

Research output: Contribution to journal › Article › peer-review

Abstract

(Chemical Equation Presented) Chemists are closing in on functional and structural models for the [FeFe] hydrogenases. Oxidation of [Fe ₂(S₂C₂H₄) (CO)₃-(PMe ₃)(dppv)] (dppv = cis-1,2-C₂H₂-(PPh ₂)₂) by one electron affords a mixed-valence model for the H_ox state of the active site of the [FeFe] hydrogenases. Like the enzyme, this model exhibits the "rotated structure" and binds CO (see scheme). The radical character of the model is confirmed by its ready binding of NO.

Original language	English (US)
Pages (from-to)	6152-6154
Number of pages	3
Journal	Angewandte Chemie - International Edition
Volume	46
Issue number	32
DOIs	https://doi.org/10.1002/anie.200702224
State	Published - 2007

Keywords

Hydrogen
Hydrogenases
Iron
Mixed-valent compounds
Thiolates

ASJC Scopus subject areas

General Chemistry

Online availability

10.1002/anie.200702224

Library availability

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Cite this

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title = "Unsaturated, mixed-valence diiron dithiolate model for the Hox state of the [FeFe] hydrogenase",

abstract = "(Chemical Equation Presented) Chemists are closing in on functional and structural models for the [FeFe] hydrogenases. Oxidation of [Fe 2(S2C2H4) (CO)3-(PMe 3)(dppv)] (dppv = cis-1,2-C2H2-(PPh 2)2) by one electron affords a mixed-valence model for the Hox state of the active site of the [FeFe] hydrogenases. Like the enzyme, this model exhibits the {"}rotated structure{"} and binds CO (see scheme). The radical character of the model is confirmed by its ready binding of NO.",

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T1 - Unsaturated, mixed-valence diiron dithiolate model for the Hox state of the [FeFe] hydrogenase

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AU - Rauchfuss, Thomas B.

AU - Wilson, Scott R.

PY - 2007

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AB - (Chemical Equation Presented) Chemists are closing in on functional and structural models for the [FeFe] hydrogenases. Oxidation of [Fe 2(S2C2H4) (CO)3-(PMe 3)(dppv)] (dppv = cis-1,2-C2H2-(PPh 2)2) by one electron affords a mixed-valence model for the Hox state of the active site of the [FeFe] hydrogenases. Like the enzyme, this model exhibits the "rotated structure" and binds CO (see scheme). The radical character of the model is confirmed by its ready binding of NO.

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KW - Iron

KW - Mixed-valent compounds

KW - Thiolates

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