ArticleNature communications2014
Crystallographic and spectroscopic characterization and reactivities of a mononuclear non-haem iron(III)-superoxo complex.
Article in Nature communications, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.
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33 citing papers in PubMed, 137 citations in OpenAlex.
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- The Unique Role of the Second Coordination Sphere to Unlock and Control Catalysis in Nonheme Fe(II)/2-Oxoglutarate Histone Demethylase KDM2A.Inorganic chemistry · 2024Article
- A Nonheme Iron(III) Superoxide Complex Leads to Sulfur Oxygenation.Journal of the American Chemical Society · 2024Article
- Spectroscopic analysis of the mammalian enzyme cysteine dioxygenase.Methods in enzymology · 2023Article
- Isolating Fe-OMolecules (Basel, Switzerland) · 2022Review
- Electronic Structure and Reactivity of Dioxygen-Derived Aliphatic Thiolate-Ligated Fe-Peroxo and Fe(IV) Oxo Compounds.Journal of the American Chemical Society · 2022Article
- Why intermolecular nitric oxide (NO) transfer? Exploring the factors and mechanistic aspects of NO transfer reaction.Chemical science · 2022Article
- Structural and Spectroscopic Evidence for a Side-on Fe(III)-Superoxo Complex Featuring Discrete O-O Bond Distances.JACS Au · 2021Article
- Superoxide Oxidation by a Thiolate-Ligated Iron Complex and Anion Inhibition.Inorganic chemistry · 2021Article
- Enhancing Tris(pyrazolyl)borate-Based Models of Cysteine/Cysteamine Dioxygenases through Steric Effects: Increased Reactivities, Full Product Characterization and Hints to Initial Superoxide Formation.Chemistry (Weinheim an der Bergstrasse, Germany) · 2020Article
- Nitric oxide monooxygenation (NOM) reaction of cobalt-nitrosyl {Co(NO)}Chemical science · 2020Article
- Heme-FeJournal of the American Chemical Society · 2020Article
- Catalysis by the Non-Heme Iron(II) Histone Demethylase PHF8 Involves Iron Center Rearrangement and Conformational Modulation of Substrate Orientation.ACS catalysis · 2020Article
- Salicylate 5-Hydroxylase: Intermediates in Aromatic Hydroxylation by a Rieske Monooxygenase.Biochemistry · 2019Article
- Mononuclear Manganese(III) Superoxo Complexes: Synthesis, Characterization, and Reactivity.Inorganic chemistry · 2019Article
- Revisiting the Synthesis and Nucleophilic Reactivity of an Anionic Copper Superoxide Complex.Inorganic chemistry · 2019Article
- A Nonheme Thiolate-Ligated Cobalt Superoxo Complex: Synthesis and Spectroscopic Characterization, Computational Studies, and Hydrogen Atom Abstraction Reactivity.Journal of the American Chemical Society · 2019Article
- Formation of a Reactive, Alkyl Thiolate-Ligated FeJournal of the American Chemical Society · 2019Article
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Authors and funding
7 authors at 3 institutions in 2 countries.
Funding
Abstract
Mononuclear non-haem iron(III)-superoxo species (Fe(III)-O2(-·)) have been implicated as key intermediates in the catalytic cycles of dioxygen activation by non-haem iron enzymes. Although non-haem iron(III)-superoxo species have been trapped and characterized spectroscopically in enzymatic and biomimetic reactions, no structural information has yet been obtained. Here we report the isolation, spectroscopic characterization and crystal structure of a mononuclear side-on (η(2)) iron(III)-superoxo complex with a tetraamido macrocyclic ligand. The non-haem iron(III)-superoxo species undergoes both electrophilic and nucleophilic oxidation reactions, as well as O2-transfer between metal complexes. In the O2-transfer reaction, the iron(III)-superoxo complex transfers the bound O2 unit to a manganese(III) analogue, resulting in the formation of a manganese(IV)-peroxo complex, which is characterized structurally and spectroscopically as a mononuclear side-on (η(2)) manganese(IV)-peroxo complex. The difference in the redox distribution between the metal ions and O2 in iron(III)-superoxo and manganese(IV)-peroxo complexes is rationalized using density functional theory calculations.
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