ArticleJournal of the American Chemical Society2022
Cobalt-Carbon Bonding in a Salen-Supported Cobalt(IV) Alkyl Complex Postulated in Oxidative MHAT Catalysis.
Article in Journal of the American Chemical Society, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Cobaltaphotocatalysed intramolecular hydroarylation of alkenes for the construction of tetrahydroquinolines.Chemical science · 2026Article
- Electrochemical hydroxylation of alkenes with HNational science review · 2026Article
- Regioselective and site-divergent synthesis of tetrahydropyridines by controlled reductive-oxidative dearomative hydroarylation of pyridinium salts.Nature communications · 2025Article
- Unlocking nucleophilic reactivity in Co-MHAT catalysis: Stereospecific backside-backside displacement by anion-activated organocobalt.Science advances · 2025Article
- Photo- and Cobalt-Catalyzed Cycloisomerization of Unsaturated Guanidines, (Iso-)Ureas, and Carbonates.Organic letters · 2025Article
- Enantioselective Synthesis of α-Aryl Ketones by a Cobalt-Catalyzed Semipinacol Rearrangement.Angewandte Chemie (International ed. in English) · 2025Article
- Fe/Thiol Cooperative Hydrogen Atom Transfer Olefin Hydrogenation: Mechanistic Insights That Inform Enantioselective Catalysis.Journal of the American Chemical Society · 2024Article
- Engaging Alkenes in Metallaphotoredox: A Triple Catalytic, Radical Sorting Approach to Olefin-Alcohol Cross-Coupling.Journal of the American Chemical Society · 2024Article
- Evaluating Diazene to NChemistry (Weinheim an der Bergstrasse, Germany) · 2024Article
- Co-Catalyzed Hydrofluorination of Alkenes: Photocatalytic Method Development and Electroanalytical Mechanistic Investigation.Journal of the American Chemical Society · 2024Article
- Mechanism of Alkene Hydrofunctionalization by Oxidative Cobalt(salen) Catalyzed Hydrogen Atom Transfer.Journal of the American Chemical Society · 2024Article
- Nitrogen Trifluoride Complexes of Group 10 Transition Metals M(NFChemical science · 2023Article
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7 authors.
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Abstract
The catalytic hydrofunctionalization of alkenes through radical-polar crossover metal hydrogen atom transfer (MHAT) offers a mild pathway for the introduction of functional groups in sterically congested environments. For M = Co, this reaction is often proposed to proceed through secondary alkylcobalt(IV) intermediates, which have not been characterized unambiguously. Here, we characterize a metastable (salen)Co(isopropyl) cation, which is capable of forming C-O bonds with alcohols as proposed in the catalytic reaction. Electron nuclear double resonance (ENDOR) spectroscopy of this formally cobalt(IV) species establishes the presence of the cobalt-carbon bond, and accompanying DFT calculations indicate that the unpaired electron is localized on the cobalt center. Both experimental and computational studies show that the cobalt(IV)-carbon bond is stronger than the analogous bond in its cobalt(III) analogue, which is opposite of the usual oxidation state trend of bond energies. This phenomenon is attributable to an inverted ligand field that gives the bond Co
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