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Reactive high-spin iron(IV)-oxo sites through dioxygen activation in a metal-organic framework.
Hou, Kaipeng; Börgel, Jonas; Jiang, Henry Z H; SantaLucia, Daniel J; Kwon, Hyunchul; Zhuang, Hao; Chakarawet, Khetpakorn; Rohde, Rachel C; Taylor, Jordan W; Dun, Chaochao; Paley, Maria V; Turkiewicz, Ari B; Park, Jesse G; Mao, Haiyan; Zhu, Ziting; Alp, E Ercan; Zhao, Jiyong; Hu, Michael Y; Lavina, Barbara; Peredkov, Sergey; Lv, Xudong; Oktawiec, Julia; Meihaus, Katie R; Pantazis, Dimitrios A; Vandone, Marco; Colombo, Valentina; Bill, Eckhard; Urban, Jeffrey J; Britt, R David; Grandjean, Fernande; Long, Gary J; DeBeer, Serena; Neese, Frank; Reimer, Jeffrey A; Long, Jeffrey R.
Afiliação
  • Hou K; Department of Chemistry, University of California, Berkeley, CA 94720, USA.
  • Börgel J; Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.
  • Jiang HZH; Department of Chemistry, University of California, Berkeley, CA 94720, USA.
  • SantaLucia DJ; Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.
  • Kwon H; Department of Chemistry, University of California, Berkeley, CA 94720, USA.
  • Zhuang H; Max Planck Institute for Chemical Energy Conversion, D-45470 Mülheim an der Ruhr, Germany.
  • Chakarawet K; Max-Planck-Institut für Kohlenforschung, D-45470 Mülheim an der Ruhr, Germany.
  • Rohde RC; Department of Chemistry, University of California, Berkeley, CA 94720, USA.
  • Taylor JW; Department of Chemical and Biomolecular Engineering, University of California, Berkeley, CA 94720, USA.
  • Dun C; Department of Materials Science and Engineering, University of California, Berkeley, CA 94720, USA.
  • Paley MV; Department of Chemistry, University of California, Davis, CA 95616, USA.
  • Turkiewicz AB; Department of Chemistry, University of California, Berkeley, CA 94720, USA.
  • Park JG; Department of Chemistry, University of California, Berkeley, CA 94720, USA.
  • Mao H; The Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.
  • Zhu Z; Department of Chemistry, University of California, Berkeley, CA 94720, USA.
  • Alp EE; Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.
  • Zhao J; Department of Chemistry, University of California, Berkeley, CA 94720, USA.
  • Hu MY; Department of Chemistry, University of California, Berkeley, CA 94720, USA.
  • Lavina B; Department of Chemical and Biomolecular Engineering, University of California, Berkeley, CA 94720, USA.
  • Peredkov S; Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.
  • Lv X; Department of Materials Science and Engineering, University of California, Berkeley, CA 94720, USA.
  • Oktawiec J; Advanced Photon Source, Argonne National Laboratory, Lemont, IL 60439, USA.
  • Meihaus KR; Advanced Photon Source, Argonne National Laboratory, Lemont, IL 60439, USA.
  • Pantazis DA; Advanced Photon Source, Argonne National Laboratory, Lemont, IL 60439, USA.
  • Vandone M; Advanced Photon Source, Argonne National Laboratory, Lemont, IL 60439, USA.
  • Colombo V; Center for Advanced Radiation Sources, The University of Chicago, Chicago, IL 60637, USA.
  • Bill E; Max Planck Institute for Chemical Energy Conversion, D-45470 Mülheim an der Ruhr, Germany.
  • Urban JJ; Department of Chemistry, University of California, Berkeley, CA 94720, USA.
  • Britt RD; Department of Chemistry, Northwestern University, Evanston, IL 60208, USA.
  • Grandjean F; Department of Chemistry, University of California, Berkeley, CA 94720, USA.
  • Long GJ; Max-Planck-Institut für Kohlenforschung, D-45470 Mülheim an der Ruhr, Germany.
  • DeBeer S; Department of Chemistry, University of Milan, 20133 Milan, Italy.
  • Neese F; Department of Chemistry, University of Milan, 20133 Milan, Italy.
  • Reimer JA; Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali (INSTM), UdR Milano, Via Golgi 19, 20133 Milano, Italy.
  • Long JR; Max Planck Institute for Chemical Energy Conversion, D-45470 Mülheim an der Ruhr, Germany.
Science ; 382(6670): 547-553, 2023 Nov 03.
Article em En | MEDLINE | ID: mdl-37917685
ABSTRACT
In nature, nonheme iron enzymes use dioxygen to generate high-spin iron(IV)=O species for a variety of oxygenation reactions. Although synthetic chemists have long sought to mimic this reactivity, the enzyme-like activation of O2 to form high-spin iron(IV) = O species remains an unrealized goal. Here, we report a metal-organic framework featuring iron(II) sites with a local structure similar to that in α-ketoglutarate-dependent dioxygenases. The framework reacts with O2 at low temperatures to form high-spin iron(IV) = O species that are characterized using in situ diffuse reflectance infrared Fourier transform, in situ and variable-field Mössbauer, Fe Kß x-ray emission, and nuclear resonance vibrational spectroscopies. In the presence of O2, the framework is competent for catalytic oxygenation of cyclohexane and the stoichiometric conversion of ethane to ethanol.

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Science Ano de publicação: 2023 Tipo de documento: Article País de afiliação: Estados Unidos

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Science Ano de publicação: 2023 Tipo de documento: Article País de afiliação: Estados Unidos
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