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Evidence for a terminal Pt(iv)-oxo complex exhibiting diverse reactivity

Author

Listed:
  • Elena Poverenov

    (Department of Organic Chemistry,)

  • Irena Efremenko

    (Department of Organic Chemistry,)

  • Anatoly I. Frenkel

    (Yeshiva University, New York, New York 10016, USA)

  • Yehoshoa Ben-David

    (Department of Organic Chemistry,)

  • Linda J. W. Shimon

    (Unit of Chemical Research Support, The Weizmann Institute of Science, Rehovot 76100, Israel)

  • Gregory Leitus

    (Unit of Chemical Research Support, The Weizmann Institute of Science, Rehovot 76100, Israel)

  • Leonid Konstantinovski

    (Unit of Chemical Research Support, The Weizmann Institute of Science, Rehovot 76100, Israel)

  • Jan M. L. Martin

    (Department of Organic Chemistry,)

  • David Milstein

    (Department of Organic Chemistry,)

Abstract

Catalytic oxidation: a platinum standard Many important biological and chemical processes, including photocatalytic water oxidation to molecular oxygen (of interest as a route to artificial photosynthesis) and the activation of dioxygen on metal surfaces, are thought to involve transition metal terminal oxo complexes. Poverenov et al. now report the synthesis of a platinum based oxidizing reagent with potentially useful characteristics. It's a d6 Pt(IV) terminal oxo complex that is not stabilized by an electron accepting ligand framework, and so exhibits reactivity as both an inter- and intra-molecular oxygen donor and as an electrophile. It also undergoes water activation to produce a terminal dihydroxo complex, which may be of relevance to the mechanism of water oxidation and other catalytic reactions.

Suggested Citation

  • Elena Poverenov & Irena Efremenko & Anatoly I. Frenkel & Yehoshoa Ben-David & Linda J. W. Shimon & Gregory Leitus & Leonid Konstantinovski & Jan M. L. Martin & David Milstein, 2008. "Evidence for a terminal Pt(iv)-oxo complex exhibiting diverse reactivity," Nature, Nature, vol. 455(7216), pages 1093-1096, October.
    • Handle: RePEc:nat:nature:v:455:y:2008:i:7216:d:10.1038_nature07356
    DOI: 10.1038/nature07356
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