Jump to main content
Jump to site search

Issue 8, 2015
Previous Article Next Article

Operando X-ray absorption and EPR evidence for a single electron redox process in copper catalysis

Author affiliations

Abstract

An unprecedented single electron redox process in copper catalysis is confirmed using operando X-ray absorption and EPR spectroscopies. The oxidation state of the copper species in the interaction between Cu(II) and a sulfinic acid at room temperature, and the accurate characterization of the formed Cu(I) are clearly shown using operando X-ray absorption and EPR evidence. Further investigation of anion effects on Cu(II) discloses that bromine ions can dramatically increase the rate of the redox process. Moreover, it is proven that the sulfinic acids are converted into sulfonyl radicals, which can be trapped by 2-arylacrylic acids and various valuable β-keto sulfones are synthesized with good to excellent yields under mild conditions.

Graphical abstract: Operando X-ray absorption and EPR evidence for a single electron redox process in copper catalysis

Back to tab navigation

Supplementary files

Publication details

The article was received on 05 Mar 2015, accepted on 26 May 2015 and first published on 26 May 2015


Article type: Edge Article
DOI: 10.1039/C5SC00807G
Citation: Chem. Sci., 2015,6, 4851-4854
  • Open access: Creative Commons BY-NC license
  •   Request permissions

    Operando X-ray absorption and EPR evidence for a single electron redox process in copper catalysis

    Q. Lu, J. Zhang, P. Peng, G. Zhang, Z. Huang, H. Yi, J. T. Miller and A. Lei, Chem. Sci., 2015, 6, 4851
    DOI: 10.1039/C5SC00807G

    This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence. Material from this article can be used in other publications provided that the correct acknowledgement is given with the reproduced material and it is not used for commercial purposes.

    Reproduced material should be attributed as follows:

    • For reproduction of material from NJC:
      [Original citation] - Published by The Royal Society of Chemistry (RSC) on behalf of the Centre National de la Recherche Scientifique (CNRS) and the RSC.
    • For reproduction of material from PCCP:
      [Original citation] - Published by the PCCP Owner Societies.
    • For reproduction of material from PPS:
      [Original citation] - Published by The Royal Society of Chemistry (RSC) on behalf of the European Society for Photobiology, the European Photochemistry Association, and RSC.
    • For reproduction of material from all other RSC journals:
      [Original citation] - Published by The Royal Society of Chemistry.

    Information about reproducing material from RSC articles with different licences is available on our Permission Requests page.

Search articles by author

Spotlight

Advertisements