Direct photochemical activation of non-heme Fe(IV)O complexes

Juan Chen; Apparao Draksharapu; Emma Harvey; Waqas Rasheed; Lawrence Que; Wesley R. Browne

doi:10.1039/C7CC07452B

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Direct photochemical activation of non-heme Fe(iv)O complexes†

Juan Chen,^a Apparao Draksharapu,

^ab Emma Harvey,^a Waqas Rasheed,

^b Lawrence Que, Jr.

*^b and Wesley R. Browne

*^a

Author affiliations

* Corresponding authors

^a Stratingh Institute for Chemistry, Faculty of Science and Engineering, Nijenborgh 4, Groningen, The Netherlands
E-mail: w.r.browne@rug.nl

^b Department of Chemistry and Center for Metals in Biocatalysis, University of Minnesota, 207 Pleasant St. SE, University of Minnesota, Minneapolis, Minnesota, USA
E-mail: larryque@umn.edu

Abstract

Near-UV excitation of non-heme Fe^IV [double bond, length as m-dash] O complexes results in light intensity dependent increase in reaction rates for the oxidation of C–H bonds even at low temperature (−30 °C). The enhancement of activity is ascribed to the ligand-to-[Fe^IVO] charge transfer character of the near-UV bands to generate a highly reactive [(L⁺) Fe^III–O*] species. The enhancement is not observed with visible/NIR excitation of the d–d absorption bands.

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Article information

DOI: https://doi.org/10.1039/C7CC07452B
Article type: Communication
Submitted: 24 Sep 2017
Accepted: 27 Oct 2017
First published: 27 Oct 2017

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Chem. Commun., 2017,53, 12357-12360

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Direct photochemical activation of non-heme Fe(IV)O complexes

J. Chen, A. Draksharapu, E. Harvey, W. Rasheed, L. Que and W. R. Browne, Chem. Commun., 2017, 53, 12357 DOI: 10.1039/C7CC07452B

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Chemical Communications

Direct photochemical activation of non-heme Fe(iv)O complexes†

Abstract

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Direct photochemical activation of non-heme Fe(IV)O complexes

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