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

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

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

Chemistry (Twin Cities)

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

Near-UV excitation of non-heme Fe^IVO 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.

Original language	English (US)
Pages (from-to)	12357-12360
Number of pages	4
Journal	Chemical Communications
Volume	53
Issue number	91
DOIs	https://doi.org/10.1039/c7cc07452b
State	Published - 2017

Bibliographical note

Funding Information:
The Ministry of Education, Culture and Science of the Netherlands (Gravity program 024.001.035, WRB), Ubbo Emmius fund (AD) and the Chinese Scholarship Council (JC) are acknowledged for financial support, as is the US National Science Foundation for work carried out in Minnesota (CHE1665391, LQ).

Publisher Copyright:
© 2017 The Royal Society of Chemistry.

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title = "Direct photochemical actIVation of non-heme Fe(IV)O complexes",

abstract = "Near-UV excitation of non-heme FeIVO 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-[FeIVO] charge transfer character of the near-UV bands to generate a highly reactive [(L+) FeIII-O∗] species. The enhancement is not observed with visible/NIR excitation of the d-d absorption bands.",

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doi = "10.1039/c7cc07452b",

language = "English (US)",

volume = "53",

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T1 - Direct photochemical actIVation of non-heme Fe(IV)O complexes

AU - Chen, Juan

AU - Draksharapu, Apparao

AU - Harvey, Emma

AU - Rasheed, Waqas

AU - Que, Lawrence

AU - Browne, Wesley R.

N1 - Funding Information: The Ministry of Education, Culture and Science of the Netherlands (Gravity program 024.001.035, WRB), Ubbo Emmius fund (AD) and the Chinese Scholarship Council (JC) are acknowledged for financial support, as is the US National Science Foundation for work carried out in Minnesota (CHE1665391, LQ). Publisher Copyright: © 2017 The Royal Society of Chemistry.

PY - 2017

Y1 - 2017

N2 - Near-UV excitation of non-heme FeIVO 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-[FeIVO] charge transfer character of the near-UV bands to generate a highly reactive [(L+) FeIII-O∗] species. The enhancement is not observed with visible/NIR excitation of the d-d absorption bands.

AB - Near-UV excitation of non-heme FeIVO 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-[FeIVO] charge transfer character of the near-UV bands to generate a highly reactive [(L+) FeIII-O∗] species. The enhancement is not observed with visible/NIR excitation of the d-d absorption bands.

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JO - Chemical Communications

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

Abstract

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