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

8 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 - Jan 1 2017

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Chen, J., Draksharapu, A., Harvey, E., Rasheed, W., Que, L., & Browne, W. R. (2017). Direct photochemical actIVation of non-heme Fe(IV)O complexes. Chemical Communications, 53(91), 12357-12360. https://doi.org/10.1039/c7cc07452b

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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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AU - Chen, Juan

AU - Draksharapu, Apparao

AU - Harvey, Emma

AU - Rasheed, Waqas

AU - Que, Lawrence

AU - Browne, Wesley R.

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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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