Catalytic hydroxylation of benzene and toluene by an iron complex bearing a chelating di-pyridyl-di-NHC ligand

Andreas Raba; Mirza Cokoja; Wolfgang A. Herrmann; Fritz E. Kühn

doi:10.1039/c4cc02178a

Catalytic hydroxylation of benzene and toluene by an iron complex bearing a chelating di-pyridyl-di-NHC ligand

Andreas Raba, Mirza Cokoja, Wolfgang A. Herrmann, Fritz E. Kühn

Technical University of Munich

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

88 Scopus citations

Abstract

This work reports on iron-catalysed hydroxylation of benzene and toluene using aqueous H₂O₂. While benzene is hydroxylated with a high selectivity to phenol, toluene is hydroxylated to cresols with a high selectivity for the ortho and para-position. An inverse KIE indicates the presence of a high valent Fe=O species during catalysis.

Original language	English
Pages (from-to)	11454-11457
Number of pages	4
Journal	Chemical Communications
Volume	50
Issue number	78
DOIs	https://doi.org/10.1039/c4cc02178a
State	Published - 4 Sep 2014

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title = "Catalytic hydroxylation of benzene and toluene by an iron complex bearing a chelating di-pyridyl-di-NHC ligand",

abstract = "This work reports on iron-catalysed hydroxylation of benzene and toluene using aqueous H2O2. While benzene is hydroxylated with a high selectivity to phenol, toluene is hydroxylated to cresols with a high selectivity for the ortho and para-position. An inverse KIE indicates the presence of a high valent Fe=O species during catalysis.",

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AU - Raba, Andreas

AU - Cokoja, Mirza

AU - Herrmann, Wolfgang A.

AU - Kühn, Fritz E.

PY - 2014/9/4

Y1 - 2014/9/4

N2 - This work reports on iron-catalysed hydroxylation of benzene and toluene using aqueous H2O2. While benzene is hydroxylated with a high selectivity to phenol, toluene is hydroxylated to cresols with a high selectivity for the ortho and para-position. An inverse KIE indicates the presence of a high valent Fe=O species during catalysis.

AB - This work reports on iron-catalysed hydroxylation of benzene and toluene using aqueous H2O2. While benzene is hydroxylated with a high selectivity to phenol, toluene is hydroxylated to cresols with a high selectivity for the ortho and para-position. An inverse KIE indicates the presence of a high valent Fe=O species during catalysis.

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U2 - 10.1039/c4cc02178a

DO - 10.1039/c4cc02178a

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EP - 11457

JO - Chemical Communications

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ER -

Catalytic hydroxylation of benzene and toluene by an iron complex bearing a chelating di-pyridyl-di-NHC ligand

Abstract

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