Journal
CATALYSIS SCIENCE & TECHNOLOGY
Volume 7, Issue 9, Pages 1902-1911Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7cy00557a
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Funding
- TUM Graduate School and the Fonds der Chemischen Industrie (FCI)
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An iron-NHC complex bearing a tetradentate bis(N-heterocyclic carbene) ligand is applied as catalyst for the oxidation of methyl substituted arene substrates. Using hydrogen peroxide as the oxidant p-xylene and pseudocumene are converted to the corresponding phenols and benzoquinones. The influence of various reaction parameters like temperature, catalyst loading, and oxidant concentration is investigated and kinetic experiments reveal that a temperature reduction leads to an increased catalyst lifetime. Furthermore, an interesting selectivity towards unexpected phenolic products resulting from a methyl shift reaction is observed.
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