Communication
Activation of a High-Valent Manganese–Oxo Complex by a Nonmetallic Lewis Acid
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† Department of Chemistry, The Johns Hopkins University, 3400 North Charles Street, Baltimore, Maryland 21218, United States
‡ Department of Chemistry and Pharmacy, University of Erlangen-Nürnberg, 91058 Erlangen, Germany
Inorg. Chem., Article ASAP
DOI: 10.1021/ic500901y
Publication Date (Web): May 29, 2014
Copyright © 2014 American Chemical Society
*E-mail: dpg@jhu.edu.
Abstract
The reaction of a manganese(V)–oxo porphyrinoid complex with the Lewis acid B(C6F5)3 leads to reversible stabilization of the valence tautomer MnIV(O)(π-radical cation). The latter complex, in combination with B(C6F5)3, reacts with ArO–H substrates via formal hydrogen-atom transfer and exhibits dramatically increased reaction rates over the MnV(O) starting material.
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