KuQuinone as a Highly Stable and Reusable Organic Photocatalyst in Selective Oxidation of Thioethers to Sulfoxides
Mattia Forchetta, Federica Sabuzi, Lorenzo Stella, Valeria Conte and Pierluca Galloni*
*Department of Chemical Science and Technologies, University of Rome Tor Vergata, Via della Ricerca Scientifica, 00133 Rome, Italy,
Email: galloni
scienze.uniroma2.it
M. Forchetta, F. Sabuzi, L. Stella, V. Conte, P. Galloni, J. Org. Chem., 2022, 87, 14016-14025.
DOI: 10.1021/acs.joc.2c01648
Abstract
A metal-free quinoid catalyst, namely 1-hexylKuQuinone (KuQ), promotes a chemoselective, light-induced thioether to sulfoxide oxidation in HFIP, using O2 as the oxidant, at room temperature. Remarkably, the system can be recharged and recycled without loss of activity and selectivity.
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Key Words
sulfoxides, oxygen, photochemistry, organocatalysis
ID: J42-Y2022
