Chromium salen complexes efficiently catalyze the oxidation of organic sulfides to sulfoxides with iodobenzene diacetate [PhI(OAc)<sub>2</sub>] in the presence of a small amounts of water. A series of thioanisoles were quantitatively oxidized to the corresponding sulfoxides with excellent selectivities for sulfoxides The catalyst effects were investigated, showing a significant impact on the catalytic sulfoxidations based on the different catalysts used. The high-valent chromium (V)-oxo salens were generated and kinetically studied in the oxidation of thioanisole substrates, which provided mechanistic insights into the nature of the oxidizing intermediate and oxygen atom transfer mechanism.

Synthetic and mechanistic investigations on chromium salen-catalyzed oxidation of sulfides with iodobenzene diacetate

Macromolecular Chemistry: The Second Century

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ACS Spring 2020 National Meeting & Expo

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.