Oxidation of Sulfides with N‐Bromosuccinimide in the Presence of Hydrated Silica Gel

Mohammed Hashmat Ali Department of Chemistry, Southeast Missouri State University, Cape Girardeau, Missouri, USACorrespondence[email protected]

Melanie Hartman Department of Chemistry, Southeast Missouri State University, Cape Girardeau, Missouri, USA

Kimberly Lamp Department of Chemistry, Southeast Missouri State University, Cape Girardeau, Missouri, USA

Chad Schmitz Department of Chemistry, Southeast Missouri State University, Cape Girardeau, Missouri, USA

Tim Wencewicz Department of Chemistry, Southeast Missouri State University, Cape Girardeau, Missouri, USA

Abstract

An efficient and highly selective procedure for oxidation of sulfides to sulfoxides with N‐bromosuccinimide (NBS) in the presence of hydrated silica gel has been developed. Hydrated silica gel supplies the water necessary for decomposition of the intermediate bromosulfonium salt to the product, allowing the reaction to employ a nonaqueous media. Also, this procedure has increased the scope of the reaction by oxidizing a wider variety of sulfides, which was not possible until now.

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Acknowledgement

M.H.A. thanks Bjorn Olesen for help during preparation of this manuscript.

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Oxidation of Sulfides with N‐Bromosuccinimide in the Presence of Hydrated Silica Gel

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Oxidation of Sulfides with N‐Bromosuccinimide in the Presence of Hydrated Silica Gel

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