4.1 Article

Deoxygenation of sulfoxides to thioethers by molybdenum pentachloride (MoCl5) and reductive coupling of sulfonyl chlorides to disulfides

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GORDON BREACH PUBLISHING, TAYLOR & FRANCIS GROUP
DOI: 10.1080/10426500108040599

Keywords

deoxygenation; thioethers; reductive coupling; sulfoxides; sulfonyl chlorides; disulfides

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Molybdenum pentachloride (MoCl5) in the presence of NaI in dry acetonitrile or zinc powder in anhydrous THF converts sulfoxides to their thioethers in high yields. Sulfonyl chlorides can be readily reduced to their corresponding disulfides with MoCl5/NaI/MeCN at room temperature or with MoCI5/Zn/MeCN under reflux conditions in high yields.

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