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Phosphorus, Sulfur, and Silicon and the Related Elements Volume 170, 2001 - Issue 1
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Original Articles

DEOXYGENATION OF SULFOXIDES TO THIOETHERS BY MOLYBDENUM PENTACHLORIDE (MOCL5) AND REDUCTIVE COUPLING OF SULFONYL CHLORIDES TO DISULFIDES

H. Firouzabadi Department of Chemistry, College of Sciences, Shiraz University, Shiraz, 71454, Iran
&
A. Jamalian Department of Chemistry, College of Sciences, Shiraz University, Shiraz, 71454, Iran
Pages 211-220 | Received 16 Nov 2000, Published online: 27 Oct 2006
 
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Abstract

Molybdenum pentachloride (MoCl5) in the presence of Nal 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/Nal/MeCN at room temperature or with MoCl5/Zn/MeCN under reflux conditions in high yields.

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