A Mild and Highly Efficient Oxidation of Sulfides to Sulfoxides with Periodic Acid Catalyzed by FeCl₃

Sung Soo Kim*, Kasi Nehru, Sang Soo Kim, Dong Won Kim, Hyun Chul Jung

*Department of Chemistry and Center for Chemical Dynamics, Inha University, Incheon 402-751, South Korea, Email: sungsooinha.ac.kr

S. S. Kim, K. Nehru, S. S. Kim, D. W. Kim, H. C. Jung, Synthesis, 2002, 2484-2486.

DOI: 10.1055/s-2002-35623

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Abstract

An excellent method for the selective oxidation of sulfides to sulfoxides with periodic acid (H₅IO₆) catalyzed by FeCl₃ in MeCN has been devised. The reported procedure is fast, simple and the yields are excellent in most cases with reaction time of less than 2 minutes.

see article for more examples

proposed mechanism

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Key Words

sulfides, sulfoxides, periodic acid, iron chloride, hypervalent

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ID: J66-Y2002-1680