Abstract
The report that oxidation of sulfides to sulfoxides using tetrabutylammonium peroxydisulfate (2) in methylene chloride was found to be erroneous. We repeated the procedure described in the paper and found that oxidation of sulfide to sulfoxide could not be achieved with the method.
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Acknowledgment
This work was supported by Grant R03‐2001‐00033 from the Korea Science and Engineering Foundation and Center for Molecular Design and Synthesis.