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Mix and wait: Trifluoromethyl sulfonium salts that are able to react as reagents in the trifluoromethylation of various nucleophiles are formed in a multicomponent reaction. The desired electrophilic reagents are prepared from an aryl substrate, trifluoromethanesulfonic anhydride, and potassium trifluoromethanesulfinate in a one-pot procedure (see scheme). Supporting information for this article is available on the WWW under http: //www. wiley-vch. de/contents/jc₂002/2006/z503776ₛ. pdf or from the author. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
Magnier et al. (Tue,) studied this question.