Abstract

The iodine-promoted triflylation of 1,4-benzoquinones with cheap and easily available sodium trifluoromethanesulfinate is achieved under mild conditions. A series of aryl triflones were obtained in moderate to good yields. The method could also be extended to triflylation of 1,4-benzoquinone monoamines and perfluoroalkanesulfonylation with sodium perfluoroalkanesulfinates.

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