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All articles of this category A reagent prepared from a 1:2 molar ratio of (diacetoxy)iodobenzene [PhI(OAc) 2 ] and trifluoromethanesulfonic acid (TfOH) reacts with aromatic compounds to give diaryliodonium triflates in fairly good yields. The high reactivity and high para selectivity of the reagent [PhI(OAc) 2 -2TfOH] are described.
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Kitamura et al. (1994) studied this question.
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