Regiospecific one-pot synthesis of diaryliodonium tetrafluoroborates from arylboronic acids and aryl iodides |
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Authors: | Bielawski Marcin Aili David Olofsson Berit |
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Affiliation: | Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, Stockholm, Sweden. |
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Abstract: | Diaryliodonium salts have recently received considerable attention as mild arylation reagents in organic synthesis. This paper describes a regiospecific, sequential one-pot synthesis of symmetrical and unsymmetrical diaryliodonium tetrafluoroborates, which are the most popular salts in metal-catalyzed arylations. The protocol is fast and high-yielding and has a large substrate scope. Furthermore, the corresponding diaryliodonium triflates can conveniently be obtained via an in situ anion exchange. |
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