Iodine‐Catalyzed Claisen‐Rearrangements of Allyl Aryl Ethers and Subsequent Iodocyclizations

Abstract: Iodine can be considered as the simplest halogen‐bond donor. Previous investigations have revealed its remarkable catalytic effect in various reactions. The catalytic activity of iodine can often even compete with that of traditional Lewis acids. So far, iodine was typically used to activate carbonyl derivatives like Michael acceptors. We now demonstrate that iodine can also be used to activate allyl aryl ethers in Claisen rearrangements. The formed ortho‐allylic phenols rapidly undergo iodocyclizations to afford dihydrobenzofurans, which are important building blocks for medicinal applications. A comparison with different catalysts further highlights the potential of iodine catalysis for this reaction. Computational and mechanistic investigations provide deeper insights into the underlying non‐covalent interactions and their role for the catalysis.

Location
Deutsche Nationalbibliothek Frankfurt am Main
Extent
Online-Ressource
Language
Englisch

Bibliographic citation
Iodine‐Catalyzed Claisen‐Rearrangements of Allyl Aryl Ethers and Subsequent Iodocyclizations ; day:18 ; month:01 ; year:2023 ; extent:8
Chemistry ; (18.01.2023) (gesamt 8)

Creator
Arndt, Thiemo
Raina, Abhinav
Breugst, Martin

DOI
10.1002/asia.202201279
URN
urn:nbn:de:101:1-2023011914085936457243
Rights
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Last update
15.08.2025, 7:22 AM CEST

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Associated

  • Arndt, Thiemo
  • Raina, Abhinav
  • Breugst, Martin

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