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April 18, 2026Chemical Communications0 citations

Ring expansion of benzocyclobutenols toward benzo b furans

YHYukitaka HoshiSYSuguru Yoshida

Key Points

  • The central aim is to develop an efficient method for ring expansion from benzocyclobutenols to benzo[b]furans.
  • Utilized aryne intermediates for ring expansion
  • Conducted oxyiodination of benzocyclobutenols
  • Prepared a variety of iodo-substituted benzo[b]furans
  • Successfully achieved ring expansion from 4 to 5 members
  • Synthesized multiple iodo-substituted benzo[b]furans
  • Showed high transformation efficiency in the reaction process

Abstract

An efficient 4-to-5 ring expansion through aryne intermediates is disclosed. A wide variety of iodo-substituted benzo b furans are prepared from benzocyclobutenols via unusual oxyiodination of aryne intermediates. The great transformability of...

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Cite This Study

Hoshi et al. (2026) studied this question.

synapsesocial.com/papers/69e3216540886becb6540b2fhttps://doi.org/10.1039/d6cc01989g
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