4.8 Article

Bay-Region Annulative π-Extension of o-lodobiphenyls with Aliphatic Anhydrides Catalyzed by Pd(OAc)2

Journal

ORGANIC LETTERS
Volume 23, Issue 19, Pages 7535-7539

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.1c02746

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Funding

  1. National Natural Science Foundation of China [21871195, 21772135]
  2. Sichuan Normal University

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The annulative pi-extension of o-iodobiphenyls with aliphatic anhydrides in the bay-region leads to efficient synthesis of phenanthrol derivatives. Control experiments suggest dibenzopalladacyclopentadienes as reaction intermediates.
Bay-region annulative pi-extension of o-iodobiphenyls with aliphatic anhydrides was developed. Many o-iodobiphenyls and aliphatic anhydrides can react well under the optimized conditions. A lot of phenanthrol derivatives can be efficiently prepared by this approach. The control experiments support that dibenzopalladacyclopentadienes may be the reaction intermediates.

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