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Photoinduced Palladium-Catalyzed Intermolecular Radical Cascade Cyclization of N-Arylacrylamides with Unactivated Alkyl Bromides.

Juan DuXing WangHongling WangJinhu WeiXuan HuangJun SongJunmin Zhang
Published in: Organic letters (2021)
A mild visible-light-induced Pd-catalyzed intermolecular radical cascade reaction of N-arylacrylamides with unactivated alkyl bromides is disclosed. Photoexcited Pd complexes transfer a single electron in this protocol, and hybrid alkyl Pd-radical species are involved as the key reaction intermediates. Sophisticated bioactive oxindole derivatives bearing various substituents and substitution patterns can be efficiently afforded through this approach.
Keyphrases
  • electron transfer
  • ionic liquid
  • randomized controlled trial
  • energy transfer
  • visible light