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Keywords:

  • aldehydes;
  • arenes;
  • carbonylation;
  • palladium;
  • synthetic methods
Thumbnail image of graphical abstract

Easy peasy: The title reaction employs N-formylsaccharin, which is an easily accessible crystalline compound, as an effective CO source. The reactions proceed with a small excess of the CO source at moderate temperatures and were successfully applied to a wide range of aryl bromides. DMF=N,N-dimethylformamide, dppb=1,4-bis-(diphenylphosphino)butane.