Stereoselective palladium-catalyzed carboaminoxylations of indoles with arylboronic acids and TEMPO

Angew Chem Int Ed Engl. 2009;48(23):4235-8. doi: 10.1002/anie.200901072.

Abstract

Indoles are not indolent: Various indoles react with arylboronic acids chemodivergently. C-H arylation of free indole and N-methylindole gives the corresponding C(2)-arylated indoles A whereas N-acylated, N-benzoylated, and N-Boc-protected indoles provide the corresponding arylcarboaminoxylated products B with excellent diastereoselectivity in good to excellent yields.

MeSH terms

  • Boronic Acids / chemistry*
  • Catalysis
  • Cyclic N-Oxides / chemistry*
  • Indoles / chemistry*
  • Palladium / chemistry*
  • Stereoisomerism

Substances

  • Boronic Acids
  • Cyclic N-Oxides
  • Indoles
  • Palladium
  • TEMPO