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Rhodium-Catalyzed Enantioselective Addition of Heteroarenium Salts Enabled by Nucleophilic Cyclization of 2-Alkynylanilines.

Yaling HuangZisong QiXingwei Li
Published in: Organic letters (2023)
Transition-metal-catalyzed cyclative coupling of 2-alkynylanilines provides a feasible routine for accessing functionalized indoles. Herein, a rhodium-catalyzed highly enantioselective addition of heteroarenium salts is presented, which is enabled by the nucleophilic cyclization of 2-alkynylanilines. It offers feasible protocols to access enantioenriched functionalized indoles tethered to 1,2-dihydropyridine and 1,2-dihydroquinoline motifs with excellent enantioselectivities.
Keyphrases
  • room temperature
  • ionic liquid
  • transition metal
  • quantum dots
  • molecularly imprinted