Electrochemical Aziridination of Internal Alkenes with Primary Amines

Maksim Ošeka, Gabriele Laudadio, Nicolaas P. van Leest, Marco Dyga, Aloisio de A. Bartolomeu, Lukas J. Gooßen, Bas de Bruin, Kleber T. de Oliveira, Timothy Noël (Corresponding author)

Research output: Contribution to journalArticleAcademicpeer-review

1 Citation (Scopus)

Abstract

Aziridines are useful synthetic building blocks, widely employed for the preparation of various nitrogen-containing derivatives. As the current methods require the use of prefunctionalized amines, the development of a synthetic strategy toward aziridines that can establish the union of alkenes and amines would be of great synthetic value. Herein, we report an electrochemical approach, which realizes this concept via an oxidative coupling between alkenes and primary alkylamines. The reaction is carried out in an electrochemical flow reactor leading to short reaction/residence times (5 min), high yields, and broad scope. At the cathode, hydrogen is generated, which can be used in a second reactor to reduce the aziridine, yielding the corresponding hydroaminated product. Mechanistic investigations and DFT calculations revealed that the alkene is first anodically oxidized and subsequently reacted with the amine coupling partner.

Original languageEnglish
Pages (from-to)255-266
Number of pages12
JournalChem
Volume7
Issue number1
DOIs
Publication statusPublished - 14 Jan 2021

Keywords

  • anodic oxidation
  • aziridination
  • electrochemistry
  • flow chemistry
  • hydroamination
  • paired electrosynthesis
  • SDG12: Responsible consumption and production
  • SDG3: Good health and well-being
  • SDG9: Industry, innovation, and infrastructure

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