A convenient and expeditious synthesis of 3-(N-substituted) aminocoumarins via palladium-catalyzed Buchwald-Hartwig coupling reaction

Davide Audisio, Samir Messaoudi, Jean François Peyrat, Jean Daniel Brion, Mouâd Alami

Research output: Contribution to journalArticlepeer-review

Abstract

A convenient protocol for the rapid and efficient synthesis of 3-(N-substituted) aminocoumarins is described. The synthetic route developed involves the Pd-catalyzed C-N coupling reaction from readily available 3-bromocoumarin derivatives in the presence of the catalytic system Pd(OAc)2/Xantphos. Under these conditions, a series of nucleophiles including amides, sulfonamides, carbamates and functionalized amines, have been successfully reacted to afford the coupling products in fair to good yields.

Original languageEnglish
Pages (from-to)6928-6932
Number of pages5
JournalTetrahedron Letters
Volume48
Issue number39
DOIs
Publication statusPublished - 24 Sept 2007
Externally publishedYes

Keywords

  • 3-(N-substituted) aminocoumarins
  • 3-Bromocoumarins
  • C-N bond coupling reaction
  • Palladium

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