Efficient Palladium-Catalyzed Coupling of Aryl Chlorides and Tosylates with Terminal Alkynes: Use of a Copper Cocatalyst Inhibits the Reaction

Dmitri Gelman, Stephen L. Buchwald

Research output: Contribution to journalArticlepeer-review

369 Scopus citations

Abstract

Less catalyst, lower temperature, and greater generality are the advantages of the new general protocol over those previously described for the palladium-catalyzed coupling of aryl chlorides and alkynes (see scheme). Better results are obtained without a copper cocatalyst, which has been found to inhibit product formation in the coupling reaction of aryl chlorides with terminal alkynes.

Original languageAmerican English
Pages (from-to)5993-5996
Number of pages4
JournalAngewandte Chemie - International Edition
Volume42
Issue number48
DOIs
StatePublished - 15 Dec 2003
Externally publishedYes

Keywords

  • Alkynes
  • Aryl chlorides
  • C-C coupling
  • Cross-coupling
  • Palladium

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