Copper(I)-Catalyzed Coupling of Terminal Acetylenes with Aryl or Vinyl Halides

Abstract

Synthetic protocols using copper(I) catalysts for the formation of diaryl acetylenes, 1,3-enynes, benzofurans and indoles are described.

Key words

copper - terminal acetylenes - enynes - benzofurans - indoles

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8

For the preparation of these complexes, see ref. 9; [Cu(phen)(PPh₃)Br] and [Cu(phen)(PPh₃)₂]NO₃ are commercially available from Strem Chemicals.