4.8 Article

CuCl-catalyzed green oxidative alkyne homocoupling without palladium, ligands and bases

Journal

GREEN CHEMISTRY
Volume 13, Issue 3, Pages 591-593

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c0gc00413h

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Funding

  1. National Natural Science Foundation of China [20872087, 20902057]
  2. Key Laboratory of Synthetic Chemistry of Natural Substances, Chinese Academy of Sciences
  3. Shanghai Municipal Education Commission [J50101]
  4. Shanghai University

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CuCl-catalyzed green oxidative homocoupling of terminal alkynes produces symmetrical 1,4-disubstituted 1,3-diynes in good to excellent yields, using air as an environmentally friendly oxidant and the occurrence of water as exclusive byproduct in the whole process, and eliminating the need for ligands, bases, oxidants and expensive palladium catalysts.

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