Issue 8, 2011
From the journal:

Green Chemistry

Copper-catalyzed oxidative alkyne homocoupling without palladium, ligands and bases†

Xueshun Jia,*ab   Kun Yin,a   Chunju Li,a   Jian Lia  and  Haishan Biana  

* Corresponding authors

a Shanghai University, 99 Shangda Road, Shanghai, P. R. China
E-mail: xsjia@mail.shu.edu.cn
Fax: +86-21-66132408

b Key Laboratory of Synthetic Chemistry of Natural Substances, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, P. R. China

Abstract

Copper-catalyzed green oxidative homocoupling of terminal alkynes can be run to produce symmetrical 1,4-disubstituted 1,3-diynes in good to excellent yields, using air as environmentally friendly oxidant and the occurrence of water as exclusive byproduct in the whole process. This eliminates the need for ligands, bases, oxidants and expensive palladium catalysts.

Graphical abstract: Copper-catalyzed oxidative alkyne homocoupling without palladium, ligands and bases

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Article information

DOI
https://doi.org/10.1039/C1GC15318H
Article type
Paper
Submitted
24 Mar 2011
Accepted
05 May 2011
First published
01 Jul 2011

Green Chem., 2011,13, 2175-2178

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Copper-catalyzed oxidative alkyne homocoupling without palladium, ligands and bases

X. Jia, K. Yin, C. Li, J. Li and H. Bian, Green Chem., 2011, 13, 2175 DOI: 10.1039/C1GC15318H

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