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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 36, 2006 - Issue 17
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Original Articles

Efficient and Recyclable Reaction System for the Homocoupling of Terminal Acetylenes

Xiaoling Lu Department of Chemistry, Zhejiang University, Hangzhou, China
,
Yuhong Zhang Department of Chemistry, Zhejiang University, Hangzhou, ChinaCorrespondence[email protected]
,
Chengcai Luo Department of Chemistry, Zhejiang University, Hangzhou, China
&
Yanguang Wang Department of Chemistry, Zhejiang University, Hangzhou, China
Pages 2503-2511 | Received 12 Oct 2005, Published online: 27 Oct 2006
 
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Abstract

Diynes were synthesized in high yields by homocoupling of terminal arylacetylenes and terminal alkylacetylenes in Cu(OAc)2‐PEG (polyethyleneglycol) with NaOAc as a base. Cu(OAc)2‐PEG was readily recycled via solvent precipitation with efficient recyclability.

Acknowledgment

We thank the Natural Science Foundation of China (no. 20373061).

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