Copper Powder-Mediated Homocoupling Reactions of Iodoacetylenes to Synthesize Symmetrical 1,3-Butadiynes

Author: Xue Song   Meng Ling-Guo   Guo Qing-Xiang  

Publisher: Taylor & Francis Ltd

ISSN: 0039-7911

Source: Synthetic Communications, Vol.38, Iss.13, 2008-01, pp. : 2243-2251

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Abstract

A new route to synthesize symmetrical 1,3-butadiynes from iodoacetylenes in the presence of copper powder and pyridine was developed. Moderate to excellent yields were obtained through an efficient and simple process involving the copper powder without any further activation.