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An Efficient Copper-Catalyzed Homocoupling of Terminal Alkynes to Give Symmetrical 1,4-Disubstituted 1,3-Diynes

✍ Scribed by Songlin Zhang; Xiaoyan Liu; Tongqiang Wang

Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
142 KB
Volume
353
Category
Article
ISSN
1615-4150

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## Abstract CuCl with the use of a catalytic amount of piperidine as additive shows high catalytic activity for the oxidative homocoupling reactions of terminal alkynes in toluene at 60 Β°C in air to afford 1,3‐diynes in high yields. Copyright Β© 2009 John Wiley & Sons, Ltd.