Cobalt‐Catalyzed Dimerization and Homocoupling of Terminal Alkynes,Asian Journal of Organic Chemistry

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Cobalt‐Catalyzed Dimerization and Homocoupling of Terminal Alkynes
Asian Journal of Organic Chemistry ( IF 2.8 ) Pub Date : 2017-11-29 , DOI: 10.1002/ajoc.201700587
Daqian Xu ₁ , Qiangsheng Sun ₂ , Zhengjun Quan ₁ , Xicun Wang ₁ , Wei Sun ₂

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Methods toward the dimerization and homocoupling of terminal alkynes have been established that employ Co complexes along with tBuOK under different atmosphere. A variety of Z‐1,3‐enynes were furnished with a high Z:E (up to 93:7) ratio in moderate to very good yields under inert atmosphere. Alternatively, the Glaser homocoupling reaction of terminal alkynes was also accomplished with a Co catalyst, successfully affording various 1,3‐diynes in excellent yields (up to 93 %) under oxygen.

中文翻译：

末端炔烃的钴催化二聚和均偶联

已经建立了在不同气氛下采用Co配合物和t BuOK进行末端炔的二聚和均偶联的方法。在惰性气氛下，以较高的Z：E（高达93：7）比率提供了各种Z -1,3-烯类化合物。另外，末端炔烃的Glaser均偶联反应也可通过Co催化剂完成，在氧气下成功地以优异的产率（高达93％）提供了各种1,3-二炔。

更新日期：2017-11-29

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