Copper‐Free, Efficient, Palladium (II)‐Catalyzed Coupling of Unactivated Aryl Iodides with Terminal Alkynes

Tianrui Ren Life and Environment Science College, Shanghai Normal University, Shanghai, China; Institute of Process Engineering, Chinese Academy of Sciences, Beijing, China

Ye Zhang National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, China; Graduate University of Chinese Academy of Sciences, Beijing, China

Weiwen Zhu National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, China; Graduate University of Chinese Academy of Sciences, Beijing, China

Jiaju Zhou National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, China; Graduate University of Chinese Academy of Sciences, Beijing, China

Abstract

Palladium(II)‐catalyzed coupling of terminal alkynes with unactivated aryl iodides occurs at room temperature in good to excellent yields in the presence of tetrabutylammounium bromide as additive and piperidine as base in a tetrahydrofuran–water solution without addition of any cuprous salts.

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Acknowledgments

The present work was financially supported by the National 973 Program of China (Contract No. 2003CB114400) and the National Natural Science Foundation of China (No. 20672113).

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Copper‐Free, Efficient, Palladium (II)‐Catalyzed Coupling of Unactivated Aryl Iodides with Terminal Alkynes

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Copper‐Free, Efficient, Palladium (II)‐Catalyzed Coupling of Unactivated Aryl Iodides with Terminal Alkynes

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