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.
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).