Zinc Chloride-Promoted Aryl Bromide−Alkyne Cross-Coupling Reactions at Room Temperature
作者:Aaron D. Finke、Eric C. Elleby、Michael J. Boyd、Haim Weissman、Jeffrey S. Moore
DOI:10.1021/jo902015w
日期:2009.11.20
Substoichiometric amounts of ZnCl2 promote the room temperature, Pd/P(t-Bu)(3)-catalyzed cross-coupling of aryl bromides with alkynes, Pd(I) dimer 1 is demonstrated to be a particularly active precatalyst for this reaction. The reaction is general for a wide variety of aryl bromides.