One-Pot Synthesis of Symmetrical and Unsymmetrical Bisarylethynes by a Modification of the Sonogashira Coupling Reaction
作者:Matthew J. Mio、Lucas C. Kopel、Julia B. Braun、Tendai L. Gadzikwa、Kami L. Hull、Ronald G. Brisbois、Christopher J. Markworth、Paul A. Grieco
DOI:10.1021/ol026266n
日期:2002.9.1
A modification of the Sonogoshira coupling reaction employing an amidine base and a substoichiometric amount of water generates symmetrical and unsymmetrical bisarylethynylenes in one pot through in situ deprotection of trimethylsilylethynylene-added intermediates.