Exploiting the dual role of ethynylbenziodoxolones in gold-catalyzed C(sp)–C(sp) cross-coupling reactions
作者:Somsuvra Banerjee、Nitin T. Patil
DOI:10.1039/c7cc04283c
日期:——
Reported herein is the gold-catalyzed alkynylation of terminal alkynes using ethynylbenziodoxolones (EBXs), where EBXs serve a dual role as oxidants as well as alkyne transfer agents to access unsymmetrical 1,3-diynes. Hence, the catalytic system requires no externaloxidants and is compatible with a broad range of substrates, including those with polar functional groups such as NH, OH and B(OH)2.