Bismuth-Catalyzed Intramolecular Carbo-oxycarbonylation of 3-Alkynyl Esters
作者:Kimihiro Komeyama、Keita Takahashi、Ken Takaki
DOI:10.1021/ol8019567
日期:2008.11.20
Borderline metal complexes, especially Bi(OTf)3, efficiently catalyze the carbo-oxycarbonylation of alkynyl esters to form multisubstituted lactones in moderate to high yields.