Palladium-catalyzed cascade cyclization-coupling reactions of 2-bromo-1,6-enynes with organoboronic acids
作者:Chang Ho Oh、Young Mook Lim
DOI:10.1016/s0040-4039(02)02536-4
日期:2003.1
2-Bromo-1,6-enynes 5 with a palladium catalyst would form the alkenylpalladium intermediates via an intramolecular Heck reaction, which were cross-coupled with various organoboronicacids 8 to give the cyclization–coupling products 6 in synthetically valuable yields.