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 organoboronic acids 8 to give the cyclization–coupling products 6 in synthetically valuable yields.
带有
钯催化剂的2-Bromo-1,6-enynes 5将通过分子内Heck反应形成链烯基
钯中间体,该中间体与各种有机
硼酸8交叉偶联,从而以合成有价值的收率得到环化偶联产物6。