Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871, Japan.
Org Lett. 2009 Nov 19;11(22):5198-201. doi: 10.1021/ol9021172.
The rhodium-catalyzed oxidative 1:2 coupling reactions of arylboronic acids with alkynes effectively proceeds in the presence of a copper-air oxidant to produce the corresponding annulated products. Of special note, anthracene derivatives can be obtained selectively from 2-naphthylboronic acids.
铑催化的芳基硼酸与炔烃的氧化 1:2 偶联反应在铜-空气氧化剂的存在下有效地进行,生成相应的稠环产物。值得特别注意的是,从 2-萘硼酸可以选择性地得到蒽衍生物。