Palladium(0)-Catalyzed Cross-Coupling of 1,1-Diboronates with Vinyl Bromides and 1,1-Dibromoalkenes
作者:Huan Li、Zhikun Zhang、Xianghang Shangguan、Shan Huang、Jun Chen、Yan Zhang、Jianbo Wang
DOI:10.1002/anie.201407000
日期:2014.10.27
Palladium‐catalyzed cross‐coupling reactions of 1,1‐diboronates with vinyl bromides and dibromoalkenes were found to afford 1,4‐dienes and allenes, respectively. These reactions utilize the high reactivities of both 1,1‐diboronates and allylboron intermediates generated in the initial coupling.
发现1,1-二
硼酸酯与
乙烯基溴化物和二
溴代烯烃的
钯催化交叉偶联反应分别得到1,4-二烯和
丙二烯。这些反应利用了在初始偶联过程中产生的1,1-二
硼酸酯和烯丙基
硼中间体的高反应活性。