Synthesis of Exocyclic Trisubstituted Alkenes
<i>via</i>
Nickel‐ Catalyzed Kumada‐Type Cross‐Coupling Reaction of
<i>gem</i>
‐ Difluoroalkenes with Di‐Grignard Reagents
作者:Wenpeng Dai、Xuxue Zhang、Juan Zhang、Yingyin Lin、Song Cao
DOI:10.1002/adsc.201500889
日期:2016.1.21
A practical, nickel‐catalyzed Kumada‐type double cross‐coupling reaction of gem‐difluoroalkenes with 1,4‐ or 1,5‐di‐Grignard reagents was developed. The reaction proceeded efficiently at room temperature and a variety of cyclization products, arylmethylenecyclopentanes and arylmethylenecyclohexanes, were obtained in high to excellent yields, respectively.
开发了一种实用的镍催化的宝石二氟烯烃与1,4或1,5-二格里雅试剂的Kumada型双交叉偶联反应。该反应在室温下有效地进行,并且分别以高至优异的收率获得了各种环化产物,芳基亚甲基环戊烷和芳基亚甲基环己烷。