Iron Catalyzed Isomerization of
<scp>α‐Alkyl</scp>
Styrenes to Access Trisubstituted Alkenes
作者:Songgen Xu、Guixia Liu、Zheng Huang
DOI:10.1002/cjoc.202000492
日期:2021.3
supported by phosphine‐pyridine‐oxazoline (PPO) ligand. The protocol provides an atom‐efficient and operationally simple approach to trisubstituted alkenes in high yields with excellent regio‐ and stereoselectivities under mild conditions. The results of deuterium‐labelling and radical trap experiments are consistent with an iron‐hydride pathway involving reversible alkene insertion and β‐H elimination.
α-烷基苯乙烯的立体选择性异构化是通过使用膦-吡啶-恶唑啉(PPO)配体支持的新型铁催化剂完成的。该协议提供了一种原子效率高且操作简单的方法,可在温和条件下以高收率和出色的区域选择性和立体选择性对三取代烯烃进行生产。氘标记和自由基陷阱实验的结果与涉及可逆烯烃插入和β-H消除的铁氢化物途径一致。