Iron Catalyzed Isomerization Of Alpha-Alkyl Styrenes To Access Trisubstituted Alkenes
CHINESE JOURNAL OF CHEMISTRY(2021)
摘要
Main observation and conclusionStereoselective isomerization of alpha-alkyl styrenes is accomplished using a new iron catalyst 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 beta-H elimination.
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关键词
Catalysis, Iron, Isomerization, Trisubstituted alkenes, Stereoselectivity
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