Copper-catalyzed enantioselective conjugate reduction of alpha,beta-unsaturated esters with chiral phenol-carbene ligands


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Title:	Copper-catalyzed enantioselective conjugate reduction of alpha,beta-unsaturated esters with chiral phenol-carbene ligands
Authors:	Mimura, Shohei Browse this author
	Mizushima, Sho Browse this author
	Shimizu, Yohei Browse this author
	Sawamura, Masaya Browse this author →KAKEN DB
Keywords:	catalyst
	chiral NHC
	conjugate reduction
	copper catalysis
	enantioselective reaction
Issue Date:	31-Mar-2020
Publisher:	Beilstein-Institut
Journal Title:	Beilstein journal of organic chemistry
Volume:	16
Start Page:	537
End Page:	543
Publisher DOI:	10.3762/bjoc.16.50
Abstract:	A chiral phenol-NHC ligand enabled the copper-catalyzed enantioselective conjugate reduction of alpha,beta-unsaturated esters. The phenol moiety of the chiral NHC ligand played a critical role in producing the enantiomerically enriched products. The catalyst worked well for various (Z)-isomer substrates. Opposite enantiomers were obtained from (Z)- and (E)-isomers, with a higher enantiomeric excess from the (Z)-isomer.
Rights:	http://creativecommons.org/licenses/by/4.0
Type:	article
URI:	http://hdl.handle.net/2115/78345
Appears in Collections:	理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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