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NCUEIR > College of Science > Department of Chemistry > Periodical Articles > Item 987654321/16876

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/16876

Title:	Ligand-Assisted Rate Acceleration in Transacylation by a Yttrium-Salen Complex. Demonstration of a Conceptually New Strategy for Metal-Catalyzed Kinetic Resolution of Alcohols
Authors:	Lin, Mei-Huey;RajanBabu, T. V.
Contributors:	化學系
Date:	2002-05
Issue Date:	2013-06-06T02:33:23Z
Publisher:	American Chemical Society
Abstract:	Yttrium-salen complexes effect transacylation between enolesters and chiral secondary alcohols, resulting in varying degrees of kinetic resolution. Even though the enantioselectivity remains modest (kfast/kslow up to 4.81), these results represent the first demonstration of a conceptually new metal-catalyzed acyl transfer process that results in kinetic resolution. On the basis of the solid-state structure of the catalyst, a novel associative mechanistic pathway is proposed for the reaction.
Relation:	Organic Letters, 4(9): 1607-1610
Appears in Collections:	[Department of Chemistry] Periodical Articles

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