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Type: Artigo de periódico
Title: Addition Of Kinetic Boron Enolates Generated From β-alkoxy Methyl Ketones To Aldehydes. Density Functional Theory Calculations On The Transition Structures
Author: Dias L.C.
Pinheiro S.M.
de Oliveira V.M.
Ferreira M.A.B.
Tormena C.F.
Aguilar A.M.
Zukerman-Schpector J.
Tiekink E.R.T.
Abstract: Herein we report that good to excellent levels of 1,5-anti stereoinduction are obtained in boron enolate aldol reactions of 1,2-syn β-alkoxy methyl ketones with achiral aldehydes, when the β-alkoxy protecting group is part of a benzylidene acetal. We have also investigated the effects of the ligands on boron, the α-, β-, and γ-substituents and the β-alkoxy protecting group on the boron enolates, using density functional theory (B3LYP) and Møller-Plesset perturbation theory (MP2) calculations. © 2009 Elsevier Ltd. All rights reserved.
Citation: Tetrahedron. , v. 65, n. 42, p. 8714 - 8721, 2009.
Rights: fechado
Identifier DOI: 10.1016/j.tet.2009.08.042
Date Issue: 2009
Appears in Collections:Unicamp - Artigos e Outros Documentos

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