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Título: | Stereoselective synthesis of syn β-hydroxy cycloalkane carboxylates: transfer hydrogenation of cyclic β-keto esters via dynamic kinetic resolution |
Autor: | Ros, Abel CSIC ORCID CVN ; Magriz, Antonio CSIC; Dietrich, Hansjörg; Lassaletta, José M. CSIC ORCID ; Fernández, Rosario | Palabras clave: | Asymmetric catalysis β-Hydroxy esters Dynamic kinetic resolution Transfer hydrogenation |
Fecha de publicación: | 21-may-2007 | Editor: | Elsevier | Citación: | Tetrahedron 63(32): 7532-7537 (2007) | Resumen: | The transfer hydrogenation of bicyclic and monocyclic β-keto esters using HCO2H/Et3N as the hydrogen source and TsDPEN-based Ru(II) catalysts proceeds with dynamic kinetic resolution to afford the corresponding cyclic β-hydroxy esters with moderate to excellent levels of diastereo- and enantioselectivities. The mild reaction conditions used make possible to preserve in most cases the synrelative configuration of the products, providing a complementary tool to known approaches to the synthesisof anti isomers. | Descripción: | 6 páginas, 1 tabla, 3 esquemas. | Versión del editor: | http://dx.doi.org/10.1016/j.tet.2007.05.058 | URI: | http://hdl.handle.net/10261/37876 | DOI: | 10.1016/j.tet.2007.05.058 | ISSN: | 0040-4020 |
Aparece en las colecciones: | (IIQ) Artículos |
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