Dual setereocontrolled alkylation of aldehydes with polystyrene-supported nickel complexes derived from a-amino amides
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Otros documentos de la autoría: Escorihuela, Jorge; Altava, Belen; Burguete, M. Isabel; Luis, Santiago V.
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Título
Dual setereocontrolled alkylation of aldehydes with polystyrene-supported nickel complexes derived from a-amino amidesFecha de publicación
2015-01Editor
Royal Society of ChemistryCita bibliográfica
ESCORIHUELA, Jorge, et al. Dual stereocontrolled alkylation of aldehydes with polystyrene-supported nickel complexes derived from α-amino amides. RSC Advances, 2015, vol. 5, no 19, p. 14653-14662.Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
http://pubs.rsc.org/en/content/articlehtml/2015/ra/c4ra15341cPalabras clave / Materias
Resumen
Nickel(II) complexes derived from α-amino amide ligands anchored to gel-type and monolithic polymers act as efficient catalysts for the enantioselective addition of dialkylzinc reagents to aldehydes. Similar to the ... [+]
Nickel(II) complexes derived from α-amino amide ligands anchored to gel-type and monolithic polymers act as efficient catalysts for the enantioselective addition of dialkylzinc reagents to aldehydes. Similar to the analogous homogeneous systems, dual stereocontrol in addition products can be achieved by controlling the stoichiometry of the immobilized nickel complex. Aromatic and aliphatic aldehydes were alkylated in good yields with enantioselectivities comparable to those obtained with the homogeneous analogues. These polymer-supported catalysts offer significant advantages as no metal leaching is observed and they can be easily recovered from the reaction mixture by simple filtration and reused for subsequent experiments with consistent catalytic activity. [-]
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RSC Adv., 2015, 5Derechos de acceso
© The Royal Society of Chemistry 2015
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