Listar QUIO_Articles por autoría "4a16b06e-8e03-4b17-a948-10081ae8f275"
Mostrando ítems 1-17 de 17
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A simple peptidomimetic that self-associates on the solid state to form a nanoporous architecture containing chiral π-channels
Becerril, Jorge; Bolte, Michael; Burguete, M. Isabel; Escorihuela, Jorge; Galindo, Francisco; Luis, Santiago V. Royal Society of Chemistry (2010)The crystal structure of a simple peptidomimetic compound, derived from phenylalanine, shows the formation of a nanoporous architecture containing monodimensional p-channels with the aromatic rings as the exclusive ... -
Application of optically active chiral bis- (imidazolium) salts as potential receptors of chiral dicarboxylate salts of biological relevance
González, Laura; Escorihuela, Jorge; Altava, Belen; Burguete, M. Isabel; Luis, Santiago V. Royal Society of Chemistry (2015)A family of chiral bis(imidazolium) salts derived from natural amino acids has been synthesized by a simple synthetic approach and the corresponding bis(trifluoromethylsulfonyl)imide salts have been shown to be room ... -
Bis (imidazolium) salts derived from amino acids as receptors and transport agents for chloride anions
González, Laura; Altava, Belen; Burguete, M. Isabel; Escorihuela, Jorge; Hernando, Elsa; Luis, Santiago V.; Quesada, Roberto; Vicent Barrera, Cristian Royal Society of Chemistry (2015-04)The binding properties of bis(imidazolium) hosts 1a–c derived from amino acids towards different anions have been studied by 1H NMR titration experiments in 95[thin space (1/6-em)]:[thin space (1/6-em)]05 CD3CN[thin space ... -
C2 symmetrical nickel complexes derived from α-amino amides as efficient catalysts for the enantioselective addition of dialkylzinc reagents to aldehydes
Escorihuela, Jorge; Altava, Belen; Burguete, M. Isabel; Luis, Santiago V. Elsevier (2013-01)A series of C2 symmetrical 1:2 Ni:L complexes derived from α-amino amides were studied for the enantioselective addition of dialkylzinc reagents to aldehydes. Different structural elements on the ligands seem to play an ... -
Chiral bis(amino amides) as chiral solvating agents for enantiomeric excess determination of α-hydroxy and arylpropionic acids
Altava, Belen; Burguete, M. Isabel; Carbó Mestre, Noèlia; Escorihuela, Jorge; Luis, Santiago V. Elsevier (2010)A family of bis(amino amides) derived from natural amino acids has been synthesized and tested for the NMR enantiodiscrimination, as chiral solvating agents, for enantiomeric excess determination of some carboxylic acids. ... -
Chiral Room Temperature Ionic Liquids as Enantioselective Promoters for the Asymmetric Aldol Reaction
González, Laura; Escorihuela, Jorge; Altava, Belen; Burguete, M. Isabel; Luis, Santiago V. Wiley Online Library (2014)Chiral ionic liquids derived from natural amino acids are shown to be green and efficient media for direct asymmetric aldol reactions at room temperature catalyzed by (S)-proline. The corresponding aldol products were ... -
Coordination of Cu2+ Ions to C2 Symmetric Pseudopeptides Derived from Valine
Blasco, Salvador; Burguete, M. Isabel; Clares, M. Paz; García España, Enrique; Escorihuela, Jorge; Luis, Santiago V. American Chemical Society (2010)The acid−base and coordination properties of a family of pseudopeptidic ligands with C2 symmetry derived from valine (4a−e) have been studied using a variety of techniques as a model for metal coordination in peptides and ... -
Copper(II) complexes of bis(amino amide) ligands: effect of changes in the amino acid residue
Ferrer, Armando; Escorihuela, Jorge; Martí Vidal, Inés; Burguete, M. Isabel; Luis, Santiago V. Royal Society of Chemistry (2012-03)A family of ligands derived from bis(amino amides) containing aliphatic spacers has been prepared, and their protonation and stability constants for the formation of Cu2+ complexes have been determined potentiometrically. ... -
Dual setereocontrolled alkylation of aldehydes with polystyrene-supported nickel complexes derived from a-amino amides
Escorihuela, Jorge; Altava, Belen; Burguete, M. Isabel; Luis, Santiago V. Royal Society of Chemistry (2015-01)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 ... -
Enantioselective nickel-catalyzed conjugate addition of dialkylzinc to chalcones using chiral α-amino amides
Escorihuela, Jorge; Burguete, M. Isabel; Luis, Santiago V. Elsevier (2008)A series of α-amino amides derived from natural amino acids (alanine, valine, phenylalanine, isoleucine, and phenylglycine) have been synthesized and fully characterized. Their Ni(II) complexes prepared from Ni(acac)<sub>2</sub> ... -
Mechanistic implications of the enantioselective addition of alkylzinc reagents to aldehydes catalyzed by nickel complexes with a-amino amide ligands
Escorihuela, Jorge; Burguete, M. Isabel; Ujaque, Gregori; Lledós, Agustí; Luis, Santiago V. The Royal Society of Chemistry (2016-11)The enantioselective alkylation of aldehydes catalysed by nickel(II)-complexes derived from α-amino amides was studied by means of density functional theory (DFT) and ONIOM (B3LYP:UFF) calculations. A mechanism was proposed ... -
New advances in dual stereocontrol for asymmetric reactions
Escorihuela, Jorge; Burguete, M. Isabel; Luis, Santiago V. Royal Society of Chemistry (2013-04-16)Achieving dual stereocontrol in asymmetric reactions using a single enantiomer for the building of the chiral catalyst or auxiliary is a very important goal in enantioselective synthesis as it eliminates the need for having ... -
New chiral tetraaza ligands for the efficient enantioselective addition of dialkylzinc to aromatic aldehydes
Burguete, M. Isabel; Escorihuela, Jorge; Luis, Santiago V.; Lledós, Agustí; Ujaque, Gregori Elsevier (2008)A series of chiral tetraaza ligands were studied for the enantioselective addition of dialkylzinc to aldehydes. These bis(amino amide) ligands show high enantioselectivity in the addition of organozincs to aromatic aldehydes. ... -
Polymer-supported chiral α-amino amides for the asymmetric addition of diethylzinc to aldehydes: Transforming an inactive homogeneous system into an efficient catalyst
Escorihuela, Jorge; González, Laura; Altava, Belen; Burguete, M. Isabel; Luis, Santiago V. Elsevier (2013-07-10)A series of polymer-supported α-amino amides derived from natural amino acids have been easily synthesized and fully characterized. Their chiral Zn (II) complexes catalyzed the enantioselective addition of diethylzinc to ... -
Supramolecularly assisted synthesis of chiral tripodal imidazolium compounds
Valls Ten, Adriana; Altava, Belen; Burguete, M. Isabel; Escorihuela, Jorge; Martí-Centelles, Vicente; Luis, Santiago V. Royal Society of Chemistry (2019)A strong preference for the formation of tripodal systems over the related monotopic and ditopic compounds is observed for the reaction between tris(halomethyl)benzenes and imidazoles derived from amino acids and containing ... -
Synthesis of new chiral imidazolium salts derived from amino acids: their evaluation in chiral molecular recognition
Altava, Belen; Barbosa, Dalgi S.; Escorihuela, Jorge; Luis, Santiago V.; Burguete, M. Isabel Elsevier (2009)A family of new imidazolium salts derived from natural amino acids has been synthesized and tested for NMR enantiodiscrimination, as chiral shift reagents, of carboxylic acids. These imidazolium receptors contain different ... -
Unveiling anion-induced folding in tripodal imidazolium receptors by ion-mobility mass spectrometry
Vicent Barrera, Cristian; Valls Ten, Adriana; Escorihuela, Jorge; Altava, Belen; Luis, Santiago V. The Royal Society of Chemistry (2021-08-02)The anion-induced folding of tripodal imidazolium receptors has been investigated by NMR spectroscopy, electrospray ionization ion mobility mass spectrometry and DFT calculations. Such folding can be switched by anion ...