Listar por autoría "61177027-fb27-448c-8bb9-798be5ad3350"
Mostrando ítems 21-40 de 170
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Characterization of amine stabilized CdSe/ZnS core–shell quantum dots by using triarylpyrylium dyes
Beltrán Beltrán, Alicia; Burguete, M. Isabel; Luis, Santiago V.; Galindo, Francisco Royal Society of Chemistry (2016-06-13)A new method to study the stabilizing primary amine ligands coordinated to the surface of CdSe/ZnS core–shell quantum dots has been developed. The method is based on the reactivity of fluorescent 2,4,6-triarylpyrylium dyes ... -
Chemo-enzymatic production of omega-3 monoacylglycerides using sponge-like ionic liquids and supercritical carbon dioxide
Villa, Rocio; Álvarez, Elena; Nieto Cerón, Susana; Donaire, Antonio; Garcia-Verdugo, Eduardo; Luis, Santiago V.; Lozano, Pedro Royal Society of Chemistry (2020-07-22)A clean chemo-enzymatic synthesis of omega-3 monoacylglycerides was carried out by two consecutive catalytic steps, the enzymatic transesterification of raw fish or linseed oil with solketal for producing fatty acid solketyl ... -
Chemoenzymatic synthesis of optically active 2-(2- or 4-substituted-1H-imidazol-1-yl)cycloalcanols. Chiral additives for (L)-proline
Porcar Garcia, Raul; Ríos-Lombardía, Nicolás; Busto, Eduardo; Gotor Fernández, Vicente; Gotor Fernández, Vicente; Garcia-Verdugo, Eduardo; Burguete, M. Isabel; Luis, Santiago V. Royal Society of Chemistry (2013-04-03)Enantiopure substituted imidazoles obtained by enzymatic kinetic resolution can be promising candidates as co-catalysts for aldol reactions catalysed by (L)-proline. These additives seem to form supramolecular complexes ... -
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 catalysts immobilized on achiral polymers: effect of the polymer support on the performance of the catalyst
Altava, Belen; Burguete, M. Isabel; Garcia-Verdugo, Eduardo; Luis, Santiago V. Royal Society of Chemistry (2018)Positive effects of the polymeric support on the performance of supported chiral catalysts, in terms of activity, stability and selectivity–enantioselectivity, have been reported when the support is properly selected and ... -
Chiral imidazolium prolinate salts as efficient synzymatic organocatalysts for the asymmetric aldol reaction
Porcar Garcia, Raul; Garcia-Verdugo, Eduardo; Altava, Belen; Burguete, M. Isabel; Luis, Santiago V. MDPI (2021-07-09)Chiral imidazolium l-prolinate salts, providing a complex network of supramolecular interaction in a chiral environment, have been studied as synzymatic catalytic systems. They are demonstrated to be green and efficient ... -
Chiral Imidazolium Receptors for Citrate and Malate: The Importance of the Preorganization
Faggi, Enrico; Porcar Garcia, Raul; Bolte, Michael; Luis, Santiago V.; Garcia-Verdugo, Eduardo; Alfonso Rodríguez, Ignacio American Chemical Society (2014-09)A family of simple receptors formed by two or three cationic imidazolium arms attached to a central aromatic linkage and displaying different conformational flexibility has been synthesized from the enantiopure ... -
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 ... -
Chiral synthetic pseudopeptidic derivatives as triplet excited state quenchers
Salom Roig, Xavier J.; Martínez, Jean; Burguete, M. Isabel; Galindo, Francisco; Luis, Santiago V.; Miranda, Miguel A.; Morant Miñana, M. C.; Pérez Prieto, Julia Elsevier (2009)The behavior of 6 pseudopeptidic models, synthesized by connecting different protected amino acids (Trp, Tyr, Phe, and Lys) with various diamino spacers, as quenchers of the triplet excited state of tiaprofenic acid (and ... -
Chiral Triazolium Salts and Ionic Liquids: From the Molecular Design Vectors to Their Physical Properties through Specific Supramolecular Interactions
Luis, Santiago V.; Porcar Garcia, Raul; Ríos-Lombardía, Nicolás; Busto, Eduardo; Gotor Fernández, Vicente; Montejo Bernardo, José; Garcia-Granda, Santiago; Luis, Santiago V.; Gotor Fernández, Vicente; Alfonso Rodríguez, Ignacio; Garcia-Verdugo, Eduardo Wiley-VCH (2012-11-29)An exhaustive experimental study based on X-ray diffraction analysis, NMR, FTIR-ATR (attenuated total reflection), and Raman spectroscopy as well as theoretical calculations is reported in order to understand how the ... -
Clean enzymatic preparation of oxygenated biofuels from vegetable and waste cooking oils by using spongelike ionic liquids technology
Lozano, Pedro; Gómez, Celia; Nicolás, Ángel; Polo, Ramon; Nieto Cerón, Susana; Bernal, Juana M.; Garcia-Verdugo, Eduardo; Luis, Santiago V. American Chemical Society (2016)The biocatalytic synthesis of oxygenated biofuels (fatty acid solketal esters, FASEs) and biodiesel (fatty acid methyl esters, FAMEs) was carried out by both the direct esterification of fatty acids (i.e., lauric, ... -
Conductive films based on composite polymers containing ionic liquids absorbed on crosslinked polymeric ionic-like liquids (SILLPs)
Altava, Belen; Compañ, Vicente; Andrio, Andreu; Del Castillo, Luis F.; Mollá, Sergio; Burguete, M. Isabel; Garcia-Verdugo, Eduardo; Luis, Santiago V. Elsevier (2015)Polymerization of styrenic monomers containing imidazolium subunits in the presence of crosslinking monomers and using ionic liquids (ILs) as porogenic agents provides composite materials with excellent mechanical ... -
Conductivity and Polarization Processes in Highly Cross-Linked Supported Ionic Liquid-Like Phases
García Bernabé, Abel; Compañ, Vicente; Burguete, M. Isabel; Garcia-Verdugo, Eduardo; Karbass, Naima; Luis, Santiago V.; Riande, Evaristo American Chemical Society (2010)Supported ionic liquid-like phases were prepared by anchoring imidazolium moieties onto highly cross-linked poly(p-chloromethylstyrene-co-divinylbenzene) monolithic matrixes. The influence of the chemical nature of the ... -
Continuous Flow Processes as an Enabling Tool for the Synthesis of Constrained Pseudopeptidic Macrocycles
Esteve Franch, Ferran; Porcar Garcia, Raul; Luis, Santiago V.; Altava, Belen; Garcia-Verdugo, Eduardo American Chemical Society (2022-02-15)Herein we report our efforts to develop a continuous flow methodology for the efficient preparation of pseudopeptidic macrocyclic compounds containing the hexahydropyrrolo-[3,4-f]-isoindolocyclophane scaffold and involving ... -
Coordination behaviour of new open chain and macrocyclic peptidomimetic compounds with copper (ii)
Wadhavane, Prashant Dinkar; Gorla, Lingaraju; Ferrer, Armando; Altava, Belen; Burguete, M. Isabel; Izquierdo Arcusa, María Ángeles; Luis, Santiago V. Royal Society of Chemistry (2015-08)Two valine-derived bis(amino amides) ligands have been prepared and fully characterized. Both compounds contain additional functionalities that implement their basicity and their water solubility. Besides, compound 1 is ... -
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. ... -
Crystal structure of the N-benzyloxycarbonyl-Alanyl- Phenylalanyl-methyl ester: the importance of the H-bonding pattern
Alfonso Rodríguez, Ignacio; Bolte, Michael; Burguete, M. Isabel; Luis, Santiago V. MDPI (2011-08-22)Large crystals of the methyl ester of the N-α-benzyloxycarbonyl protected Ala- Phe dipeptide (Z-AF-OMe) were obtained after the very slow evaporation of a solution of the corresponding carboxylic acid (Z-AF-OH) in methanol ... -
Crystal structures of the HCl salts of pseudopeptidic macrocycles display ‘‘knobs into holes’’ hydrophobic interactions between aliphatic side chains
Alfonso Rodríguez, Ignacio; Bolte, Michael; Bru Roig, Miriam; Burguete, M. Isabel; Luis, Santiago V. Royal Society of Chemistry (2009)The crystal structures of three HCl salts of pseudopeptidic macrocycles show a H-bonding tubular stack of the rings, where the amino acidic side chains (Val, Leu, Ile) display an inter-columnar “knobs into holes” hydrophobic ... -
Cu2+ recognition by N,N′-benzylated bis(amino amides)
Gorla, Lingaraju; Martí-Centelles, Vicente; Altava, Belen; Burguete, M. Isabel; Luis, Santiago V. Royal Society of Chemistry (2017)Two new C 2 -symmetric N , N ’ -benzylated bis(amino amides) have been synthesised and their interaction with di ff erent transition metals studied using a variety of techniques including UV-Vis and CD spec- troscopy ...