Listar por autoría "cc138b76-0717-49df-a938-2fcdaf7a1bb6"
Mostrando ítems 1-20 de 42
-
A bioinspired approach toward efficient supramolecular catalysts for CO2 conversion
Esteve Franch, Ferran; Porcar Garcia, Raul; Bolte, Michael; Altava, Belen; Luis, Santiago V.; Garcia-Verdugo, Eduardo Elsevier (2022-12-21)Nature uses enzymes for affording astonishingly efficient chemical transformations with high chemo-, regio-, and stereoselectivity (e.g., carbonic anhydrase for CO2 conversion). Such sophisticated biomolecules lead to ... -
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 ... -
Basically, nucleophilicity matters little: towards unravelling the supramolecular driving forces in enzyme-like CO2 conversion
Esteve Franch, Ferran; Altava, Belen; Luis, Santiago V.; Garcia-Verdugo, Eduardo Royal Society of Chemistry (2022-08-03)The reaction mechanism for the cycloaddition of CO2 to styrene oxide in the presence of macrocyclic pseudopeptides has been studied using DFT methods. Computational calculations indicate that the unprecedented catalytic ... -
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 ... -
Bis(amino amides) derived from natural amino acids as chiral receptors for N-protected dicarboxylic amino acids
Altava, Belen; Burguete, M. Isabel; Carbó Mestre, Noèlia; Luis, Santiago V.; Martí-Centelles, Vicente; Vicent Barrera, Cristian Elsevier (2013-01)A family of bis(amino amides) derived from natural amino acids has been synthesized and tested for the NMR enantiodiscrimination, as chiral receptors, of some N-protected dicarboxylic amino acids. The influence of the amino ... -
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 Catalysts for the Enantioselective Carbon Dioxide-Based Cyclic Carbonates and Polycarbonates
Altava, Belen; Cirujano, Francisco; Garcia-Verdugo, Eduardo MDPI (2023-11-14)Using carbon dioxide as a feedstock for synthesizing organic molecules with added value can contribute to a more sustainable chemical industry since CO2 is an abundant, inexpensive, and nontoxic renewable carbon resource. ... -
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 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 ... -
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 ... -
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 ... -
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 ... -
Cu2+, Zn2+, and Ni2+ Complexes of C2-Symmetric Pseudopeptides with an Aromatic Central Spacer
Lingaraju, Gorla; Martí-Centelles, Vicente; Freimuth, Lena; Altava, Belen; Burguete, M. Isabel; Luis, Santiago V. American Chemical Society (2016)Two new tetradentate C2-symmetric pseudopeptidic ligands derived from Val and Phe containing two amino and two amido groups and a central o-substituted aromatic spacer have been prepared. Their complexes with Cu2+, ... -
Doubly chiral pseudopeptidic macrobicyclic molecular cages: Water-assisted dynamic covalent self-assembly and chiral self-sorting
Esteve Franch, Ferran; Altava, Belen; Garcia-Verdugo, Eduardo; Luis, Santiago V.; Lehn, Jean-Marie Elsevier (2022-06-27)Taking advantage of the dynamic covalent chemistry approach, four different cages were synthesized by condensation of tripodal pseudopeptides with 4,4′-biphenyldicarboxyaldehyde. Whereas undesired products of polymeric ... -
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 ... -
Educación cooperativa en Química Verde: la experiencia española
Altava, Belen; Burguete, M. Isabel; Luis, Santiago V. Universidad Nacional Autónoma de México. Facultad de Química (2013)A common postgraduate training in Green Chemistry is currently being carried out by several Spanish universities. This initiative considers the corresponding Máster and PhD programs in Sustainable Chemistry and has been ... -
Gas chromatographic analysis of fatty acid methyl esters of milk fat by an ionic liquid derived from L-phenylalanine as the stationary phase
González, Laura; González Álvarez, Jaime; Fernández Gonzalo, Carla; Arias Abrodo, Pilar; Altava, Belen; Luis, Santiago V.; Burguete, M. Isabel; Gutiérrez Álvarez, María Dolores Elsevier (2015-10)A Gas Chromatography (GC) method has been developed for the separation and characterization of the different fatty acids in anhydrous milk fat (AMF) by means of an ionic liquid stationary phase, characterized by a monocationic ...