Listar por autoría "a79240e0-d2b3-442a-b52e-5f0e1eb0ac44"
Mostrando ítems 21-40 de 117
-
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 ... -
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 ... -
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+, ... -
Designed folding of pseudopeptides: the transformation of a configurationally driven preorganization into a stereoselective multicomponent macrocyclization
Alfonso Rodríguez, Ignacio; Bolte, Michael; Bru Roig, Miriam; Burguete, M. Isabel; Luis, Santiago V. VCH Verlagsgesellschaf (2008)The efficient synthesis of large-ring pseudopeptidic macrocycles through a multicomponent [2+2] reductive amination reaction is described. The reaction was entirely governed by the structural information contained in the ... -
Development of efficient processes under flow conditions based on catalysts immobilized onto monolithic supported ionic liquid-like phases
Burguete, M. Isabel; Garcia-Verdugo, Eduardo; Karbass, Naima; Luis, Santiago V.; Sans, Victor; Sokolova, Maia International Union of Pure and Applied Chemistry (2009)The introduction of imidazolium subunits into polystyrene-divinylbenzene (PS-DVB) polymers enables the preparation of a variety of catalytic systems. Those include the stabilization of catalytically active Pd nanoparticles ... -
Dimethyl carbonate as a non-innocent benign solvent for the multistep continuous flow synthesis of amino alcohols
Porcar Garcia, Raul; Lozano, Pedro; Burguete, M. Isabel; Garcia-Verdugo, Eduardo; Luis, Santiago V. Royal Society of Chemistry (2018)An efficient methodology for the production and resolution of amino alcohols with a low environmental impact has been developed. The system is based on the assembly of three different well compartmentalised catalytic modules ... -
Divergent Multistep Continuous Synthetic Transformations of Allylic Alcohol Enabled by Catalysts Immobilized in Ionic Liquid Phases
Peris, Edgar; Porcar Garcia, Raul; García-Álvarez, Joaquín; Burguete, M. Isabel; Garcia-Verdugo, Eduardo; Luis, Santiago V. Wiley (2019-04-23)Two individual catalytic platforms (metal‐ and organo‐catalyzed) based on the use of an ionic liquid phase were successfully integrated for the synthesis of α‐cyano‐amine and cyanohydrin trimethylsilyl ethers from allylic ... -
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 ... -
Efficient and selective chemical transformations under flow conditions: the combination of supported catalysts and supercritical fluids
Burguete, M. Isabel; Garcia-Verdugo, Eduardo; Luis, Santiago V. Beilstein Institut (2011-09-30)This paper reviews the current trends in the combined use of supported catalytic systems, either on solid supports or in liquid phases and supercritical fluids (scFs), to develop selective and enantioselective chemical ... -
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> ... -
Fluorescence and mass spectrometry studies of the interaction between naproxen and synthetic pseudopeptidic models in organic media
Burguete, M. Isabel; Fawaz, Ghinwa; Galindo, Francisco; Izquierdo Arcusa, María Ángeles; Luis, Santiago V.; Martínez, Jean; Salom Roig, Xavier J. Elsevier (2009)Time-resolved/steady-state fluorescence and mass spectrometry measurements have shown the preferential binding of a non-steroidal anti-inflammatory drug (NSAID) like naproxen 4 to a synthetic pseudopeptidic receptor built ... -
Fluorescent Acridine-Based Receptors for H2PO4–
Burguete, M. Isabel; Martí-Centelles, Vicente; Galindo, Francisco; Izquierdo Arcusa, María Ángeles; Kumar, Krishna; White, Andrew J. P.; Luis, Santiago V.; Vilar, Ramón American Chemical Society (2012)Two new pseudopeptidic molecules (one macrocyclic and one open chain) containing an acridine unit have been prepared. The fluorescence response of these receptors to a series of acids was measured in CHCl3. Receptors are ... -
Fluorescent macrocyclic probes with pendant functional groups as markers of acidic organelles within live cells
Wadhavane, Prashant Dinkar; Izquierdo Arcusa, María Ángeles; Lutters, Dennis; Burguete, M. Isabel; Marín, María J.; Russell, David A.; Galindo, Francisco; Luis, Santiago V. Royal Society of Chemistry (2014)A new family of acidity sensitive fluorescent macrocycles has been synthesized and fully characterized. Their photophysical properties including emission quantum yield and fluorescence lifetime have been determined. The ... -
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 ...