Listar por autoría "eb337365-e695-4ade-91a6-9e4a5dd95d52"
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A Tetraferrocenyl-Resorcinarene Cavitand as a Redox-Switchable Host of Ammonium Salts
Ruiz-Botella, Sheila; Vidossich, Pietro; Ujaque, Gregori; Vicent Barrera, Cristian; Peris, Eduardo Wiley (2015-06-10)Tetraannulation of a resorcinarene-octaamino cavitand with ferrocenecarboxaldehyde allows the preparation of a tetrabenzimidazole-resorcinarene cavitand with four ferrocenyl moieties directly linked to the C2 atom of the ... -
A three-dimensional adamantane-like nanoscopic cage built from four iodide-bridged triangular Mo3S7 cluster units
Falvello, Larry R.; Llusar, Rosa; Triguero Bascuñán, Sonia; Vicent Barrera, Cristian Royal Society of Chemistry (2009)Chemical oxidation of a Mo3S7 cluster featuring catecholate ligands, namely [Mo3S7(Cl4cat)3]2 (Cl4cat = tetrachlorocatecholate), allows the isolation of a unique nanoscopic molecular cage made of four iodide-bridged ... -
AuNP−polymeric ionic liquid composite multicatalytic nanoreactors for one-pot cascade reactions
Montolio Breva, Silvia; Vicent Barrera, Cristian; Aseyev, Vladimir; Alfonso Rodríguez, Ignacio; Burguete, M. Isabel; Tenhu, Heikki; Garcia-Verdugo, Eduardo; Luis, Santiago V. American Chemical Society (2016)Different AuNP-PIL nanocomposites have been developed as bifunctional catalysts in which the IL-like units promote the Knoevenagel condensation through a dual electrophilic/nucleophilic activation relay mechanism and ... -
Binuclear Sulfide Niobium Clusters Coordinated by Diimine Ligands: Synthesis, Structure, Photocatalytic Activity and Optical Limiting Properties
Rogachev, Alexander V.; Gushchin, Artem L.; Abramov, Pavel A.; Kozlova, Ekaterina A.; Vicent Barrera, Cristian; Piryazev, Dmitry; Barlow, Adam; Samoc, Marek; Humphrey, Mark G.; Llusar, Rosa; Fedin, Vladimir P.; Sokolov, Maxim Wiley (2015)Substitution reactions of binuclear niobium cluster anion [Nb2S4(NCS)8]4– with different types of pyridine-based diimine ligands have been carried out. In the case of 2,2′-bipyridine (bipy) and its derivatives, only ... -
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 ... -
Chemoselective Transfer Hydrogenation to Nitroarenes Mediated by Cubane-Type Mo3S4 Cluster Catalysts
Llusar, Rosa; Sorribes, Iván; Vicent Barrera, Cristian; Wienhöfer, Gerrit; Junge, Henrik; Beller, matthias Wiley (2012-07)Chemoselective cubes: Cubane-type [Mo3S4X 3(dmpe)3]+ clusters (dmpe=1,2-(bis) dimethylphosphinoethane), in combination with an azeotropic 5:2 mixture of HCOOH and NEt3 as the reducing agent, act as selective cluster catalysts ... -
Chiral [Mo3S4H3(diphosphine)3]+ hydrido clusters and study of the effect of the metal atom on the kinetics of proton transfer to the coordinated hydride: Mo vs W
Algarra, Andrés G.; García Basallote, Manuel; Fernández-Trujillo, M. Jesús; Feliz Rodríguez, Marta; Guillamón, Eva; Llusar, Rosa; Sorribes, Iván; Vicent Barrera, Cristian American Chemical Society (2010)The molybdenum(IV) cluster hydrides of formula [Mo3S4H3(diphosphine)3]+ with diphosphine = 1,2-(bis)dimethylphosphinoethane (dmpe) or (+)-1,2-bis-(2R,5R)-2,5-(dimethylphospholan-1-yl)ethane ((R,R)-Me-BPE) have been isolated ... -
Clippane: A Mechanically Interlocked Molecule (MIM) Based on Molecular Tweezers
Ibáñez, Susana; Vicent Barrera, Cristian; Peris, Eduardo Wiley (2022-01-10)In this study we report the preparation of a new mechanically interlocked molecule formed by the self-aggregation of two metallotweezers composed by two pyrene-imidazolylidene gold(I) arms and a pyridine-centered pentacyclic ... -
Complexes of M3S44+ (M = Mo, W) with chiral alpha-hydroxy and aminoacids: Synthesis, structure and solution studies
Sokolov, Maxim; Adonin, Sergey A.; Virovets, Alexander V.; Abramov, Pavel A.; Vicent Barrera, Cristian; Llusar, Rosa; Fedin, Vladimir P. Elsevier (2013-01)New complexes of triangular clusters M3S4 4+ (M = Mo, W) with incomplete cuboidal metal–chalcogenide framework bearing chiral a-hydroxy and amino acids have been prepared. L-lactic acid (H2lac), L-mandelic acid (H2man), ... -
Compounds with the Electron-Rich [W6Cl18]2− Cluster Anion
Tragl, Sonja; Ströbele, Markus; Glaser, Jochen; Vicent Barrera, Cristian; Llusar, Rosa; Meyer, H. Jürgen American Chemical Society (2009)Cluster compounds of the general formula A2[W6Cl18] containing singly charged A cations (A = K, Rb, Ag, Tl, NH4, N(C2H5)4, N(n-C3N7)4, N(n-C4H9)4) and [W6Cl18]2− anions have been synthesized. Compounds were obtained by ... -
[Cr(dmbipy)(ox)2]−: a new bis-oxalato building block for metal assembling. Crystal structures and magnetic properties of XPh4[Cr(dmbipy)(ox)2]·5H2O (X = P and As), {Ba(H2O)2[Cr(dmbipy)(ox)2]2}n·17/2nH2O and {Ag(H2O)[Cr(dmbipy)(ox)2]}n·3nH2O
Viciano Chumillas, Marta; Marino, Nadia; Sorribes, Iván; Vicent Barrera, Cristian; Lloret Pastor, Francesc; Julve, Miguel Royal Society of Chemistry (2010)The synthesis, X-ray structure and variable-temperature magnetic study of new compounds of formula PPh4 [Cr(dmbipy)(ox)2 ]$5H2O (1), AsPh4 [Cr(dmbipy)(ox)2 ]$5H2O (2), {Ba(H2O)2[Cr(dmbipy)(ox)2]2}n$17/2nH2O (3) and ... -
Cubane-type Mo3FeS44+,5+ complexes containing outer diphosphane ligands: ligand substitution reactions, spectroscopic studies, and electronic structure
Llusar, Rosa; Sorribes, Iván; Vicent Barrera, Cristian; Waerenborgh, Joao C.; Lloret Pastor, Francesc; Polo Ortiz, Victoriano American Chemical Society (2012-10)A general protocol to access Mo3FeS44+ clusters selectively modified at the Fe coordination site is presented starting from the all-chlorine Mo3(FeCl)S4(dmpe)3Cl3 (1) [dmpe = 1,2-bis(dimethylphosphane-ethane)] cluster and ... -
Cuboidal Mo3S4 and Mo3NiS4 Complexes Bearing Dithiophosphates and Chiral Carboxylate Ligands: Synthesis, Crystal Structure and Fluxionality
Hernández Molina, Rita; González Platas, Javier; Kovalenko, Konstantin A.; Sokolov, Maxim; Llusar, Rosa; Vicent Barrera, Cristian Wiley (2011-02)New triangular Mo and W cluster complexes incorporating (S)-lactic acid (HLac), [Mo3S4(μ-Lac)(dtp)3(py)] (1) and [W3S4(μ-Lac)(dtp)3(py)] (2), were prepared [dtp = (EtO)2PS2]. Analogous synthetic procedures were adapted for ... -
Detection, characterization and quantification of salicylic acid conjugates in plant extracts by ESI tandem mass spectrometric techniques
Pastor, Victoria; Vicent Barrera, Cristian; Cerezo García, Miguel; Mauch-Mani, Brigitte; Dean, John; Flors, Victor Elsevier (2012)An approach for the detection and characterization of SA derivatives in plant samples is presented based on liquid chromatography coupled to electrospray ionization (ESI) tandem mass spectrometric techniques. Precursor ... -
Electrospray Ionization Based Methods for the Generation of Polynuclear Oxo- and Hydroxo Group 6 Anions in the Gas-Phase
Llusar, Rosa; Sorribes, Iván; Vicent Barrera, Cristian Springer Verlag (2009)Electrospray ionization (ESI) of the Lindqvist (n-Bu4N)2[M6O19] (M = Mo, W) polioxometalates provides a straightforward entry for the generation of an assortment of oxo- and hydroxo anions in the gas-phase. In particular, ... -
Heterometallic Cuboidal Clusters M3M‘Q4 (M = Mo, W; M‘= Sn, Pb, As, Sb; Q = S, Se): From Coordination Compounds to Supramolecular Adducts
Hernández Molina, Rita; Kalinina, Irina V.; Abramov, Pavel A.; Sokolov, Maxim; Virovets, Alexander V.; González Platas, Javier; Llusar, Rosa; Polo Ortiz, Victoriano; Vicent Barrera, Cristian; Fedin, Vladimir P. American Chemical Society (2008)Reactions of the incomplete cuboidal clusters [M3Q4(acac)3(py)3]+ (M = Mo, W; Q = S, Se) with group 14 and 15 metal complexes with the s2p0 electronic configuration (AsPh3, SbPh3, SbCl3, SbI3, PbI3-, SnCl3-) led to heterometal ... -
Homoleptic Molybdenum Cluster Sulfides Functionalized with Noninnocent Diimine Ligands: Synthesis, Structure, and Redox Behavior
Gushchin, Artem L.; Laricheva, Yuliya A.; Abramov, Pavel A.; Virovets, Alexander V.; Vicent Barrera, Cristian; Sokolov, Maxim; Llusar, Rosa Wiley (2014)Thiourea (tu) has been coordinated to the Mo3S44+ cluster unit to afford the new cluster compound [Mo3S4(tu)8(H2O)]Cl4·4H2O (1). The high substitutional lability of the thiourea ligands can be exploited to achieve smooth ... -
Hybrid Organic/Inorganic Complexes Based on Electroactive Tetrathiafulvalene-Functionalized Diphosphanes Tethered to C3-Symmetrized Mo3Q4 (Q = S, Se) Clusters
Avarvari, Narcís; Kiracki, Kaplan; Llusar, Rosa; Polo Ortiz, Victoriano; Sorribes, Iván; Vicent Barrera, Cristian American Chemical Society (2010)A two-step procedure for the preparation of hybrid complexes based on electroactive tetrathiafulvalene (TTF)- functionalized o-P2 diphosphanes (o-P2 = 3,4-dimethyl-3,4-bis(diphenylphosphino)tetrathiafulvalene) and inorganic ... -
Identification and characterization of a novel cathinone derivative 1-(2,3dihydro-1H-inden-5-yl)-2-phenyl-2-(pyrrolidin-1-yl)-ethanone seized by customs in Jersey
Bijlsma, Lubertus; Miserez, Bram; Ibáñez, Maria; Vicent Barrera, Cristian; Guillamón, Eva; Ramsey, John; Hernandez, Felix Springer (2015-11)A suspicious white powder labeled “idanyl-biphenyl-amninone,” which was seized by customs officials at the "channel island" of Jersey, UK, was brought to our laboratory for identification and characterization of its ...