Listar QFA_Articles por autoría "8f116449-2c07-44fb-b1b5-4e8e44115a73"
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Bifunctional W/NH Cuboidal Aminophosphino W3S4 Cluster Hydrides: The Puzzling Behaviour behind the Hydridic-Protonic Interplay
Guillamón, Eva; Beltrán Álvarez, Tomás Francisco; Safont Villarreal, Vicent Sixte; Castillo, Carmen E.; Algarra, Andrés G.; Fernández-Trujillo, M. Jesús; Pedrajas Gual, Elena; Pino Chamorro, Jose Angel; García Basallote, Manuel; Llusar, Rosa Wiley (2021-09-22)The novel [W3S4H3(edpp)3]+ (edpp=(2-aminoethyl)diphenylphosphine) (1+) cluster hydride with an acidic −NH2 functionality has been synthetized and studied. Its crystal structure shows the characteristic incomplete W3S4 ... -
Influence of the Diphosphine Coordinated to Molybdenum and Tungsten Triangular M3S4 Cluster Hydrides in the Catalytic Hydrodefluorination of Pentafluoropyridine
Alfonso Padilla, Carmina; Beltrán Álvarez, Tomás Francisco; Feliz Rodríguez, Marta; Llusar, Rosa Springer (2015-01)Hydrido molybdenum and tungsten(IV) cluster cations of formula [M3S4H3(dppe)3]+ (dppe = 1,2-(bis)dimethylphosphinoethane), [Mo-1]+ (M = Mo) and [W-1]+ (M = W), have been isolated by reacting their halide precursors with ... -
Influence of the Ligand Alkyl Chain Length on the Solubility, Aqueous Speciation, and Kinetics of Substitution Reactions of Water-Soluble M3S4 (M = Mo, W) Clusters Bearing Hydroxyalkyl Diphosphines
Beltrán Álvarez, Tomás Francisco; Llusar, Rosa; Sokolov, Maxim; García Basallote, Manuel; Fernández-Trujillo, M. Jesús; Pino Chamorro, Jose Angel American Chemical Society (2013)Water-soluble [M3S4X3(dhbupe)3]+ diphosphino complexes (dhbupe = 1,2-bis(bis(hydroxybutyl)phosphino)ethane), 1+ (M = Mo, X = Cl) and 2+ (M = W; X = Br), have been synthesized by extending the procedure used for the ... -
Introducción y aplicación de la plataforma Moodle en prácticas de laboratorio químico
Beltrán Álvarez, Tomás Francisco Universitat Autònoma de Barcelona: Grupo de investigación Didáctica y Multimedia (2013)El presente trabajo constituye un ejemplo de implementación de la plataforma Moodle en clases prácticas de laboratorio químico dirigidas a estudiantes universitarios. La realización de una serie de cuestionarios a través ... -
Mechanism of the catalytic gas-phase aldehyde production from trinuclear W3S4 complexes bearing W-OEt groups
Beltrán Álvarez, Tomás Francisco; Feliz Rodríguez, Marta; Llusar, Rosa; Safont Villarreal, Vicent Sixte; Vicent Barrera, Cristian Elsevier (2011)Collision induced dissociation experiments of the alkoxo [W3S4(dmpe)2(O)(OCH2CH3)]+ tungsten (IV) cation reveal that aldehyde elimination is the dominant reaction pathway. Complementary deuterium labelling experiments give ... -
Mechanism of the Catalytic Hydrodefluorination of Pentafluoropyridine by Group Six Triangular Cluster Hydrides Containing Phosphines: A Combined Experimental and Theoretical Study
Feliz Rodríguez, Marta; Beltrán Álvarez, Tomás Francisco; Llusar, Rosa; Mata Martínez, Jose A; Safont Villarreal, Vicent Sixte American Chemical Society (2010-12-21)The catalytic hydrodefluorination (HDF) of pentafluoropyridine in the presence of arylsilanes is catalyzed by the tungsten and molybdenum(IV) cluster hydrides of formula [M3S4H3(dmpe)3]+, W-1+ for M = W and Mo-1+ for M = ... -
Studies on the Reactivity of the Aminophosphino [W 3 S 4 Br 3 (edpp ) 3 ] + (edpp= (2 - aminoethyl) diphenylphosphine) Cluster Cation towards Bases Reveal ing a Non - Passive Role of the Amino Group
Pino Chamorro, Jose Angel; Beltrán Álvarez, Tomás Francisco; Fernández-Trujillo, M. Jesús; García Basallote, Manuel; Llusar, Rosa; Algarra, Andrés G. Wiley (2017-11-24)Detailed studies using stopped-flow, 31 P{ 1 H} NMR, a nd ESI - MS have been carried on the reaction of the [W 3 S 4 Br 3 (edpp) 3 ] + (edpp = ( 2 - aminoethyl)diphenylphosphine ) ... -
Synthesis and structure of methoxo-terminated molybdenum and tungsten M3S4 clusters containing aminophosphine ligands
Beltrán Álvarez, Tomás Francisco; Llusar, Rosa Elsevier (2019)Trinuclear [M3S4(OCH3)3](edpp)3] + complexes, 1+ (M = Mo) and 2+ (M = W) bearing (2-aminoethyl) diphenylphosphine (edpp), have been isolated and fully characterized. Molybdenum and tungsten halide precursors react with ... -
Synthesis and Structure of Trinuclear W3S4 Clusters Bearing Aminophosphine Ligands and Their Reactivity toward Halides and Pseudohalides
Beltrán Álvarez, Tomás Francisco; Pino Chamorro, Jose Angel; Fernández-Trujillo, M. Jesús; Safont Villarreal, Vicent Sixte; García Basallote, Manuel; Llusar, Rosa American Chemical Society (2014-12-31)The aminophosphine ligand (2-aminoethyl)diphenylphosphine (edpp) has been coordinated to the W3(μ-S)(μ-S)3 cluster unit to afford trimetallic complex [W3S4Br3(edpp)3]+ (1+) in a one-step synthesis process with high yields. ... -
Synthesis, Structure, and Gas-Phase Fragmentation of Trinuclear Mo3S4 Clusters Bearing Aminophosphine Ligands: A Combined Experimental and Theoretical Study
Beltrán Álvarez, Tomás Francisco; Safont Villarreal, Vicent Sixte; Llusar, Rosa Wiley (2016-10-05)Aminophosphine [Mo3S4X3(edpp)3]+ cluster complexes, 1+ (X = Cl) and 2+ (X = Br) {edpp = (2-aminoethyl)diphenylphosphine} have been quantitatively prepared by treating the [Mo3S7X6]2– anion with the edpp ligand in a one-pot ... -
Synthesis, Structure, Gas-Phase Reactivity, and Catalytic Relevance of Trinuclear Mo3S4 Clusters Bearing Terminal Hydroxo and Hydrosulfido Groups
Beltrán Álvarez, Tomás Francisco; Feliz Rodríguez, Marta; Llusar, Rosa; Safont Villarreal, Vicent Sixte; Vicent Barrera, Cristian WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim (2013-11)Molybdenum(IV) hydroxo [Mo3S4(dmpe)3(OH)3]+ (1+) and hydrosulfido [Mo3S4(dmpe)3(SH)3]+ (2+) [dmpe = 1,2-bis(dimethylphosphanyl)ethane] trimetallic cuboidal cluster complexes have been isolated in high yields by treating ... -
Water-Soluble Mo3S4 Clusters Bearing Hydroxypropyl Diphosphine Ligands: Synthesis, Crystal Structure, Aqueous Speciation, and Kinetics of Substitution Reactionss
García Basallote, Manuel; Fernández-Trujillo, M. Jesús; Pino Chamorro, Jose Angel; Llusar, Rosa; Beltrán Álvarez, Tomás Francisco; Corao, Carolina; Sokolov, Maxim; Vicent Barrera, Cristian Elsevier (2012-06)The [Mo3S4Cl3(dhprpe)3]+ (1+) cluster cation has been prepared by reaction between Mo3S4Cl4(PPh3)3 (solvent)2 and the water-soluble 1,2-bis(bis(hydroxypropyl)phosphino)ethane (dhprpe, L) ligand. The crystal structure of ...