Visualitza per autoria "2a60c7d2-5179-4daa-9a08-1c9c45ccd9f4"
Ara mostrant els elements 1-20 d 78
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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 ... -
Air-Stable, Well-Soluble AI2[Nb6Cl18] Cluster Compounds (AI = Organic Cation): A New Route for Preparation, Single-Crystal Structures, Properties, and ESI-Mass Spectra
König, Jonas; Dartsch, Ina; Topp, A.; Guillamón, Eva; Llusar, Rosa; Köckerling, Martin Wiley (2016-04)Five niobium cluster compounds of the AI2[Nb6Cl18] type (AI = organic cation: [nPr4N]+, [nBu4N]+, [BMIm]+, [Ph4P]+, and [PPN]+) are obtained through treatment of [Nb6Cl14(H2O)4]·4H2O with excess of thionyl chloride in the ... -
Base-Free Catalytic Hydrogen Production from Formic Acid Mediated by a Cubane-Type Mo3S4 Cluster Hydride
Guillamón, Eva; Sorribes, Iván; Safont Villarreal, Vicent Sixte; Algarra, Andrés G.; Fernández-Trujillo, M. Jesús; Pedrajas Gual, Elena; Llusar, Rosa; García Basallote, Manuel American Chemical Society (2022-10-14)Formic acid (FA) dehydrogenation is an attractive process in the implementation of a hydrogen economy. To make this process greener and less costly, the interest nowadays is moving toward non-noble metal catalysts and ... -
Benchmarking of DFTmethods using experimental free energies and volumes of activation for the cycloaddition of alkynes to cuboidalMo(3)S(4)clusters
Pedrajas Gual, Elena; Pino Chamorro, Jose Angel; Ferrer, Montserrat; Fernández-Trujillo, M. Jesús; Llusar, Rosa; Martínez, Manuel; García Basallote, Manuel; Algarra, Andrés G. Wiley (2020-06-25)Here, the kinetics of the concerted [3 + 2] cycloaddition reaction between the [Mo3(μ3‐S)(μ‐S)3Cl3(dmen)3]+ (dmen = N,N′‐dimethyl‐ethylenediamine) ([1]+) cluster and various alkynes to form dithiolene derivatives is ... -
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 ... -
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 ... -
C3-symmetry Mo3S4 aminophosphino clusters combining three sources of stereogenicity: stereocontrol directed by hydrogen bond interactions and ligand configuration
Llusar, Rosa; Safont Villarreal, Vicent Sixte; Feliz Rodríguez, Marta; Alfonso Padilla, Carmina Royal Society of Chemistry (2016)A diastereoselective synthesis of proline containing aminophosphino cubane-type Mo3S4 clusters, (P)-[Mo3S4Cl3((1S,2R)-PPro)3]Cl ((P)-[Mo-(SN,RC)]Cl) and (P)-[Mo3S4Cl3((1S,2S)-PPro)3]Cl ((P)-[Mo-(SN,SC)] Cl), has been ... -
Catalytic Hydrogenation of Azobenzene in the Presence of a Cuboidal Mo3S4 Cluster via an Uncommon Sulfur-Based H2 Activation Mechanism
Guillamón, Eva; Oliva, Mónica; Andres, Juan; Llusar, Rosa; Pedrajas Gual, Elena; Safont Villarreal, Vicent Sixte; Algarra, Andrés G.; García Basallote, Manuel American Chemical Society (2021)Azobenzene hydrogenation is catalyzed under moderate conditions by a cuboidal Mo3(μ3-S)(μ-S)3 diamino complex via a cluster catalysis mechanism. Dihydrogen activation by the molecular [Mo3(μ3-S)(μ-S)3Cl3(dmen)3]+ cluster ... -
Chemoselective Hydrogenation of Nitroarenes Catalyzed by Molybdenum Sulphide Clusters
Pedrajas Gual, Elena; Sorribes, Iván; Gushchin, Artem L.; Laricheva, Yuliya A.; Junge, Henrik; Beller, matthias; Llusar, Rosa Wiley (2017-03-20)Herein, we describe an atom efficient and general protocol for the chemoselective hydrogenation of nitroarenes to anilines catalyzed by well-defined diimino and diamino cubane-type Mo3S4 clusters. The novel diimino ... -
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 ... -
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 ... -
Crystal structure and theoretical study of IR and 1H and 13C NMR spectra of cordatin, a natural product with antiulcerogenic activity
Brasil, Davi S.B.; Nahum Alves, Cláudio; Guilhon, Gisele M.S.P.; Müller, Adolfo H.; Secco, Ricardo de S.; Peris, Gabriel; Llusar, Rosa Wiley (2008)Cordatin is a furan diterpenoid with a clerodane skeleton isolated from Croton palanostigma Klotzsch (Euphorbiaceae). This natural product shows significant antiulcerogenic activity, similar to cimetidine (Tagamet®), a ... -
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 ... -
Cuboidal Mo3S4 Clusters as a Platform for Exploring Catalysis: A Three-Center Sulfur Mechanism for Alkyne Semihydrogenation
Algarra, Andrés G.; Guillamón, Eva; Andres, Juan; Fernández-Trujillo, M. Jesús; Pedrajas Gual, Elena; Pino Chamorro, Jose Angel; Llusar, Rosa; García Basallote, Manuel American Chemical Society (2018-08-03)We report a trinuclear Mo3S4 diamino cluster that promotes the semihydrogenation of alkynes. Based on experimental and computational results, we propose an unprecedented mechanism in which only the three bridging sulfurs ... -
Cycloaddition of alkynes to diimino Mo3S4 cubane-type clusters: a combined experimental and theoretical approach
Pino Chamorro, Jose Angel; Laricheva, Yuliya A.; Guillamón, Eva; Fernández-Trujillo, M. Jesús; Bustelo, Emilio; Gushchin, Artem L.; Shmelev, Nikita Y.; Abramov, Pavel A.; Sokolov, Maxim; Llusar, Rosa; García Basallote, Manuel; Algarra, Andrés G. Royal Society of Chemistry (2016)A heterocyclic ligand 4,4′-di-tert-butyl-2,2′-bipyridine (dbbpy) has been coordinated to the Mo3S4 cluster unit affording the complex [Mo3S4Cl3(dbbpy)3]+ ([1]+) in a one-step ligand-exchange protocol from [Mo3S4(tu)8(H2O)]Cl4·4H2O ... -
Disclosing the Biocide Activity of α-Ag2−2xCuxWO4 (0 ≤ x ≤ 0.16) Solid Solutions
Llusar, Rosa; Andres, Juan; Gouveia, Amanda; Guillamón, Eva; Sorribes, Iván; Pereira, Paula; Foggi, Camila Cristina; Pinatti, Ivo M; Cabral, Luís; San-Miguel, Miguel A.; Vergani, Carlos; Simões, Alexandre; Silva, Edison; Cavalcante, Laécio Santos; Longo, Elson MDPI (2022-09-11)n this work, α-Ag2−2xCuxWO4 (0 ≤ x ≤ 0.16) solid solutions with enhanced antibacterial (against methicillin-resistant Staphylococcus aureus) and antifungal (against Candida albicans) activities are reported. A plethora of ... -
Dithiolene dimetallic molybdenum(V) complexes displaying intraligand charge transfer (ILCT) emission
Recatalá Ferrandis, David; Gushchin, Artem L.; Llusar, Rosa; Galindo, Francisco; Brylev, Konstantin A.; Ryzhikov, Maxim R.; Kitamura, Noboru Royal Society of Chemistry (2013)Bifunctional dithiolene ligands have been coordinated to the MoV(O)(μ-S2)MoV(O) unit to afford [Mo2O2(μ-S)2(BPyDTS2)2]2− (12−) (BPyDTS2 (2-bis-(2-pyridyl)methylene-1,3-dithiolene) dianions. Reaction of the 12− molybdenum ...