Search results for: José Vidal‐Gancedo

Items from 1 to 20 out of 32 results

article

Discrimination of Octahedral versus Trigonal Bipyramidal Coordination Geometries of Homogeneous Ti^IV, V^V, and Mo^VI Amino Triphenolate Complexes through Nitroxyl Radical Units

Elena Badetti, Vega Lloveras, Francesco Romano, Rosalia Di Lorenzo, more

European Journal of Inorganic Chemistry > 2016 > 31 > 4968 - 4973

A new stable radical‐containing ligand and the corresponding V^V, Ti^IV, and Mo^VI complexes have been synthesized and studied by electron paramagnetic resonance (EPR) spectroscopy. To achieve this goal, a novel strategy for the post‐derivatization of a triphenolamine (TPA) ligand has been developed. This has allowed the effective embedding of three TEMPO (2,2,6,6‐tetramethyl‐1‐piperidinyloxy) radicals...

article

Discrimination of Octahedral versus Trigonal Bipyramidal Coordination Geometries of Homogeneous Ti^IV, V^V, and Mo^VI Amino Triphenolate Complexes through Nitroxyl Radical Units

Elena Badetti, Vega Lloveras, Francesco Romano, Rosalia Di Lorenzo, more

European Journal of Inorganic Chemistry > 2016 > 31 > 4939 - 4939

Invited for the cover of this issue is the group of Giulia Licini at Università di Padova, Italy, in collaboration with the NANOMOL research group at the Institute of Materials Science of Barcelona, Spain. The cover image shows the change in geometry of an amino triphenolate vanadium(V) complex, which is detected by EPR spectroscopy.

article

Front Cover: Discrimination of Octahedral versus Trigonal Bipyramidal Coordination Geometries of Homogeneous Ti^IV, V^V, and Mo^VI Amino Triphenolate Complexes through Nitroxyl Radical Units (Eur. J. Inorg. Chem. 31/2016)

Elena Badetti, Vega Lloveras, Francesco Romano, Rosalia Di Lorenzo, more

European Journal of Inorganic Chemistry > 2016 > 31 > 4938 - 4938

The cover picture shows an amino triphenolate vanadium(V) complex that has three 2,2,6,6‐tetramethyl‐1‐piperidinyloxy (TEMPO) spin carriers embedded in its structure. The addition of a Lewis base (trioctylphosphine oxide) switches the geometry from trigonal bipyramidal (TBP) to octahedral (OCT). This switching is detected with the use of EPR spectroscopy. Details are discussed in the article by E...

article

Magnetic and Electrochemical Properties of a TEMPO‐Substituted Disulfide Diradical in Solution, in the Crystal, and on a Surface

Vega Lloveras, Elena Badetti, Klaus Wurst, Victor Chechik, more

Chemistry – A European Journal > 22 > 5 > 1805 - 1815

A study of the magnetic and electrochemical properties of a TEMPO‐substituted disulfide diradical in three different environments was carried out: in solution, in the crystal, and as a self‐assembled monolayer (SAM) on an Au(111) substrate, and the relationship between them was explored. In solution, this flexible diradical shows a strong spin‐exchange interaction between the two nitroxide functions...

article

Tetrathiafulvalene‐Based Mixed‐Valence Acceptor–Donor–Acceptor Triads: A Joint Theoretical and Experimental Approach

Joaquín Calbo, Juan Aragó, Francisco Otón, Vega Lloveras, more

Chemistry – A European Journal > 19 > 49 > 16656 - 16664

This work presents a joint theoretical and experimental characterisation of the structural and electronic properties of two tetrathiafulvalene (TTF)‐based acceptor–donor–acceptor triads (BQ–TTF–BQ and BTCNQ–TTF—BTCNQ; BQ is naphthoquinone and BTCNQ is benzotetracyano‐p‐quinodimethane) in their neutral and reduced states. The study is performed with the use of electrochemical, electron paramagnetic...

article

Activation of weak nucleophiles: polyfluorocarbamates from polyfluoroalcohols via a fast radical reaction

Marc Soto, Helena Comalrena, Ursula Balduzzi, Gonzalo Guirado, more

Tetrahedron Letters > 2013 > 54 > 47 > 6310-6313

A new fast radical mechanism has been observed for the reaction of polyfluorinated alcohols and phenylisocyanate, very sensitive to the change of solvents and the concentration of reactants. The acidity of polyfluoroalcohols seems to be responsible for the observed new reactivity and evidences from kinetic studies, electron paramagnetic resonance, cyclic voltammetry, and photostimulation suggest that...

article

Induced Self‐Assembly of a Tetrathiafulvalene‐Based Open‐Shell Dyad through Intramolecular Electron Transfer

Judith Guasch, Luca Grisanti, Vega Lloveras, José Vidal‐Gancedo, more

Angewandte Chemie > 124 > 44 > 11186 - 11190

Ein organischer Schalter: Eine offenschalige Dyade bestehend aus einem radikalischen Perchlortriphenyl‐Elektronenakzeptor und einem Tetrathiafulvalen‐Elektronendonor, die über eine Vinylen‐π‐Brücke verbunden sind, wurde synthetisiert (siehe Bild). Die durch den intramolekularen Elektronentransfer ausgelöste Selbstorganisation der Dyade wurde in Lösung untersucht.

article

Induced Self‐Assembly of a Tetrathiafulvalene‐Based Open‐Shell Dyad through Intramolecular Electron Transfer

Judith Guasch, Luca Grisanti, Vega Lloveras, José Vidal‐Gancedo, more

Angewandte Chemie International Edition > 51 > 44 > 11024 - 11028

An organic switch: An open‐shell dyad, consisting of an electron acceptor perchlorotriphenylmethyl radical unit linked to an electron π‐donor tetrathiafulvalene unit through a vinylene π‐bridge, was synthesized (see picture). The self‐assembly of the dyad in solution induced by its intramolecular electron transfer was studied.

article

Coupling Tetracyanoquinodimethane to Tetrathiafulvalene: A Fused TCNQ–TTF–TCNQ Triad

Francisco Otón, Vega Lloveras, Marta Mas‐Torrent, José Vidal‐Gancedo, more

Angewandte Chemie International Edition > 50 > 46 > 10902 - 10906

Happy marriage: For the first time, a fused TCNQ–TTF–TCNQ triad has been synthesized and structurally characterized. Strong bending is observed in both the TTF bridge and the benzo‐TCNQ moieties, which prevents good packing for intermolecular charge transfer. The Vis/NIR and VT‐EPR studies of the mixed‐valence derivative of the triad indicate that the electrons are moving from one acceptor moiety...

article

Coupling Tetracyanoquinodimethane to Tetrathiafulvalene: A Fused TCNQ–TTF–TCNQ Triad

Francisco Otón, Vega Lloveras, Marta Mas‐Torrent, José Vidal‐Gancedo, more

Angewandte Chemie > 123 > 46 > 11094 - 11098

Glückliche Ehe: Die erste fusionierte TCNQ–TTF–TCNQ‐Triade wurde synthetisiert und strukturell charakterisiert. In der TTF‐Brücke und den Benzo‐TCNQ‐Einheiten wurde eine starke Krümmung beobachtet, was eine gute Packung für intermolekularen Ladungstransfer verhindert. Die Vis/NIR‐ und VT‐EPR‐Studien der gemischtvalenten Derivate der Triade deuten an, dass die Elektronen sich über die Donor‐TTF‐Brücke...

article

Electron spin resonance study of single‐walled carbon nanotubes

Aida Abiad Monge, Núria Ferrer‐Anglada, Vega Lloveras, José Vidal‐Gancedo, more

physica status solidi (b) > 248 > 11 > 2564 - 2567

Studies of electron spin resonance (ESR) are reported on several types of single‐walled carbon nanotubes (SWCNTs) synthesized by different methods. We work both with the obtained samples, which contained randomly distributed semiconducting and metallic SWCNTs, and with selected 99% semiconducting or metallic SWCNTs. Our aim is to use ESR spectroscopy in order to assess the quality of carbon nanotubes...

article

Tunneling versus Hopping in Mixed-Valence Oligo- p -phenylenevinylene Polychlorinated Bis(triphenylmethyl) Radical Anions

Vega Lloveras, José Vidal-Gancedo, Teresa M. Figueira-Duarte, Jean-François Nierengarten, more

Journal of the American Chemical Society > 2011 > 133 > 15 > 5818 - 5833

article

Specific solvent effects on the intramolecular electron transfer reaction in a neutral ferrocene donor polychlorotriphenylmethyl acceptor radical with extended conjugation

Christian Sporer, Imma Ratera, Daniel Ruiz-Molina, José Vidal Gancedo, more

Solid State Sciences > 2009 > 11 > 4 > 786-792

The synthesis and the optical, magnetic and electrochemical properties of the ferrocenylbutynene substituted polychlorotriphenylmethyl radical 1 are reported. Radical 1 is prepared in a three step synthetic route starting with a Wittig reaction to yield (E,Z)-{4-[4-(bis(2,3,4,5,6-pentachlorophenyl)methyl)-2,3,5,6-tetra-chlorophenyl]but-3-en-1-ynyl}-ferrocene (1H) which is subsequently deprotonated...

article

Design, Selection, and Characterization of Thioflavin-Based Intercalation Compounds with Metal Chelating Properties for Application in Alzheimer’s Disease

Cristina Rodríguez-Rodríguez, Natalia Sánchez de Groot, Albert Rimola, Ángel Álvarez-Larena, more

Journal of the American Chemical Society > 2009 > 131 > 4 > 1436 - 1451

article

Self-Assembled Monolayers of Electroactive Polychlorotriphenylmethyl Radicals on Au(111)

Núria Crivillers, Marta Mas-Torrent, José Vidal-Gancedo, Jaume Veciana, more

Journal of the American Chemical Society > 2008 > 130 > 16 > 5499 - 5506

article

Synthesis and Doping of a Multifunctional Tetrathiafulvalene- Substituted Poly(isocyanide)

Elba Gomar-Nadal, Laurent Mugica, José Vidal-Gancedo, Juan Casado, more

Macromolecules > 2007 > 40 > 21 > 7521 - 7531

article

Electroactive Thiazole Derivatives Capped with Ferrocenyl Units Showing Charge-Transfer Transition and Selective Ion-Sensing Properties: A Combined Experimental and Theoretical Study

Antonio Caballero, Vega Lloveras, David Curiel, Alberto Tárraga, more

Inorganic Chemistry > 2007 > 46 > 3 > 825 - 838

article

Harnessing ICl Reduction Processes for Synthesis of Different BEDT-TTF-Based Molecular Conductors

Elena Laukhina, Vladislava Tkacheva, Igor Chuev, Roman Wojciechowski, more

The Journal of Physical Chemistry B > 2005 > 109 > 35 > 16705 - 16710

article

Spin Transfer and Magnetic Interaction via Phosphorus in Nitronyl Nitroxide Radical Substituted Triphenylphosphine Derivatives

Corinne Rancurel, Henrike Heise, Frank H. Köhler, Ulrich Schatzschneider, more

The Journal of Physical Chemistry A > 2004 > 108 > 33 > 6928 - 6928

article

Spin Transfer and Magnetic Interaction via Phosphorus in Nitronyl Nitroxide Radical-Substituted Triphenylphosphine Derivatives

Corinne Rancurel, Henrike Heise, Frank H. Köhler, Ulrich Schatzschneider, more

The Journal of Physical Chemistry A > 2004 > 108 > 27 > 5903 - 5914

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Keywords

EPR SPECTROSCOPY (4)
DONOR–ACCEPTOR SYSTEMS (2)
ELECTRON TRANSFER (2)
ELEKTRONENTRANSFER (2)
RADICALS (2)
(4,5-ETHYLENEDITHIO-4',5'-VINYLENEDITHIO)TETRATHIAFULVALENE (1)
CARBON NANOTUBES (1)
CYCLIC VOLTAMMETRY (1)
DENSITY FUNCTIONAL CALCULATIONS (1)
DIRADICALS (1)
DONOR‐AKZEPTOR‐SYSTEME (1)
ELECTRON PARAMAGNETIC RESONANCE (1)
ELECTRONIC STRUCTURE (1)
EPR (1)
ESR (1)
ESR SPECTROSCOPY (1)
ESR‐SPEKTROSKOPIE (1)
FERROCENE (1)
GEMISCHTVALENTE VERBINDUNGEN (1)
INTRAMOLECULAR ELECTRON TRANSFER (1)
INTRAMOLECULAR SPIN-EXCHANGE INTERACTION (1)
MECHANISM (1)
MIXED‐VALENCE COMPOUNDS (1)
MIXED‐VALENT COMPOUNDS (1)
MOLYBDENUM (1)
O. ELECTRON PARAMAGNETIC RESONANCE (EPR) (1)
OPTICAL STUDIES (1)
POLYFLUOROCARBAMATES (1)
RADICAL CATION SALTS (1)
RADICAL CHAIN REACTION (1)
RADICALS AND FREE RADICAL REACTIONS (1)
RADIKALE (1)
RING TRANSFORMATIONS (1)
SELBSTORGANISATION (1)
SELF-ASSEMBLED MONOLAYERS (1)
SELF‐ASSEMBLY (1)
SINGLE ELECTRON TRANSFER (1)
SPECTROELECTROCHEMISTRY (1)
SPEKTROELEKTROCHEMIE (1)
SUPRAMOLECULAR CHEMISTRY (1)
SUPRAMOLEKULARE CHEMIE (1)
SWCNT PURITY (1)
TEMPERATURE (1)
TETRACYANOPLATINATE(II) ANION (1)
TETRATHIAFULVALEN (1)
TETRATHIAFULVALENE (1)
TITANIUM (1)
TRIAZOLOPYRIDINES (1)
TRIPHENYLMETHYL RADICAL (1)
VANADIUM (1)
X-RAY CRYSTAL STRUCTURE (1)
X-RAY DIFFRACTION (1)
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ACS (15)
Wiley (10)
Elsevier (7)

Journal

Journal of the American Chemical Society (4)
European Journal of Inorganic Chemistry (3)
Inorganic Chemistry (3)
Angewandte Chemie (2)
Angewandte Chemie International Edition (2)
Chemistry – A European Journal (2)
Journal of Physics and Chemistry of Solids (2)
Tetrahedron Letters (2)
The Journal of Physical Chemistry A (2)
The Journal of Physical Chemistry B (2)
Chemistry of Materials (1)
Macromolecules (1)
Nano Letters (1)
Solid State Sciences (1)
Synthetic Metals (1)
Tetrahedron (1)
The Journal of Organic Chemistry (1)
physica status solidi (b) (1)
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INFONA - science communication portal

Search results for: José Vidal‐Gancedo

Discrimination of Octahedral versus Trigonal Bipyramidal Coordination Geometries of Homogeneous Ti^IV, V^V, and Mo^VI Amino Triphenolate Complexes through Nitroxyl Radical Units

Discrimination of Octahedral versus Trigonal Bipyramidal Coordination Geometries of Homogeneous Ti^IV, V^V, and Mo^VI Amino Triphenolate Complexes through Nitroxyl Radical Units

Front Cover: Discrimination of Octahedral versus Trigonal Bipyramidal Coordination Geometries of Homogeneous Ti^IV, V^V, and Mo^VI Amino Triphenolate Complexes through Nitroxyl Radical Units (Eur. J. Inorg. Chem. 31/2016)

Magnetic and Electrochemical Properties of a TEMPO‐Substituted Disulfide Diradical in Solution, in the Crystal, and on a Surface

Tetrathiafulvalene‐Based Mixed‐Valence Acceptor–Donor–Acceptor Triads: A Joint Theoretical and Experimental Approach

Activation of weak nucleophiles: polyfluorocarbamates from polyfluoroalcohols via a fast radical reaction

Induced Self‐Assembly of a Tetrathiafulvalene‐Based Open‐Shell Dyad through Intramolecular Electron Transfer

Induced Self‐Assembly of a Tetrathiafulvalene‐Based Open‐Shell Dyad through Intramolecular Electron Transfer

Coupling Tetracyanoquinodimethane to Tetrathiafulvalene: A Fused TCNQ–TTF–TCNQ Triad

Coupling Tetracyanoquinodimethane to Tetrathiafulvalene: A Fused TCNQ–TTF–TCNQ Triad

Electron spin resonance study of single‐walled carbon nanotubes

Tunneling versus Hopping in Mixed-Valence Oligo- p -phenylenevinylene Polychlorinated Bis(triphenylmethyl) Radical Anions

Specific solvent effects on the intramolecular electron transfer reaction in a neutral ferrocene donor polychlorotriphenylmethyl acceptor radical with extended conjugation

Design, Selection, and Characterization of Thioflavin-Based Intercalation Compounds with Metal Chelating Properties for Application in Alzheimer’s Disease

Self-Assembled Monolayers of Electroactive Polychlorotriphenylmethyl Radicals on Au(111)

Synthesis and Doping of a Multifunctional Tetrathiafulvalene- Substituted Poly(isocyanide)

Electroactive Thiazole Derivatives Capped with Ferrocenyl Units Showing Charge-Transfer Transition and Selective Ion-Sensing Properties: A Combined Experimental and Theoretical Study

Harnessing ICl Reduction Processes for Synthesis of Different BEDT-TTF-Based Molecular Conductors

Spin Transfer and Magnetic Interaction via Phosphorus in Nitronyl Nitroxide Radical Substituted Triphenylphosphine Derivatives

Spin Transfer and Magnetic Interaction via Phosphorus in Nitronyl Nitroxide Radical-Substituted Triphenylphosphine Derivatives

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