Search Results - "Claramunt, Rosa María"

Tautomerism in the Solid State and in Solution of a Series of 6-Aminofulvene-1-aldimines by Sanz, Dionisia, Pérez-Torralba, Marta, Alarcón, Sergio Hugo, Claramunt, Rosa María, Foces-Foces, Concepción, Elguero, José

“…To study systems able to sustain intramolecular proton-transfer, we have prepared a series of six aminofulvene aldimines including several labeled with 15N and…”
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Quantifying Weak Hydrogen Bonding in Uracil and 4-Cyano-4‘-ethynylbiphenyl:  A Combined Computational and Experimental Investigation of NMR Chemical Shifts in the Solid State by Uldry, Anne-Christine, Griffin, John M, Yates, Jonathan R, Pérez-Torralba, Marta, Santa María, M. Dolores, Webber, Amy L, Beaumont, Maximus L. L, Samoson, Ago, Claramunt, Rosa María, Pickard, Chris J, Brown, Steven P

“…Weak hydrogen bonding in uracil and 4-cyano-4‘-ethynylbiphenyl, for which single-crystal diffraction structures reveal close CH···OC and C⋮CH···N⋮C distances,…”
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Redox Properties and Interchromophoric Electronic Interactions in Isoalloxazine−Anthraquinone Dyads by Valenti, Giovanni, Iurlo, Matteo, Claramunt, Rosa María, Accorsi, Gianluca, Paolucci, Francesco, Farrán, M. Ángeles, Marcaccio, Massimo

“…The electrochemistry of a family of recently synthesized isoalloxazine cyclophanes containing anthraquinones, variously substituted and linked by aliphatic…”
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Symmetrization of Cationic Hydrogen Bridges of Protonated Sponges Induced by Solvent and Counteranion Interactions as Revealed by NMR Spectroscopy by Pietrzak, Mariusz, Wehling, Jens P., Kong, Shushu, Tolstoy, Peter M., Shenderovich, Ilya G., López, Concepción, Claramunt, Rosa María, Elguero, José, Denisov, Gleb S., Limbach, Hans-Heinrich

“…The properties of the intramolecular hydrogen bonds of doubly 15N‐labeled protonated sponges of the 1,8‐bis(dimethylamino)naphthalene (DMANH+) type have been…”
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The Direct Detection of a Hydrogen Bond in the Solid State by NMR through the Observation of a Hydrogen-Bond Mediated 15N−15N J Coupling by Brown, Steven P, Pérez-Torralba, Marta, Sanz, Dionísia, Claramunt, Rosa María, Emsley, Lyndon

“…A new method for detecting hydrogen bonds in the solid state is presented. Using two-dimensional NMR correlation experiments, it is shown that a hydrogen-bond…”
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NMR Studies of Ultrafast Intramolecular Proton Tautomerism in Crystalline and Amorphous N,N′-Diphenyl-6-aminofulvene-1-aldimine: Solid-State, Kinetic Isotope, and Tunneling Effects by Lopez del Amo, Juan Miguel, Langer, Uwe, Torres, Verónica, Buntkowsky, Gerd, Vieth, Hans-Martin, Pérez-Torralba, Marta, Sanz, Dionísia, Claramunt, Rosa María, Elguero, José, Limbach, Hans-Heinrich

“…Using solid-state NMR spectroscopy, we have detected and characterized ultrafast intramolecular proton tautomerism in the N−H−N hydrogen bonds of solid…”
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Apparent Allyl Rotation in New Allylpalladium(II) Complexes with Pyrazolyl N-Donor Ligands by Guerrero, Ana, Jalón, Félix A., Manzano, Blanca R., Rodríguez, Ana, Claramunt, Rosa María, Cornago, Pilar, Milata, Viktor, Elguero, José

“…The ligands 2,4,6‐tris(pyrazol‐1‐yl)‐1,3,5‐triazine (TPzT), 2,4,6‐tris(3,5‐dimethyl‐pyrazol‐1‐yl)‐1,3,5‐triazine (Me2‐TPzT), and…”
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2,4,6-Tris(azol-1-yl)-1,3,5-triazines: A New Class of Multidentate Ligands by María Claramunt, Rosa, Milata, Viktor, Cabildo, Pilar, Dolores Santa María, María, Cornago, Pilar, Infantes, Lourdes, H. Cano, Felix, Elguero, Jose

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Chiral self-assembly of enantiomerically pure (4S,7R)-campho[2,3-c]pyrazole in the solid state: a vibrational circular dichroism (VCD) and computational study by Quesada-Moreno, María Mar, Avilés-Moreno, Juan Ramón, López-González, Juan Jesús, Claramunt, Rosa María, López, Concepción, Alkorta, Ibon, Elguero, José

“…‘Chiral self-assembly of optically pure (4S,7R)-campho[2,3-c]pyrazole in the solid state.’ NH-Indazoles in solid phase usually form NH⋯N hydrogen bonds between…”
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A Multinuclear NMR Spectral Study of Parent Azoles and Benzazoles: Experimental Results and GIAO Ab initio Calculations by María Claramunt, Rosa, M. Claramunt, Rosa, López, Concepción, Sanz, Dionisia, Alkorta, Ibon, Elguero, José

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Methylation of (1-azolyl)-1,4-dihydroxy-benzenes by Claramunt, Rosa María, Escolástico, Consuelo, Elguero, José

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Structure and tautomerism of 3(5)-amino-5(3)-arylpyrazoles in the solid state and in solution: An X-ray and NMR study by Quiroga Puello, Jairo, Insuasty Obando, Braulio, Foces-Foces, Concepción, Infantes, Lourdes, Claramunt, Rosa María, Cabildo, Pilar, Jiménez, JoséAntonio, Elguero, José

“…The crystal and molecular structures of five 3(5)-amino-5(3)-arylpyrazoles differing in the nature of the substituent at the para position of the phenyl ring (…”
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Fluoropyrazoles: An Ab initio Study by Elguero, José, María Claramunt, Rosa, Alkorta, Ibon

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Addition of 3(5)-methylpyrazole to p-benzoquinone by Claramunt, Rosa María, Escolástico, Consuelo, Elguero, José

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Synthesis and Mesogenic Properties of Schiff Bases Derived from Aminopyrazoles by Elguero, José, María Claramunt, Rosa, Forfar, Isabel, Cabildo, Pilar, Lafuente, Javier, Barberá, Joaquín, Giménez, Raquel

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On the TICT Mechanism of 9,9′-Biaryl Compounds by Catalán, Javier, Díaz, Cristina, López, Vicenta, Pérez, Pilar, Claramunt, Rosa María

“…The UV/Vis absorption and fluorescence spectra for 9,9′‐biacridinyl (BAC) and 9‐(9′‐acridyl)carbazole (C9AC) were recorded in approximately 50 different…”
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Synthesis and structural studies of symmetric and unsymmetric adamantylmethyleneazines by Sanz, Dionisia, Alejandra Ponce, María, María Claramunt, Rosa, Fernández-Castaño, Cristina, Foces-Foces, Concepción, Elguero, José

“…The synthesis and spectroscopic properties (1H, 13C and 15N NMR, in solution and in the solid state) of six new 1‐adamantylmethylene azines are reported. The…”
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Intramolecular interactions and photoinduced electron transfer in isoalloxazine-naphthalene bichromophores by Accorsi, Gianluca, Barigelletti, Francesco, Farrán, Angeles, Herranz, Fernando, Claramunt, Rosa María, Marcaccio, Massimo, Valenti, Giovanni, Paolucci, Francesco, Pinilla, Elena, Torres, María Rosario

“…The synthesis, the structural characterization and electrochemical and photophysical properties of new linear ( OFn) and macrocyclic ( MFn) bichromophoric…”
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The Structure of Aminoazoles and Its Relationship with Aromaticity. Crystal and Molecular Structure of Two Polymorphic Forms of 4-Aminopyrazole by Cabildo, Pilar, Infantes, Lourdes, Foces-Foces, Concepción, María Claramunt, Rosa, Mó, Otilia, Yáñez, Manuel, Elguero, José

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Basicity and acidity of azoles: the annelation effect in azoles by Catalan, Javier, Claramunt, Rosa Maria, Elguero, Jose, Laynez, Jose, Menendez, Margarita, Anvia, Frederick, Quian, J. H, Taagepera, Mare, Taft, Robert W

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