Now showing items 1-20 of 978

    Crystallographic and Computational Analysis of Oxyma B Cocrystals with Nitrogen-Containing Coformers: The Relevant Role of <em>n</em> → π* Interactions in Their Diverse Supramolecular Architectures 

    Jemai, Mahdi; Barbas Cañero, Rafael; Barceló-Oliver, Miquel; Marouani, Houda; Albericio Palomera, Fernando; Frontera, Antonio; Prohens López, Rafael (2025-10-30)

    Three new cocrystals of Oxyma-B, an important racemization suppressor for peptide synthesis, with 6-methylquinoline (I), 2,3,5,6-tetramethylpyrazine (II), and 1,10-phenanthroline (III) were synthesized and their single ...

    Kinetico-mechanistic insights into the photodynamic process of AuI complexes with the CNC6H4NNC6H5 (iso-Ph) azobenzene ligand 

    Raïch Panisello, Ot; Jover Modrego, Jesús; Puigjaner, Cristina; Ferrer García, Montserrat; Martínez López, Manuel, 1957- (2025-10-17)

    A family of neutral isocyanide monoazo AuI complexes [AuCl(iso-Ph)], [Au(C6F5)(iso-Ph)] and [Au(C[triple bond, length as m-dash]Cpy)(iso-Ph)] (iso-Ph being CN–C6H4–N[double bond, length as m-dash]N–Ph) and a closely related ...

    Confronting positions: para- vs. meta-functionalization in triindole for p-type air-stable OTFTs 

    Cuadrado Santolaria, Alba; Bujaldón Carbó, Roger; Fabregat, Clara; Puigdollers i González, Joaquim; Velasco Castrillo, Dolores (2025-10-13)

    The 5,10,15-trihexyl-10,15-dihydro-5H-diindolo[3,2-a:3′,2′-c]carbazole core, namely triindole, is well-known for its prominent hole-transporting properties and air stability. The functionalization of this core is also ...

    Computational Study of a Copper-Catalyzed Synthesis of Fluoroalcohols from Alkylboranes and Ketones 

    Gómez-Mudarra, Francisco A.; Aullón López, Gabriel; Jover Modrego, Jesús (2025-11-05)

    Fluoroalcohols are a class of organic compounds containing one or more fluorine atoms together with an alcohol group in their molecular structure. These fluorinated species have a wide range of applications due to their ...

    Revisiting the structure and properties of mid-valent monopentamethylcyclopentadienylchromium complexes 

    Calvo-Molina, Adrián; Jover Modrego, Jesús; Pérez-Redondo, Adrián; Yélamos, Carlos (2025-07-10)

    The structure and properties of half-sandwich chromium complexes derived from the dinuclear chloride compound [{CrCp*(μ-Cl)}2] (1) (Cp* = η5-C5Me5) are revisited. Complex 1 does not react with H2 and N2 but cleaves the ...

    Unraveling the magnetic properties of NiO nanoparticles: From synthesis to nanostructure 

    Moya Álvarez, Carlos; Ara Escario, Jorge; Labarta, Amílcar; Batlle Gelabert, Xavier (2025-07-10)

    NiO nanoparticles have garnered significant interest due to their diverse applications and unique properties, which differ markedly from their bulk counterparts. NiO nanoparticles are p-type semiconductors with a wide ...

    Multi-Length Scale Communication Effects in Catalysis: Thinking Big and Acting Small 

    Moyano i Baldoire, Albert; Crusats i Aliguer, Joaquim (2025-04-24)

    The use of hierarchically structured materials as catalysts has been finding increasing application in the past years. For these catalytic systems, not only the nano-scale matters: a high degree of order across multiple ...

    MAF amplification licenses ERα through epigenetic remodelling to drive breast cancer metastasis.  

    Llorente Lope, Alicia; Blasco, M. T.; Espuny, Irene; Guiu, Marc; Ballaré, C.; Blanco, E.; Caballé, A.; Bellmunt, Anna; Salvador, F.; Morales, A.; Nuñez, M.; Loren, Guillem; Imbastari, Francesca; Fidalgo, Marta; Figueras-Puig, Cristina; Gibler, Patrizia; Graupera, M.; Monteiro, F.; Riera i Escalé, Antoni; Holen, I.; Avgustinova, A.; Di Croce, L.; Gomis, R. R. (2025-02-21)

    MAF amplification increases the risk of breast cancer (BCa) metastasis through mechanisms that are still poorly understood yet have important clinical implications. Oestrogen-receptor-positive (ER+) BCa requires oestrogen ...

    Non-Innocent π Linkers Affect Cooperativity in Hydrogen-Bonded Macrocycles 

    Almacellas, David; van der Lubbe, Stephanie C. C.; Grosch, Alice A.; Tsagri, Iris; Poater i Teixidor, Jordi; Fonseca Guerra, Célia (2025-02-13)

    Rigid, linear π-conjugated acetylene linkers connecting a hydrogen-bond acceptor to a hydrogen-bond donor are established building blocks for self-assembled hydrogen-bonded macrocycles. Kohn-Sham molecular orbital and ...

    Cooperativity in Hydrogen-Bonded Macrocycles Derived from Nucleobases 

    Almacellas, David; van der Lubbe, Stephanie C. C.; Grosch, Alice A.; Tsagri, Iris; Fonseca Guerra, Célia; Poater i Teixidor, Jordi (2025-02-13)

    Introducing a rigid linear π-conjugated acetylene linker into a supramolecular building block consisting of a hydrogen-bond donor side and a hydrogen-bond acceptor side yields a decrease in cooperativity in the resulting ...

    Multiple hydrogen-bonded dimers: Are only the frontier atoms relevant? 

    Nieuwland, Celine; Almacellas, David; Veldhuizen, Mac M.; de Azevedo Santos, Lucas; Poater i Teixidor, Jordi; Fonseca Guerra, Célia (2025-02-13)

    Non-frontier atom exchanges in hydrogen-bonded aromatic dimers can induce significant interaction energy changes (up to 6.5 kcal mol−1). Our quantum-chemical analyses reveal that the relative hydrogen-bond strengths of ...

    Rhodium and ruthenium complexes of methylene-bridged, P-stereogenic, unsymmetrical diphosphanes 

    Eusamio, Javier; Medina, Yaiza M.; Córdoba, Javier C.; Vidal Ferran, Anton; Sainz García, Daniel; Gutiérrez, Albert; Font Bardia, Ma. Mercedes; Grabulosa, Arnald (2024-12-13)

    Enantiopure P-stereogenic methylphosphane-boranes (SP)-P(BH3)PhArMe (ArMe; Ar = 1-naphthyl (NpMe), and 2-biphenylyl (BiphMe)) have been used to prepare diphosphanes of the type ArPhPCH2PR2 (R = Ph, iPr or tBu; ArR). The ...

    Peptide-Platinum(IV) Conjugation Minimizes the Negative Impact of Current Anticancer Chemotherapy on Nonmalignant Cells 

    Linares, Jenniffer; Varese, Monica; Sallent, Anna; Méndez, Ana; Palomo-Ponce, Sergio; Iglesias, Mar; Batlle, Eduard; Pisonero, Jorge; Montagut, Clara; Giralt Lledó, Ernest; Lo Re, Daniele; Calon, Alexandre (2024-12-05)

    The relative success of platinum (Pt)-based chemotherapycomes at the cost of severe adverse side effects and is associated with a highrisk of pro-oncogenic activation in the tumor microenvironment. Here, wereport the ...

    Cyclometallated Imides as Templates for the H-Bond Directed Iridium-Catalyzed Asymmetric Hydrogenation of N-Methyl, N-Alkyl and N-Aryl Imines.  

    Wen, Y.; Fernández-Sabaté, M.; Lledós, Agustí (Lledós i Falcó); Sciortino, Giuseppe; Eills, James; Marco Rius, Irene; Riera i Escalé, Antoni; Verdaguer i Espaulella, Xavier (2024-10-09)

    A combined computational and experimental approach allowed us to develop overall the most selective catalyst for the direct hydrogenation of N-methyl, N-alkyl and N-aryl imines described to date. Iridium catalysts with a ...

    Behaviour of Pt/TiO2 catalysts with different morphological and structural characteristics in the photocatalytic conversion of ethanol aqueous solutions 

    Cordoba Sola, Alberto; Ramírez de la Piscina, Pilar; Homs Martí, Narcís (2024-02-06)

    Pt/TiO2 catalysts with a similar Pt dispersion and different morphological and structural characteristics were prepared, characterized and used in the photocatalytic transformation of aqueous ethanol solutions at room ...

    Behaviour of Pt/TiO2 catalysts with different morphological and structural characteristics in the photocatalytic conversion of ethanol aqueous solutions 

    Cordoba Sola, Alberto; Ramírez de la Piscina, Pilar; Homs Martí, Narcís (2024-02-06)

    Pt/TiO2 catalysts with a similar Pt dispersion and different morphological and structural characteristics were prepared, characterized and used in the photocatalytic transformation of aqueous ethanol solutions at room ...

    Behaviour of Pt/TiO2 catalysts with different morphological and structural characteristics in the photocatalytic conversion of ethanol aqueous solutions 

    Cordoba Sola, Alberto; Ramírez de la Piscina, Pilar; Homs Martí, Narcís (2024-02-06)

    Pt/TiO2 catalysts with a similar Pt dispersion and different morphological and structural characteristics were prepared, characterized and used in the photocatalytic transformation of aqueous ethanol solutions at room ...

    Towards a theory of mechanochemistry. From the very beginnings 

    Quapp, Wolfgang; Bofill i Villà, Josep M.; Ribas Ariño, Jordi (2020-03-18)

    A core idea in the context of mechanochemistry is that applying an external tensile force along a reaction coordinate should enhance the chemical reaction of interest. Here, we analyze perturbed generic molecular structures: ...

    A bis-vanadyl coordination complex as a 2-qubit quantum gate 

    Borilović, Ivana; Alonso Gascón, Pablo Javier; Roubeau, Olivier; Aromí Bedmar, Guillem (2022-05-03)

    A new bis-hydroxyphenylpyrazolyl ligand, H4L, allows isolating and structurally characterizing vanadyl and titanyl dinuclear complexes (Bu4N)2[(MO)2(HL)2] (M = V, Ti). The weak dipolar coupling and relatively short quantum ...

    Commented chronology of crystallography and structural chemistry 

    Cuevas Diarte, Miguel Ángel; Álvarez, Santiago (Álvarez Reverter) (2018-03-12)

    Podeu consultar la versió en català a: http://hdl.handle.net/2445/116604 i la versió en castellà a: http://hdl.handle.net/2445/120607