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    1,2-Arylsulfonylation of Vinyl Ethers and Esters Enabled by Dual Ni Catalysis 

    Pugnal, Lucas V. B. L.; Vega, Kimberly B.; Pissinati, Emanuele F.; Correia, José Tiago M.; Zukerman-Schpector, Julio; Martin, Ruben; Paixão, Márcio W. (2023-05-25)

    A dual photocatalytic sulfonylation-arylation of electron-rich alkenes is described. By combining sulfinate salts, (hetero)-aryl-bromides and 2,3-dihydrofuran under Ru and Ni dual catalysis, over 35 examples of aryl-sulfonylated ...

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    3D-Printed Organic Conjugated Trimer for Visible-Light-Driven Photocatalytic Applications 

    Yuan, Xiaojiao; Sunyer-Pons, Neus; Terrado, Aleix; León, José Luis; Hadziioannou, Georges; Cloutet, Eric; Villa, Katherine (2023-02-20)

    Small molecule organic semiconductors (SMOSs) have emerged as a new class of photocatalysts that exhibit visible light absorption, tunable bandgap, good dispersion, and solubility. However, the recovery and reusability of ...

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    A computational search of the ideal metal fragment for monohapto coordination of dihydrogen 

    Morán-González, Lucía; Maseras, Feliu (2023-09-21)

    Sigma complexes containing η2-H2 ligands, with both hydrogen atoms interacting with the metal center and with each other, are well known nowadays. The possibility of η1-H2 coordination, with only one hydrogen atom interacting ...

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    A General Light-Driven Organocatalytic Platform for the Activation of Inert Substrates 

    Wu, Shuo; Schiel, Florian; Melchiorre, Paolo (2023-06-15)

    Due to their strong covalent bonds and low reduction potentials, activating inert substrates is challenging. Recent advances in photoredox catalysis offered a number of solutions, each of which useful for activating specific ...

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    A new series of bioactive Mo(V)2O2S2-based thiosemicarbazone complexes: Solution and DFT studies, and antifungal and antioxidant activities 

    Cebotari, Diana; Buils, Jordi; Garbuz, Olga; Balan, Greta; Marrot, Jérôme; Guérineau, Vincent; Touboul, David; Haouas, Mohamed; Segado-Centelles, Mireia; Bo, Carles; Gulea, Aurelian; Floquet, Sébastien (2023-05-18)

    This paper deals with the synthesis, characterization, and studies of biological properties of a series of 5 coordination compounds based on binuclear core [MoV2O2S2]2+ with thiosemicarbazones ligands bearing different ...

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    A redox-active inorganic crown ether based on a polyoxometalate capsule 

    Tamai, Nanako; Ogiwara, Naoki; Hayashi, Eri; Kamata, Keigo; Misawa, Toshiyuki; Ito, Takeru; Kojima, Tatsuhiro; Segado, Mireia; Petrus, Enric; Bo, Carles; Uchida, Sayaka (2023-04-26)

    Cation-uptake has been long researched as an important topic in materials science. Herein we focus on a molecular crystal composed of a charge-neutral polyoxometalate (POM) capsule [MoVI72FeIII30O252(H2O)102(CH3CO2)15]3+ ...

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    A Robust Heterodimeric Bis-Rh(III)-Porphyrin Macrocycle for the Self-Assembly of a Kinetically Stable [2]-Rotaxane 

    Hisano, Naoyuki; Valderrey, Virginia; Aragay, Gemma; Ballester, Pablo (2023-05-26)

    We report the self-assembly of a robust di-nuclear tetralactam macrocyle based on two symmetric components: a Rh(III) bis-porphyrin and a bis-pyridyl ligand. We probe the binding properties of the tetralactam macrocycle ...

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    A survey of Earth-abundant metal oxides as oxygen evolution electrocatalysts in acidic media (pH < 1) 

    Yu, Jiahao; Giancola, Stefano; Khezri, Bahareh; Nieto-Castro, David; Redondo, Jesús; Schiller, Frederik; Barja, Sara; Spadaro, Maria Chiara; Arbiol, Jordi; Garcés-Pineda, Felipe A.; Galán-Mascarós, José Ramón (2023-08-02)

    Electrolytic hydrogen appears as one of the most promising options to store renewable energy. In this water splitting process, the sluggish kinetics of the 4-electron oxygen evolution reaction (OER) with its high overpotentials ...

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    A tetrahedron from homooxacalix[3]arene, the fifth Platonic polyhedron from calixarenes and uranyl 

    Wu, Jin-Cheng; Escudero-Adán, Eduardo C.; Martínez-Belmonte, Marta; de Mendoza, Javier (2023-04-21)

    A self-assembled tetrahedral cage results from two C3-symmetry building blocks, namely, homooxacalix[3]arene tricarboxylate and uranyl cation, as demonstrated by X-ray crystallography. In the cage, four metals coordinate ...

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    Achieving 17.7% Efficiency of Ternary Organic Solar Cells by Incorporating a High Lowest Unoccupied Molecular Orbital Level and Miscible Third Component 

    Torimtubun, Alfonsina Abat Amelenan; Méndez, Maria; Moustafa, Enas; Pallarès, Josep; Palomares, Emilio; Marsal, Lluis F. (2023-04-07)

    A ternary strategy has been demonstrated as being an effective method to improve the power conversion efficiency (PCE); however, general rules for materials selection are not fully comprehended. Herein, nonfullerene acceptor ...

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    Air-Stable Gold Nanoparticles Ligated by Secondary Phosphine Oxides as Catalyst for the Chemoselective Hydrogenation of Substituted Aldehydes: a Remarkable Ligand Effect 

    Cano, Israel; Huertos, Miguel A.; Chapman, Andrew M.; Buntkowsky, Gerd; Gutmann, Torsten; Groszewicz, Pedro B.; van Leeuwen, Piet W. N. M. (2015-06-02)

    Air-stable and homogeneous gold nanoparticles (AuNPs, 1a–5a) ligated by various secondary phosphine oxides (SPOs), [R1R2P(O)H] (R1 = Naph, R2 = tBu, L1; R1 = R2 = Ph, L2; R1 = Ph, R2 = Naph, L3; R1 = R2 = Et, L4; R1 = R2 ...

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    Air-Stable Gold Nanoparticles Ligated by Secondary Phosphine Oxides for the Chemoselective Hydrogenation of Aldehydes: Crucial Role of the Ligand 

    Cano, Israel; Chapman, Andrew M.; Urakawa, Atsushi; van Leeuwen, Piet W. N. M. (2014-01-20)

    The synthesis of air-stable and homogeneous gold nanoparticles (AuNPs) employing tert-butyl(naphthalen-1-yl)phosphine oxide as supporting ligand is described via NaBH4 reduction of a Au(I) precursor, [(tert-butyl(naphtha ...

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    An artificial leaf device built with earth-abundant materials for combined H2 production and storage as formate with efficiency >10% 

    Ampelli, Claudio; Giusi, Daniele; Micel, Matteo; Merdzhanova, Tsvetelina; Smirnov, Vladimir; Chime, Ugochi; Astakhov, Oleksandr; Martín, Antonio José; Veenstra, Florentine Louise Petronella; Garcés Pineda, Felipe Andrés; González-Cobos, Jesús; García-Tecedor, Miguel; Giménez, Sixto; Jaegermann, Wolfram; Centi, Gabriele; Pérez-Ramírez, Javier; Galán-Mascarós, José Ramón; Perathoner, Siglinda (2023-02-15)

    A major challenge for achieving energy transition and transforming the current energy model into distributed production is the development of efficient artificial leaf-type devices capable of directly converting carbon ...

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    An investigation of steric influence on the reactivity of Fe-V(O)(OH) tautomers in stereospecific C-H hydroxylation 

    Mitra, Mainak; Brinkmeier, Alexander; Li, Yong; Borrell, Margarida; Call, Arnau; Lloret Fillol, Julio; Richmond, Michael G.; Costas, Miquel; Nordlander, Ebbe (2023-01-05)

    Two new tetradentate N4 ligands (LN4), LN4 = Me2,Me2PyzTACN (1-(2-(3,5-dimethyl-1H-pyrazol-1-yl)ethyl)-4,7-dimethyl-1,4,7-triazacyclononane) and Me2,MeImTACN (1-((1-methyl-1H-imidazol-1-yl)methyl)-4,7-dimethyl-1,4,7-tria ...

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    Analysis of the role of the pH in the anchoring of alkylphosphonic acid on a TiO2 surface: A DFTB study 

    Veclani, Daniele; Melchior, Andrea; Llobet, Antoni; Armaroli, Nicola; Venturini, Alessandro (2023-02-25)

    The reactivity of a (110) rutile titanium dioxide surface functionalized with neutral, anionic and di-anionic forms of dodecyl-phosphonic acid was studied by Density Functional based Tight Binding theory to simulate different ...

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    Aromatic interactions with heterocycles in water 

    Tobajas-Curiel, Gloria; Sun, Qingqing; Sanders, Jeremy K. M.; Ballester, Pablo; Hunter, Christopher A. (2023-09-29)

    Conformationally well-defined supramolecular complexes that can be studied in different solvents provide a platform for separating and quantifying free energy contributions due to functional group interactions and desolvation. ...

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    Aryl-Extended and Super Aryl-Extended Calix[4]pyrroles: Design, Synthesis, and Applications 

    Escobar, Luis; Sun, Qingqing; Ballester, Pablo (2023-02-02)

    Proteins exhibit high-binding affinity and selectivity, as well as remarkable catalytic performance. Their binding pockets are hydrophobic but also contain polar and charged groups to contribute to the binding of polar ...

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    Automated MUltiscale simulation environment 

    Sabadell-Rendon, Albert; Kaźmierczak, Kamila; Morandi, Santiago; Euzenat, Florian; Curulla-Ferré, Daniel; López, Núria (2023-11-07)

    Multiscale techniques integrating detailed atomistic information on materials and reactions to predict the performance of heterogeneous catalytic full-scale reactors have been suggested but lack seamless implementation. ...

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    Bicyclic Guanidine Promoted Mechanistically Divergent Depolymerization and Recycling of a Biobased Polycarbonate 

    Lamparelli, David H.; Villar-Yanez, Alba; Dittrich, Lorenz; Rintjema, Jeroen; Bravo, Fernando; Bo, Carles; Kleij, Arjan W. (2023-11-07)

    We here report the organocatalytic and temperature-controlled depolymerization of biobased poly(limonene carbonate) providing access to its trans-configured cyclic carbonate as the major product. The base TBD (1,5,7-tria ...

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    Binding of Acetylated Lysine by Using a Water Soluble Aryl Extended Calix[4]pyrrole 

    Orlandini, Martina; Pedrini, Alessandro; Danilo, Marchetti; Li, Yifan; Aragay, Gemma; Dalcanale, Enrico; Ballester, Pablo; Pinalli, Roberta (2023-12-29)

    Post-translational modifications of lysine in histones, as methylation and acetylation, have well established functions in epigenetics and are emerging as important actors in broader biological regulation. Currently, the ...