[EN] In this paper, substituted anilines are industrially obtained by direct hydrogenation of nitroaromatic compounds with molecular H-2 using metals as catalysts. Previous theoretical studies proposed that the mechanism ...
Rivero-Crespo, Miguel Ángel; Mon, Marta; Ferrando-Soria, Jesus; Lopes, Christian W.; Boronat Zaragoza, Mercedes; Leyva Perez, Antonio; Corma Canós, Avelino; Hernandez-Garrido, Juan carlos; López-Haro, Miguel; Calvino, Jose J.; Ramos-Fernandez, Enrique V.; Armentano, Donatella; Pardo, Emilio(John Wiley & Sons, 2018-12-21)
[EN] The synthesis and reactivity of single metal atoms in a low-valence state bound to just water, rather than to organic ligands or surfaces, is a major experimental challenge. Herein, we show a gram-scale wet synthesis ...
[EN] Zr-containing UiO-66 and MOF-808 are evaluated for converting levulinic acid (LA) into gamma-valerolactone (GVL) through various routes: (i) Step-wise esterification of LA to n-butyl levulinate (nBuL) and Meerwein-P ...
[EN] Understanding the interactions that govern the photophysical behaviour of Metal-organic frameworks (MOFs) and their composites is paramount for their photochemical and photonic applications. In this work, we report ...
[EN] By combining kinetics and theoretical calculations, we show here the benefits of going beyond the concept of static localized and defined active sites on solid catalysts, into a system that globally and dynamically ...
[EN] Ferrierites and their delaminated forms (ITQ-6), containing aluminum or titanium in the zeolite framework, were synthetized and modified with copper by an ion-exchange method. The obtained samples were characterized ...
Caballero-Mancebo, Elena; Moreno Rodríguez, José María; Corma Canós, Avelino; DÍAZ MORALES, URBANO MANUEL; Cohen, Boiko; Douhal, Abderrazzak(American Chemical Society, 2018-06-13)
[EN] In this work, we unravel how the two-dimensional Al-ITQ-4-heptylbenzoic acid (HB) metal-organic framework (MOF) changes the interactions of Nile red (NR) adsorbed on its surface. Time-resolved emission experiments ...
[EN] In this work, we have studied the catalytic activity of different silicates (MFI, MCM-41, and Beta) containing Lewis acid sites (including Sn, Ti, Zr, and Hf) for the tandem N-alkylation reaction of aniline with benzyl ...
[EN] Zr-containing MOF-808 is a very promising heterogeneous catalyst for the selective reduction of ketosteroids to the corresponding hydroxysteroids through a Meerwein-Ponndorf-Verley (MPV) reaction. Interestingly, the ...
[EN] The palladium-catalysed cross-coupling reaction between alkenes and aryl halides (the Mizoroki-Heck reaction) is a powerful methodology to construct new carbon-carbon bonds. However, the success of this reaction is ...
Rojas-Buzo, Sergio; Bohigues, Benjamin; Lopes, Christian W.; Meira, Débora M.; Boronat Zaragoza, Mercedes; Moliner Marin, Manuel; Corma Canós, Avelino(The Royal Society of Chemistry, 2021-08-07)
[EN] The Lewis/Bronsted catalytic properties of the Metal-Organic Framework (MOF) nodes can be tuned by simply controlling the solvent employed in the synthetic procedure. In this work, we demonstrate that Hf-MOF-808 can ...
[EN] The selective oxidation of propene to propene oxide (PO) is an industrially relevant and still challenging reaction that requires the design of highly specific catalysts able to improve simultaneously activity and ...
[EN] The light olefin product distribution of the methanol-to-olefin (MTO) reaction catalyzed by acid zeolites and zeotypes depends on the nature of the entrapped hydrocarbon pool species that act as co-catalysts. The ...
Cirujano, F. G.; Llabrés i Xamena, Francesc Xavier(American Chemical Society, 2020-06-18)
[EN] The Lewis/Bronsted acidity and catalytic properties of UiO-66-type metal-organic frameworks are studied in the context of tunable acid catalysts based on the presence of linker defects that create coordinatively ...
Vitillo, Jenny G.; Presti, Davide; Luz, Ignacio; Llabrés i Xamena, Francesc Xavier; Bordiga, Silvia(American Chemical Society, 2020-10-29)
[EN] Imines are important building blocks in organic chemistry. Titanium-based metal-organic framework (MOF) MIL-125-NH2(Ti) can photocatalyze, under visible light and at room temperature, the selective aerobic oxidation ...
[EN] Zr-containing UiO-66 materials are active and reusable heterogeneous catalysts for the selective ketalization of levulinic acid (LA) with 1,2-propanediol, affording selectivities of up to 91-93% at full LA conversion, ...