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Browsing by Author "Rojas Buzo, Sergio"

Now showing items 1-16 of 16

Catalytic Transfer Hydrogenation of Biomass-Derived Carbonyls over Hafnium-Based Metal-Organic Frameworks

Rojas-Buzo, Sergio; García García, Pilar; Corma Canós, Avelino (John Wiley & Sons, 2018-01-23)

[EN] A series of highly crystalline, porous, hafnium-based metal-organic frameworks (Hf-MOFs) have been shown to catalyze the transfer hydrogenation reaction of levulinic ester to produce -valerolactone by using isopropanol ...
Cobalt nanoclusters coated with N-doped carbon for chemoselective nitroarene hydrogenation and tandem reactions in water

Gutiérrez-Tarriño, Silvia; Rojas-Buzo, Sergio; Lopes, Christian W.; Agostini, Giovanni; Calvino, José J.; Corma Canós, Avelino; Oña-Burgos, Pascual (The Royal Society of Chemistry, 2021-06-21)

[EN] The development of active and selective non-noble metal-based catalysts for the chemoselective reduction of nitro compounds in aquo media under mild conditions is an attractive research area. Herein, the synthesis of ...
Coordinatively Unsaturated Hf-MOF-808 Prepared via Hydrothermal Synthesis as a Bifunctional Catalyst for the Tandem N-Alkylation of Amines with Benzyl Alcohol

Bohigues, Benjamin; Rojas-Buzo, Sergio; Moliner Marin, Manuel; Corma Canós, Avelino (American Chemical Society, 2021-11-29)

[EN] The modulated hydrothermal (MHT) synthesis of an active and selective Hf-MOF-808 material for the N-alkylation reaction of aniline with benzyl alcohol under base-free mild reaction conditions is reported. Through ...
Hf-based metal-organic frameworks as acid-base catalysts for the transformation of biomass-derived furanic compounds into chemicals

Rojas-Buzo, Sergio; García-García, Pilar; Corma Canós, Avelino (The Royal Society of Chemistry, 2018)

[EN] Hf-based metal-organic frameworks (MOFs) are reported here as heterogeneous catalysts for the highly selective and efficient cross-aldol condensation of biomass-derived furanic carbonyls with acetone under mild reaction ...
In-Situ-Generated Active Hf-hydride in Zeolites for the Tandem N-Alkylation of Amines with Benzyl Alcohol

Rojas-Buzo, Sergio; Concepción Heydorn, Patricia; Corma Canós, Avelino; Moliner Marin, Manuel; Boronat Zaragoza, Mercedes (American Chemical Society, 2021-07-02)

[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 ...
Materiales de tipo metal-orgánico basados en metales tetravalentes y su aplicación en catálisis heterogénea

Bohigues Vallet, Benjamín (Universitat Politècnica de València, 2021-11-09)

[ES] La química verde o química sostenible es una corriente y una herramienta conceptual que se sustenta sobre 12 principios básicos y se basa en el diseño y desarrollo de procesos químicos que garanticen la protección y ...
Metalloenzyme-Inspired Ce-MOF Catalyst for Oxidative Halogenation Reactions

Rojas-Buzo, Sergio; Concepción Heydorn, Patricia; Olloqui-Sariego, José Luis; Moliner Marin, Manuel; Corma Canós, Avelino (American Chemical Society, 2021-07-07)

[EN] The structure of UiO-66(Ce) is formed by CeO2-x defective nanoclusters connected by terephthalate ligands. The initial presence of accessible Ce3+ sites in the as-synthesized UiO-66(Ce) has been determined by X-ray ...
Remarkable Acceleration of Benzimidazole Synthesis and Cyanosilylation Reactions in a Supramolecular Solid Catalyst

Rojas-Buzo, Sergio; García-García, Pilar; Corma Canós, Avelino (John Wiley & Sons, 2017)

[EN] A solid metal organic catalyst with hydrophobic pockets and Lewis acid centers strongly accelerates the reaction rate for organic reactions. This is exemplified for the cyanosilylation of ketones and for the synthesis ...
Síntesis de materiales porosos metal-orgánicos y su aplicación en catálisis heterogénea

Rojas Buzo, Sergio (Universitat Politècnica de València, 2019-11-04)

[ES] En este trabajo de tesis doctoral se ha llevado a cabo la síntesis de diferentes materiales de tipo metal-orgánico (MOFs) para su aplicación en procesos catalíticos heterogéneos en la obtención de productos químicos ...
Structural modulation and direct measurement of subnanometric bimetallic PtSn clusters confined in zeolites

Liu, Lichen; Lopez-Haro, Miguel; Lopes, Christian W.; Rojas-Buzo, Sergio; Concepción Heydorn, Patricia; Manzorro, Ramon; Simonelli, Laura; Sattler, Aaron; Serna, Pedro; Calvino, Jose J.; Corma Canós, Avelino (Nature Publishing Group, 2020-08)

[EN] Modulating the structures of subnanometric metal clusters at the atomic level is a great synthetic and characterization challenge in catalysis. Here, we show how the catalytic properties of subnanometric platinum ...
Sustainable Synthesis of Silicon Precursors Coupled with Hydrogen Delivery Based on Circular Economy via Molecular Cobalt-Based Catalysts

Gutiérrez-Tarriño, Silvia; Rojas-Buzo, Sergio; Ortuño, Manuel A.; Oña-Burgos, Pascual (American Chemical Society, 2022-12-19)

[EN] The development of a circular economy is a key target to reduce our dependence on fossil fuels and create more sustainable processes. Concerning hydrogen as an energy vector, the use of liquid organic hydrogen carriers ...
Synergic Effect of Isolated Ce3+ and Ptd+ Species in UiO-66(Ce) for Heterogeneous Catalysis

Rojas-Buzo, Sergio; Bohigues-Vallet, Benjamín; Salusso, Davide; Corma Canós, Avelino; Moliner Marin, Manuel; Bordiga, Silvia (American Chemical Society, 2023-06-26)

[EN] In this work, wehave synthesized through an efficient electrostaticdeposition a Pt single-atom catalyst (SAC) supported on a Ce-MOF.The basic solution employed in the impregnation process favors thedeprotonation of ...
Tailoring Lewis/Bronsted acid properties of MOF nodes via hydrothermal and solvothermal synthesis: simple approach with exceptional catalytic implications

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 ...
Unraveling the Reaction Mechanism and Active Sites of Metal-Organic Frameworks for Glucose Transformations in Water: Experimental and Theoretical Studies

Rojas-Buzo, Sergio; Corma Canós, Avelino; Boronat Zaragoza, Mercedes; Moliner Marin, Manuel (American Chemical Society, 2020-11-02)

[EN] The catalytic performance of two different MOFs, UiO-66 and MOF-808, containing Lewis acid active sites has been evaluated for the transformation of glucose in water and compared with that of analogous Lewis acid ...
Unveiling the Role and Stabilization Mechanism of Cu+ into Defective Ce-MOF Clusters during CO Oxidation

Rojas-Buzo, Sergio; Salusso, Davide; Le, Thanh-Hiep Thi; Ortuño, Manuel A.; Lomachenko, Kirill A.; Bordiga, Silvia (American Chemical Society, 2024-04-03)

[EN] Copper single-site catalysts supported on Zr-based metal-organic frameworks (MOFs) are well-known systems in which the nature of the active sites has been deeply investigated. Conversely, the redox chemistry of the ...
Zr-MOF-808@MCM-41 catalyzed phosgene-free synthesis of polyurethane precursors

Rojas-Buzo, Sergio; García-García, Pilar; Corma Canós, Avelino (The Royal Society of Chemistry, 2019-01-07)

[EN] In this work, a catalytic method is presented for the synthesis of aromatic carbamates from aromatic amines using dimethyl carbonate instead of phosgene as a green and safe reaction process. Microcrystalline Zr-MOF-808 ...