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Listar por autor "Llabrés i Xamena, Francesc Xavier"

Mostrando ítems 1-20 de 49

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AgBTC MOF-Mediated Approach to Synthesize Silver Nanoparticles Decorated on Reduced Graphene Oxide (rGO@Ag) for Energy Storage Applications

Barjola, Arturo; Rapeyko, Anastasia; Sahuquillo, Oscar; Llabrés i Xamena, Francesc Xavier; Giménez Torres, Enrique (American Chemical Society, 2023-03-22)

[EN] Nanowires of silver-based metal-organic framework (MOF) (AgBTC, BTC = 1,3,5-benzenetricarboxylate) were grown onto graphene oxide layers to generate GO-AgBTC nano composites. Thermal treatment of these composites in ...
An unexpected bifunctional acid base catalysis in IRMOF-3 for Knoevenagel condensation reactions

Llabrés i Xamena, Francesc Xavier; García Cirujano, Francisco; Corma Canós, Avelino (ELSEVIER SCIENCE BV, 2012)

[EN] In this work, we have reexamined the catalytic properties of zinc aminoterephthalate IRMOF-3 for the Knoevenagel condensation of benzaldehyde and ethyl cyanoacetate. The active sites for this reaction were previously ...
Anion Exchange and Catalytic Functionalization of the Zirconium-Based Metal-Organic Framework DUT-67

Drache, Franziska; García Cirujano, Francisco; Nguyen, Khoa D.; Bon, Volodymyr; Senkovska, Irena; Llabrés i Xamena, Francesc Xavier; Kaskel, Stefan (American Chemical Society, 2018)

[EN] A postsynthetic treatment with diluted solutions of the inorganic HCl or H2SO4 acids was applied to functionalize the eight connected Zr-based metal-organic framework DUT-67 (DUT = Dresden University of Technology). ...
Base free transfer hydrogenation using a covalent triazine framework based catalyst

Bavykina, Anastasiya; Mautschke, Hans-Hilmar; Makkee, Michiel; Kapteijn, Frederik; Gascon, Jorge; Llabrés i Xamena, Francesc Xavier (The Royal Society of Chemistry, 2017)

[EN] Isomerisation of allylic alcohols to saturated ketones can be efficiently catalysed by a heterogeneous molecular system resulting from (IrCp)-Cp-III* anchoring to a covalent triazine framework. The obtained catalysts ...
Bridging homogeneous and heterogeneous catalysis with MOFs: Cu-MOFs as solid catalysts for three-component coupling and cyclization reactions for the synthesis of propargylamines, indoles and imidazopyridines

Luz Mínguez, Ignacio; Llabrés i Xamena, Francesc Xavier; Corma Canós, Avelino (ACADEMIC PRESS INC ELSEVIER SCIENCE, 2012)

[EN] Copper-containing MOFs are found to be active, stable and reusable solid catalysts for three-component couplings of amines, aldehydes and alkynes to form the corresponding propargylamines. Two tandem reactions, including ...
Catalizadores heterogéneos basados en MOFs para la reacción de acoplamiento de Heck

Luz Mínguez, Ignacio (Universitat Politècnica de València, 2011-12-20)

Los metal-organic frameworks (MOFs) son una nueva familia de sólidos porosos que cuentan con una estructura cristalina bien definida. Estos materiales demuestran tener las características apropiadas para ser empleados como ...
Catalytic properties of pristine and defect-engineered Zr-MOF-808 metal organic frameworks

Mautschke, Hans-Hilmar; Drache, F.; Senkovska, I.; Kaskel, S.; Llabrés i Xamena, Francesc Xavier (The Royal Society of Chemistry, 2018)

[EN] Various defect-engineered Zr-trimesate MOF-808 compounds (DE-MOF-808) have been prepared by mixing the tricarboxylate ligands with dicarboxylate ligands; viz. isophthalate, pyridine-3,5-dicarboxylate, 5-hydroxy-isophthalate, ...
Cobalt(II) Bipyrazolate Metal-Organic Frameworks as Heterogeneous Catalysts in Cumene Aerobic Oxidation: A Tag-Dependent Selectivity

Nowacka, Anna Elzbieta; Vismara, R.; Mercuri, G.; Moroni, M.; Palomino Roca, Miguel; Domasevitch, K.; di Nicola, C.; Pettinari, C.; Giambastiani, G.; Llabrés i Xamena, Francesc Xavier; Galli, S.; Rossin, A. (American Chemical Society, 2020-06-15)

[EN] Three metal-organic frameworks with the general formula Co(BPZX) (BPZX(2-) = 3-X-4,4'-bipyrazolate, X = H, NH2, NO2) constructed with ligands having different functional groups on the same skeleton have been employed ...
Conversion of Levulinic acid into chemicals: Synthesis of biomass derived levulinate esters over Zr-containing MOFs

García Cirujano, Francisco; Corma Canós, Avelino; Llabrés i Xamena, Francesc Xavier (Elsevier, 2015-03-03)

Zr-containing metal-organic frameworks (MOFs) formed by either terephthalate (UiO-66) or 2-aminoterephthalate ligancls (UiO-66-NH2) are active and stable catalysts for the acid catalyzed esterification of levulinic acid ...
Conversion of levulinic acid to gamma-valerolactone over Zr-containing metal-organic frameworks: Evidencing the role of Lewis and Bronsted acid sites

Guarinos, J.M.; Cirujano, F.G.; Rapeyko, Anastasia; Llabrés i Xamena, Francesc Xavier (Elsevier, 2021-10)

[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 ...
Cu-MOFs as active, selective and reusable catalysts for oxidative C O bond coupling reactions by direct C H activation of formamides, aldehydes and ethers

Luz Mínguez, Ignacio; Corma Canós, Avelino; Llabrés i Xamena, Francesc Xavier (Royal Society of Chemistry, 2014)

MOFs with Cu2+ centers linked to four nitrogen atoms from azaheterocyclic compounds, i.e., pyrimidine [Cu(2-pymo)2] and imidazole [Cu(im)2], are active, stable and reusable catalysts for oxidative C O coupling reactions ...
Defect-Engineered Ruthenium MOFs as Versatile Heterogeneous Hydrogenation Catalysts

Epp, Konstantin; Luz, Ignacio; Heinz, Werner R.; Rapeyko, Anastasia; Llabrés i Xamena, Francesc Xavier; Fischer, Roland A. (John Wiley & Sons, 2020-03-19)

[EN] Ruthenium MOF [Ru-3(BTC)(2)Y-y] . G(g) (BTC=benzene-1,3,5-tricarboxylate; Y=counter ions=Cl-, OH-, OAc-; G=guest molecules=HOAc, H2O) is modified via a mixed-linker approach, using mixtures of BTC and pyridine-3,5-d ...
Desarrollo de materiales Metal-Orgánicos (MOFs) como catalizadores heterogéneos para reacciones en una o varias etapas

García Cirujano, Francisco Cristóbal (Universitat Politècnica de València, 2016-05-16)

[EN] This thesis summarizes our efforts to contribute to the development of novel heterogeneous catalysts based on Metal-Organic Framework compounds (MOFs) with a remarkable high thermal and chemical resistance; namely ...
Desarrollo de materiales porosos basados en estructuras metal-orgánicas para aplicaciones electroquímicas

Palací López, Daniel Gonzalo (Universitat Politècnica de València, 2013-04-30)

Consulta en la Biblioteca ETSI Industriales (9226)
Diastereoselective Synthesis of Pyranoquinolines on Zirconium-Containing UiO-66 Metal-Organic Frameworks

López-Rechac, Víctor; García Cirujano, Francisco; Corma Canós, Avelino; Llabrés i Xamena, Francesc Xavier (John Wiley & Sons, 2016)

[EN] The Zr terephthalate MOFs UiO-66 and UiO-66-NH2 have been found to be highly diastereoselective catalysts for the synthesis of a pyrano[3,2-c]quinoline through an inverse electron -demand aza-Diels-Alder [4+2] ...
Divalent Metal Organic Frameworks as Heterogeneous Oxidation Catalysts

Nowacka, Anna Elzbieta (Universitat Politècnica de València, 2019-10-28)

[ES] Se ha desarrollado un método de síntesis "verde" de compuestos metal orgánicos en medio acuoso, a temperatura y presión ambientes, fácilmente escalable y con tiempos de cristalización muy cortos (10 min). El método ...
Encapsulation of bimetallic metal nanoparticles into robust Zr-based metal-organic frameworks: Evaluation of the catalytic potential for size-selective hydrogenation

Rösler, Christoph; Dissegna, Stefano; López-Rechac, Víctor; Kauer, Max; Guo, Penghu; Turner, Stuart; Ollegot, Kevin; Kobayashi, Hirokazu; Yamamoto, Tomokazu; Peeters, Daniel; Wang, Yuemin; Matsumura, Syo; Van Tendeloo, Gustaaf; Kitagawa, Hiroshi; Muhler, Martin; Llabrés i Xamena, Francesc Xavier; Fischer, Roland A. (John Wiley & Sons, 2017)

[EN] The realization of metal nanoparticles (NPs) with bimetallic character and distinct composition for specific catalytic applications is an intensively studied field. Due to the synergy between metals, most bimetallic ...
Facile "Green" Aqueous Synthesis of Mono- and Bimetallic Trimesate Metal-Organic Frameworks

Nowacka, Anna Elzbieta; Briantais, Pol; Prestipino, Carmelo; Llabrés i Xamena, Francesc Xavier (American Chemical Society, 2019-09)

[EN] Various isoreticular monometallic (Co2+, Ni2+, Cu2+, and Zn2+) and bimetallic (Co-Ni, Co-Zn, Mn-Ni) trimesate MOFs have been prepared by a fast (10 min) and green synthesis method from aqueous solutions, at room ...
IRMOF-3, ¿un catalizador bifuncional inintencionado?

García Cirujano, Francisco (Universitat Politècnica de València, 2012-05-17)

Debido a la elevada actividad catalítica del material metal-orgánico estructurado IRMOF-3 para la condensación de Knoevenagel y al interés que presentan los materiales con grupos funcionales con actividad catalítica, el ...
Materiales metal orgánicos estructurados como catalizadores heterogéneos

Luz Mínguez, Ignacio (Universitat Politècnica de València, 2015-03-30)

Esta tesis doctoral resume nuestros esfuerzos por contribuir al desarrollo de nuevos catalizadores heterogéneos basados en compuestos Metal-Orgánico estructurados (MOFs). Para ello, y con el fin de cubrir un amplio espectro ...