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Browsing by Subject "Metal-organic frameworks"

Now showing items 1-20 of 33

Aerobic Oxidation of Benzylic Alcohols Catalyzed by Metal-Organic Frameworks Assisted by TEMPO

Amarajothi, Dhakshina Moorthy; Alvaro Rodríguez, Maria Mercedes; García Gómez, Hermenegildo (American Chemical Society, 2011)

[EN] Cu3 (BTC)2 (BTC: 1,3,5-benzenetricarboxylate) combined with TEMPO as cocatalyst is an e¿ective and reusable heterogeneous catalyst to e¿ect the aerobic oxidation of benzylic alcohols in acetonitrile to the corresponding ...
Amino modified metal-organic frameworks as pH-responsive nanoplatforms for safe delivery of camptothecin

Cabrera-García, Alejandro; Checa-Chavarria, Elisa; Rivero-Buceta, Eva María; MORENO MANZANO, VICTORIA; FERNANDEZ JOVER, EDUARDO; BOTELLA ASUNCION, PABLO (Elsevier, 2019-04-01)

[EN] MIL-100(Fe) and MIL-101(Fe) metal-organic frameworks (MOFs) are excellent vehicles for drug delivery systems (DDSs) due to their high biocompatibility and stability in physiological fluids, as well as their pore ...
Anchoring of Diphenylphosphinyl Groups to NH2-MIL-53 by Post-Synthetic Modification

Castellanos, Sonia; Sai Sankar Gupta, Karthick Babu; Pustovarenko, Alexey; Dikhtiarenko, Alla; Nasalevich, Maxim; Atienzar Corvillo, Pedro Enrique; García Gómez, Hermenegildo; Gascon, Jorge; Kapteijn, Freek (Wiley-VCH Verlag, 2015-10)

Incorporation of new functionalities into metal-organic frameworks (MOFs) by post-synthetic modification is a most attractive strategy for attaining the desired properties without risking destruction of the crystalline ...
Annulation of phenols with methylbutenol over MOFs: The role of catalyst structure and acid strength in producing 2,2-dimethylbenzopyran derivatives

Shamzhy, Mariya V.; Opanasenko, Maksym V.; García Gómez, Hermenegildo; Cejka, Jiri (Elsevier, 2015-01-15)

The catalytic behavior of metal-organic frameworks of different structures (Fe(BTC), MIL-100(Fe), MIL-100(Cr) and Cu-3(BTC)(2)) was investigated in annulation reaction between 2-methyl-3-buten-2-ol and phenols differing ...
Atmospheric-pressure, liquid-phase, selective aerobic oxidation of alkanes catalysed by metal-organic frameworks

Dhakshinamoorthy, Amarajothi; Alvaro Rodríguez, Maria Mercedes; García Gómez, Hermenegildo (Wiley-VCH Verlag, 2011-04-14)

[EN] Aerobic oxidation of cyclooctane to its corresponding ol/one mixture at atmospheric pressure and in the liquid phase is efficiently promoted by an Fe(BTC) (BTC=1,3,5-benzenetricarboxylate) metal-organic framework, ...
Au@MOF-5 and Au/MOx@MOF-5 (M = Zn, Ti; x = 1, 2): Preparation and Microstructural Characterisation

Müller, Maike; Stuart, Turner; Lebedev, Oleg, I.; Wang, Yuemin; Van Tendeloo, Gustaaf; Fischer, Roland A. (Wiley-VCH Verlag, 2011)

[EN] The Zn-carboxylate-based porous coordination polymer MOF-5 [Zn4O(bdc)(3)] and the metal oxide loaded materials ZnO@MOF-5 and TiO2@MOF-5 were loaded in a second step with the precursor [ClAuCO] to yield intermediate ...
Au@UiO-66: a base free oxidation catalyst

Leus, K; Concepción Heydorn, Patricia; Vandichel, M.; Meledina, M.; Grirrane, Abdessamad; Esquivel, D.; Turner, S.; Poelman, D.; Waroquier, M.; Van Speybroeck, V.; Van Tendeloo, G.; García Gómez, Hermenegildo; Van Der Voort, P. (Royal Society of Chemistry, 2015)

[EN] We present the in situ synthesis of Au nanoparticles within the Zr based Metal Organic Framework, UiO-66. The resulting Au@UiO-66 materials were characterized by means of N-2 sorption, XRPD, UV-Vis, XRF, XPS and TEM ...
Cascade reactions catalyzed by metal organic frameworks

Dhakshinamoorthy, Amarajothi; García Gómez, Hermenegildo (Wiley-VCH Verlag, 2014-09)

[EN] Cascade or tandem reactions where two or more individual reactions are carried out in one pot constitute a clear example of process intensification, targeting the maximization of spatial and temporal productivity with ...
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 ...
Cu-3(BTC)(2) as heterogeneous catalyst for the room temperature oxidative hydroxylation of arylboronic acids

Dhakshinamoorthy, Amarajothi; Asiri, Abdullah M.; García Gómez, Hermenegildo (Elsevier, 2016-06-02)

[EN] A well known copper based-metal organic framework (MOF), namely Cu-3(BTC)(2), is a suitable heterogeneous catalyst to promote the oxidative room-temperature hydroxylation of arylboronic acids to the corresponding ...
Cyanido-Bridged FeII-MI Dimetallic Hofmann-Like Spin-Crossover Coordination Polymers Based on 2,6-Naphthyridine

Piñeiro-López, L.; Valverde-Muñoz, F. J.; Seredyuk, M.; Bartual-Murgui, C.; Muñoz Roca, María Del Carmen; Real, J. A. (John Wiley & Sons, 2018-01-31)

[EN] Two new 3D spin-crossover (SCO) Hofmann-type coordination polymers {Fe(2,6-naphthy)[Ag(CN)2][Ag2(CN)3]} (1; 2,6-naphthy = 2,6-naphthyridine) and {Fe(2,6-naphthy)- [Au(CN)2]2}·0.5PhNO2 (2) were synthesized and ...
Determination of benzomercaptans in environmental complex samples by combining zeolitic imidazolate framework-8-based solid-phase extraction and high-performance liquid chromatography with UV detection

Martinez-Perez-Cejuela, Hector; Mompo-Rosello, Oscar; Crespi-Sanchez, Neus; Palomino Cabello, Carlos; Catalá-Icardo, Mónica; Simo-Alfonso, Ernesto F.; Herrero-Martinez, Jose Manuel (Elsevier, 2020-11-08)

[EN] In this work, the synthesis of zeolitic imidazolate framework-8 (ZIF-8) crystals and their subsequent application as effective sorbents for extraction and preconcentration of several benzomercaptans from environmental ...
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] ...
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 ...
Encapsulation of Metal Nanoparticles within Metal¿Organic Frameworks for the Reduction of Nitro Compounds

Navalón Oltra, Sergio; Alvaro Rodríguez, Maria Mercedes; Dhakshinamoorthy, Amarajothi; García Gómez, Hermenegildo (MDPI AG, 2019-09-01)

[EN] Nitro group reduction is a reaction of a considerable importance for the preparation of bulk chemicals and in organic synthesis. There are reports in the literature showing that incorporation of metal nanoparticles ...
Evidence of Photoinduced Charge Separation in the Metal-Organic Framework MIL-125(Ti)-NH2

De Miguel de la Torre, Maykel; Ragon, Florence; Devic, Thomas; Serre, Christian; Horcajada Campos, Patricia; García Gómez, Hermenegildo (Wiley-VCH Verlag, 2012-11-12)

[EN] Herein, we describe the photochemical behavior of the porous metal¿organic framework MIL-125(Ti)-NH2, built up from cyclic Ti8O8(OH)4 oxoclusters and 2-aminoterephthalate ligands. While MIL-125(Ti)-NH2 does not emit ...
Generating and optimizing the catalytic activity in UiO-66 for aerobic oxidation of alkenes by post-synthetic exchange Ti atoms combined with ligand substitution

Santiago-Portillo, Andrea; Navalón Oltra, Sergio; Alvaro Rodríguez, Maria Mercedes; García Gómez, Hermenegildo (Elsevier, 2018-09)

[EN] The catalytic activity for the aerobic epoxidation of cyclooctene of UiO-66 has been introduced by post synthetic ion exchange of Zr4+ by Ti4+ at the nodes and the performance optimized by nitro substitution in the ...
Influence of co-catalysts on the photocatalytic activity of MIL-125(Ti)-NH2 in the overall water splitting

Remiro-Buenamañana, Sonia; Cabrero-Antonino, Maria; Martínez-Guanter, Marcos; Alvaro Rodríguez, Maria Mercedes; Navalón Oltra, Sergio; García Gómez, Hermenegildo (Elsevier, 2019-10-05)

[EN] Titanium containing aminoterephthalate metal organic framework promotes the photocatalytic overall water splitting into H-2 and O-2 at a rate that depends on the presence of Pt, RuOx and CoOx co-catalyst. The best ...
Influence of Terephthalic Acid Substituents on the Catalytic Activity of MIL-101(Cr) in Three Lewis Acid Catalyzed Reactions

Santiago-Portillo, Andrea; Navalón Oltra, Sergio; Concepción Heydorn, Patricia; Alvaro Rodríguez, Maria Mercedes; García Gómez, Hermenegildo (John Wiley & Sons, 2017)

[EN] Six isostructural MIL¿101(Cr)¿X (X: H, NO2, SO3H, Cl, CH3, and NH2) materials have been prepared directly by the reaction of CrIII salts and the corresponding terephthalic acid or by postsynthetic treatments of preformed ...
Long-Term Photostability in Terephthalate Metal-Organic Frameworks

Mateo-Mateo, Diego; Santiago-Portillo, Andrea; Albero-Sancho, Josep; Navalón Oltra, Sergio; Alvaro Rodríguez, Maria Mercedes; García Gómez, Hermenegildo (John Wiley & Sons, 2019-12-02)

[EN] Prolonged (weeks) UV/Vis irradiation under Ar of UiO-66(Zr), UiO66 Zr-NO2, MIL101 Fe, MIL125 Ti-NH2, MIL101 Cr and MIL101 Cr(Pt) shows that these MOFs undergo photodecarboxylation of benzenedicarboxylate (BDC) linker ...