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Browsing by Subject "Metal-organic frameworks"

Now showing items 1-20 of 24

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 ...
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 (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 ...
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 ...
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 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 ...
MIL-101 promotes the efficient aerobic oxidative desulfurization of dibenzothiophenes

Gómez Paricio, Adrián; Santiago Portillo, Andrea; Navalón Oltra, Sergio; Concepción Heydorn, Patricia; Alvaro Rodríguez, Maria Mercedes; García Gómez, Hermenegildo (Royal Society of Chemistry, 2016)

[EN] MIL-101 promotes aerobic oxidation in n-dodecane of dibenzothiophene (DBT) and its methyl-substituted derivatives to their corresponding sulfones with complete selectivity, without observation of the sulfoxide. DBT ...
Nanometer-sized titania hosted inside MOF-5

Müller, Maike; Zhang, Xiaoning; Wang, Yuemin; Fischer, Roland A. (Royal Society of Chemistry, 2009)

[EN] Nanoscale titania particles were synthesized inside the porous coordination polymer [Zn(4)O(bdc)(3)] (bdc = 1,4-benzene-dicarboxylate, MOF-5) by adsorption of titanium isopropoxide from the gas-phase and subsequent ...
Nanoporosity, Inclusion Chemistry, and Spin Crossover in Orthogonally Interlocked Two-Dimensional Metal Organic Frameworks

Romero Morcillo, Tania; De la Pinta, Noelia; Callejo, Lorena M.; Piñeiro López, Lucía; Muñoz Roca, María del Carmen; Madariaga, Gotzon; Ferrer, Sacramento; Breczewski, Tomasz; Cortés, Roberto; Real, José A. (Wiley, 2015-08-17)

[Fe(tvp)(2)(NCS)(2)] (1) (tvp=trans-(4,4-vinylenedipyridine)) consists of two independent perpendicular stacks of mutually interpenetrated two-dimensional grids. This uncommon supramolecular conformation defines square-sectional ...
Pd@UiO-66-Type MOFs Prepared by Chemical Vapor Infiltration as Shape-Selective Hydrogenation Catalysts

Luz Mínguez, Ignacio; Roesler, Christoph; Epp, Konstantin; Llabrés i Xamena, Francesc Xavier; Fischer, Roland A. (Wiley, 2015-08)

[EN] Host-guest inclusion properties of UiO-66 and UiO-67 metal-organic frameworks have been studied using ferrocene (FeCp2) as probe molecule. According to variable-temperature solid-state H-1 and C-13 CP-MAS-NMR, two ...
Selective aerobic oxidation of activated alkanes with MOFs and their use for epoxidation of olefins with oxygen in a tandem reaction

Luz Mínguez, Ignacio; Leon Peris, Adela; Boronat Zaragoza, Mercedes; Llabrés i Xamena, Francesc Xavier; Corma Canós, Avelino (Royal Society of Chemistry, 2013)

[EN] 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 catalysts for aerobic oxidation of activated alkanes, such ...