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Browsing by Author "Dhakshinamoorthy, Amarajothi"

Now showing items 1-20 of 26

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, ...
Carbocatalysis by graphene-based materials

Navalón Oltra, Sergio; Dhakshinamoorthy, Amarajothi; Alvaro Rodríguez, Maria Mercedes; García Gómez, Hermenegildo (American Chemical Society, 2014-06-25)

[EN] Carbon materials derived from biomass are considered paradigmatic examples of sustainability.6,7 Other factors besides sustainability that may also favor carbon-based versus inorganic materials as catalysts are economic ...
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 ...
Catalysis by metal nanoparticles embedded on metal-organic frameworks

Dhakshinamoorthy, Amarajothi; García Gómez, Hermenegildo (Royal Society of Chemistry, 2012)

[EN] The present review describes the use of metal-organic frameworks (MOFs) as porous matrices to embed metal nanoparticles (MNPs) and occasionally metal oxide clusters, which are subsequently used as heterogeneous ...
Catalysis by metal organic frameworks in water

Dhakshinamoorthy, Amarajothi; Asiri, Abdullah M.; García Gómez, Hermenegildo (Royal Society of Chemistry, 2014)

[EN] Metal–organic frameworks (MOFs) having a large surface area and porosity as well as a high density of transition metals are increasingly used as heterogeneous catalysts for organic reactions. However, one of the main ...
Catalytic activity of unsupported gold nanoparticles

Mikami, Yusuke; Dhakshinamoorthy, Amarajothi; Alvaro Rodríguez, Maria Mercedes; García Gómez, Hermenegildo (Royal Society of Chemistry, 2013)

[EN] This article reviews some of the compelling evidence showing that colloidal gold nanoparticles without any solid support exhibit intrinsic catalytic activity for some of the typical gold-catalyzed reactions including ...
Chemical instability of Cu(3)(BTC)(2) by reaction with thiols

Dhakshinamoorthy, Amarajothi; Alvaro Rodríguez, Maria Mercedes; Concepción Heydorn, Patricia; García Gómez, Hermenegildo (Elsevier, 2011-06-10)

In contrast to Fe(BTC) (BTC: 1,3,5-benzenetricarboxylate), the crystal structure of Cu3(BTC)2, a commercial metal organic framework widely used as solid catalyst, collapses when contacted with thiols under mild reaction ...
Comparison of the catalytic activity of MOFs and zeolites in Knoevenagel condensation

Opanasenko, Maksym; Dhakshinamoorthy, Amarajothi; Shamzhy, Mariya; Nachtigall, Petr; Horacek, Michal; García Gómez, Hermenegildo; Cejka, Jiri (Royal Society of Chemistry, 2013)

[EN] The catalytic behavior of metal-organic-frameworks (MOFs) CuBTC and FeBTC was investigated in Knoevenagel condensation of cyclohexane carbaldehyde and benzaldehyde with active methylene compounds and compared with ...
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 ...
Deactivation of Cu-3(BTC)(2) in the Synthesis of 2-Phenylquinoxaline

Dhakshinamoorthy, Amarajothi; Alvaro Rodríguez, Maria Mercedes; García Gómez, Hermenegildo (Springer Verlag, 2015-08)

[EN] Cu-3(BTC)(2) deactivates by deterioration of its crystal structure during the use of this metal organic framework as catalyst in the synthesis of 2-phenylquinoxaline from phenacylbromide and o-phenylenediamine at room ...
Deactivation Pathways of the Catalytic Activity of Metal-Organic Frameworks in Condensation Reactions

Opanasenko, Maksym; Dhakshinamoorthy, Amarajothi; Cejka, Jiri; García Gómez, Hermenegildo (Wiley-VCH Verlag, 2013-06)

[EN] In the present study we have selected three different condensation reactions as model reactions, namely the hydroxylalkylation of anisole by paraformaldehyde to bis(methoxyphenyl)-methane, the Pechmann condensation ...
Delineating similarities and dissimilarities in the use of metal organic frameworks and zeolites as heterogeneous catalysts for organic reactions

Dhakshinamoorthy, Amarajothi; Alvaro Rodríguez, Maria Mercedes; Corma Canós, Avelino; García Gómez, Hermenegildo (The Royal Society of Chemistry, 2011)

[EN] This perspective article is aimed at providing a comparison of similarities and dissimilarities between the catalytic properties of zeolites and metal organic frameworks (MOFs). In the first part of the paper, we ...
Enhancement of CO2 Adsorption and Catalytic Properties by Fe-Doping of [Ga-2(OH)(2)(L)] (H4L = Biphenyl-3,3 ',5,5 '-tetracarboxylic Acid), MFM-300(Ga-2)

Krap, Cristina P.; Newby, Ruth; Dhakshinamoorthy, Amarajothi; García Gómez, Hermenegildo; Cebula, Izabela; Easun, Timothy L.; Savage, Mathew; Eyley, Jennifer E.; Gao, Shan; Blake, Alexander J.; Lewis, William; Beton, Peter H.; Warren, Mark R.; Allan, David R.; Frogley, Mark D.; Tang, Chiu C.; Cinque, Gianfelice; Yang, Sihai; Schroeder, Martin (American Chemical Society, 2016-02-01)

Metal-organic frameworks (MOFs) are usually synthesized using a single type of metal ion, and MOFs containing mixtures of different metal ions are of great interest and represent a methodology to enhance and tune materials ...
Formation of C-C and C-Heteroatom Bonds by C-H Activation by Metal Organic Frameworks as Catalysts or Supports

DHAKSHINAMOORTHY, AMARAJOTHI; Asiri, Abdullah; García Gómez, Hermenegildo (American Chemical Society, 2019-02-01)

[EN] Cross-coupling reactions catalyzed by transition metals are currently among the most widely used transformations in organic synthesis. In most of these reactions, the coupling involves the reaction of two complementary ...
Heterogeneous Fenton Catalysts Based on Activated Carbon and Related Materials

Navalón Oltra, Sergio; Dhakshinamoorthy, Amarajothi; Alvaro Rodríguez, Maria Mercedes; García Gómez, Hermenegildo (Wiley-Blackwell, 2011)

[EN] The Fenton reaction is widely used for remediation of waste water and for the degradation of organic pollutants in water. Currently, there is considerable interest to convert the classical Fenton reaction, which ...
Metal nanoparticles supported on two-dimensional graphenes as heterogeneous catalysts

Navalón Oltra, Sergio; Dhakshinamoorthy, Amarajothi; Alvaro Rodríguez, Maria Mercedes; García Gómez, Hermenegildo (Elsevier, 2016)

[EN] The catalytic activity of metal nanoparticles (MNPs) is highly dependent on the nature of the support. In addition to the role of particle size stabilization in decreasing the spontaneous growth of small MNPs, the ...
Metal organic frameworks as heterogeneous catalysts for the production of fine chemicals

Dhakshinamoorthy, Amarajothi; Opanasenko, Maksym; Cejka, Jiri; García Gómez, Hermenegildo (Royal Society of Chemistry, 2013)

[EN] This review focuses on the use of metal organic frameworks (MOFs) as catalysts for the synthesis of fine chemicals. While petrochemistry is characterized by gas phase reactions, in which MOFs cannot compete with robust ...
Metal organic frameworks as solid catalysts for liquid-phase continuous flow reactions

Dhakshinamoorthy, Amarajothi; Navalón Oltra, Sergio; Asiri, Abdullah M.; García Gómez, Hermenegildo (The Royal Society of Chemistry, 2020-01-04)

[EN] Metal organic frameworks (MOFs) are widely used as solid catalysts in the liquid phase under batch mode conditions. Moving towards the development of industrial processes, data of the performance of MOFs under continuous ...
Metal organic frameworks as solid catalysts in condensation reactions of carbonyl groups

Dhakshinamoorthy, Amarajothi; Opanasenko, Maksym; Cejka, Jirí; García Gómez, Hermenegildo (Wiley-VCH Verlag, 2013-02-11)

[EN] This review summarizes the use of metal organic frameworks (MOFs) as solid catalysts for condensation reactions. After an introductory section, in which condensation reactions are generally presented, a list of the ...
Metal-organic frameworks as solid catalysts for the synthesis of nitrogen-containing heterocycles

Dhakshinamoorthy, Amarajothi; García Gómez, Hermenegildo (Royal Society of Chemistry, 2014-08-21)

[EN] Metal-organic frameworks (MOFs) are finding increasing application as solid catalysts for liquid phase reactions leading to the synthesis of fine chemicals. In the present review we have focused on those reports ...