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Listar por palabra clave "Aerobic oxidation"

Mostrando ítems 1-16 de 16

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 ...
Aerobic oxidation of cycloalkenes catalyzed by iron metal organic framework containing N-hydroxyphthalimide

Dhakshinamoorthy, Amarajothi; Alvaro Rodríguez, Maria Mercedes; García Gómez, Hermenegildo (Elsevier, 2012)

[EN] Iron metal organic framework [Fe(BTC)) loaded with N-hydroxyphthalimide (NHPI) promotes the aerobic oxidation of (cyclo)alkenes to give variable percentages of allylic oxidation products and the corresponding epoxide, ...
Aerobic Oxidation of Thiols Catalyzed by Copper Nanoparticles Supported on Diamond Nanoparticles

Amarajothi ., Dhakshina Moorthy; Navalón Oltra, Sergio; Sempere Aracil, David; Alvaro Rodríguez, Maria Mercedes; García Gómez, Hermenegildo (WILEY-VCH Verlag GmbH & Co. KGaA,, 2012)

After purification by Fenton treatment, commercial diamond nanoparticles (NPs) are a suitable solid support for the deposition of Cu nanoparticles. Heating at 5008C under hydrogen proved to be a convenient annealing process ...
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@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 ...
Cobalt-Based Metal Organic Frameworks as Solids Catalysts for Oxidation Reactions

Dhakshinamoorthy, Amarajothi; Montero-Lanzuela, Eva; Navalón Oltra, Sergio; García Gómez, Hermenegildo (MDPI AG, 2021-01)

[EN] Metal organic frameworks (MOFs) are porous crystalline solids whose frameworks are constituted by metal ions/nodes with rigid organic linkers leading to the formation of materials having high surface area and pore ...
Converting carbohydrates to bulk chemicals and fine chemicals over heterogeneous catalysts

Climent Olmedo, María José; Corma Canós, Avelino; Iborra Chornet, Sara (Royal Society of Chemistry, 2011)

[EN] In this Critical Review, we discuss how carbohydrates can be transformed into a variety of chemicals through heterogeneous catalysis. We focus particularly on oxidation, reduction and dehydration of hexoses, as well ...
Defective graphene as a metal-free catalyst for chemoselective olefin hydrogenation by hydrazine

Dhakshinamoorthy, Amarajothi; He, Jinbao; Franconetti, Antonio; Asiri, Abdullah M.; Primo Arnau, Ana Maria; García Gómez, Hermenegildo (The Royal Society of Chemistry, 2018-03-21)

[EN] A series of defective graphenes containing or not containing N, B, S and other heteroatoms exhibited general activity as metal-free catalysts for the hydrogenation of C=C double bonds by hydrazine in the presence of ...
Engineering Active Sites in Reduced Graphene Oxide: Tuning the Catalytic Activity for Aerobic Oxidation

Espinosa-López, Juan Carlos; Alvaro Rodríguez, Maria Mercedes; Dhakshinamoorthy, Amarajothi; Navalón Oltra, Sergio; García Gómez, Hermenegildo (American Chemical Society, 2019-10-07)

[EN] The influence of the graphene oxide (GO) reduction method on the activity of the resulting reduced graphene oxide (rGO) for the aerobic oxidation of benzylamine is reported. Starting from GO obtained by the Hummers ...
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 ...
Microporous 3D graphitic carbons obtained by soft templating as carbocatalysts for aerobic oxidation

Garcia-Mulero, Ana; Garcia-Baldovi, Hermenegildo; Dhakshinamoorthy, Amarajothi; Primo Arnau, Ana Maria; Corma Canós, Avelino; García Gómez, Hermenegildo (Elsevier, 2021-02-25)

[EN] Herein it is reported that chitosan, a natural filmogenic biopolymer, can undergo soft-templating in liquid phase under hydrothermal conditions by two typical structure directing agents, namely hexamethyleneimine (HMI) ...
MIL-101 as Reusable Solid Catalyst for Autoxidation of Benzylic Hydrocarbons in the Absence of Additional Oxidizing Reagents

Santiago Portillo, Andrea; Navalón Oltra, Sergio; García Cirujano, Francisco; Llabrés i Xamena, Francesc Xavier; Alvaro Rodríguez, Maria Mercedes; García Gómez, Hermenegildo (American Chemical Society, 2015-06)

Materiaux de l Institute Lavosier-101 (MIL-101) promotes benzylic oxidation of hydrocarbons exclusively by molecular oxygen in the absence of any other oxidizing reagent or initiator. Using indane as model compound, the ...
Opportunities of MXenes in Heterogeneous Catalysis: V2C as Aerobic Oxidation Catalyst

Dhakshinamoorthy, Amarajothi; Ramírez-Grau, Rubén; García, Hermenegildo; Primo Arnau, Ana Maria (John Wiley & Sons, 2024-07-02)

[EN] MXenes are two-dimensional nanomaterials having alternating sheets of one atom-thick early transition metal layer and one atom-thick carbide or nitride layer. The external surface contains termination groups, whose ...
Theoretical and experimental insights into the origin of the catalytic activity of subnanometric gold clusters: attempts to predict reactivity with clusters and nanoparticles of gold

Boronat Zaragoza, Mercedes; Leyva Perez, Antonio; Corma Canós, Avelino (American Chemical Society, 2014-03)

[EN] Particle size is one of the key parameters determining the unexpected catalytic activity of gold, with reactivity improving as the particle gets smaller. While this is valid In the 1-5 nm range, chemists are now ...
Tuning the active sites in reduced graphene oxide by hydroquinone functionalization for the aerobic oxidations of thiophenol and indane

Vallés-García, Cristina; Montero-Lanzuela, Eva; Navalón Oltra, Sergio; Alvaro Rodríguez, Maria Mercedes; Dhakshinamoorthy, Amarajothi; García Gómez, Hermenegildo (Elsevier, 2020-09)

[EN] Sustainable reduced graphene oxide (rGO) carbocatalysts for molecular oxygen activation have been developed based on the concept that chemical reduction of graphene oxide to rGO introduces functional groups that can ...
Tuning the Microenvironment of Gold Nanoparticles Encapsulated within MIL-101(Cr) for the Selective Oxidation of Alcohols with O-2: Influence of the Amino Terephthalate Linker

Santiago-Portillo, Andrea; Cabrero-Antonino, Maria; Alvaro Rodríguez, Maria Mercedes; Navalón Oltra, Sergio; García Gómez, Hermenegildo (John Wiley & Sons, 2019-07-11)

[EN] This manuscript reports a comparative study of the catalytic performance of gold nanoparticles (NPs) encapsulated within MIL-101(Cr) with or without amino groups in the terephthalate linker. The purpose is to show how ...