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Browsing by Author "Amarajothi, Dhakshina Moorthy"

Now showing items 1-20 of 32

A Porphyrin-Based Covalent Organic Framework as Metal-Free Visible-LED-Light Photocatalyst for One-Pot Tandem Benzyl Alcohol Oxidation/Knoevenagel Condensation

Oudi, Sara; Reza Oveisi, Ali; Daliran, Saba; Khajeh, Mostafa; Amarajothi, Dhakshina Moorthy; García Gómez, Hermenegildo (MDPI AG, 2023-02)

[EN] A porphyrin-based covalent organic framework (COF), namely Porph-UOZ-COF (UOZ stands for the University of Zabol), has been designed and prepared via the condensation reaction of 5,10,15,20-tetrakis-(3,4-dihydroxyph ...
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 Styrenes Catalyzed by an Iron Metal Organic Framework

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

[EN] Aerobic oxidation of a series of styrenes to benzaldehyde, styrene oxide, and derivatives has been performed with N-hydroxyphthalimide loaded on Fe(BTC) (BTC: 1,3,5-benzenetricarboxylate) under di¿erent reaction ...
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 ...
Biopolymer-derived structured graphitic carbons as metal-free heterogeneous ozonation catalysts in water

López-Francés, Antón; Peng, Lu; Bernat-Quesada, Francisco; Ferrer, Belén; Navalón, Sergio; Amarajothi, Dhakshina Moorthy; García Gómez, Hermenegildo (Elsevier Ltd, 2024-09)

[EN] The development of metal-free heterogeneous catalysts for advanced oxidation processes is an important area of research, advancing in sustainability, with potential practical applications in water treatment. In this ...
Challenges and opportunities for N-hydroxyphthalimide supported over heterogeneous solids for aerobic oxidations

Caruso, Manfredi; Navalón Oltra, Sergio; Cametti, Massimo; Dhakshinamoorthy, Amarajothi; Punta, Carlo; García Gómez, Hermenegildo (Elsevier, 2023-07-01)

[EN] Organocatalysis, in combination with, or as an alternative to the use of metals, is attracting increasing interest as a sustainable route to promote selective transformations. In this context, N- hydroxyphthalimide ...
Commercial metal-organic frameworks as heterogeneous catalysts

Amarajothi, Dhakshinamoorthy; Alvaro Rodríguez, Maria Mercedes; García Gómez, Hermenegildo (Royal Society of Chemistry, 2012)

Metal¿organic frameworks (MOFs) are porous crystalline materials that have promising applications as heterogeneous catalysts. After describing the composition, textural properties and crystal structure of four commercially ...
Comparison of Porous Iron Trimesates Basolite F300 and MIL-100(Fe) As Heterogeneous Catalysts for Lewis Acid and Oxidation Reactions: Roles of Structural Defects and Stability

Amarajothi, Dhakshina Moorthy; Alvaro Rodríguez, Maria Mercedes; Horcajada Campos, Patricia; Gibson, Emma; Vishnuvarthan, Muthusamy; Vimont, Alexandre; Grenèche, Jean-Marc; Serre, Christian; Daturi, Marco; García Gómez, Hermenegildo (American Chemical Society, 2012-08)

[EN] Two porous iron trimesates, namely, commercial Basolite F300 (Fe(BTC); BTC = 1,3,5-benzenetricarboxylate) with unknown structure and synthetic MIL-100(Fe) (MIL stands for Material of Institut Lavoisier) of welldefined ...
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 ...
Design of Multivariate Biological Metal-Organic Frameworks: Toward Mimicking Active Sites of Enzymes

Navarro-Alapont, Javier; Negro, Cristina; Navalón, Sergio; Amarajothi, Dhakshina Moorthy; Armentano, Donatella; Ferrando-Soria, Jesus; Pardo, Emilio (American Chemical Society, 2024-07-09)

[EN] Mimicking enzymatic processes carried out by natural enzymes, which are highly efficient biocatalysts with key roles in living organisms, attracts much interest but constitutes a synthetic challenge. Biological ...
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 ...
Fuel purification, Lewis acid and aerobic oxidation catalysis performed by a microporous Co-BTT (BTT3-=1,3,5-benzenetristetrazolate) framework having coordinatively unsaturated sites

Biswas, Shyam; Maes, Michael; Amarajothi, Dhakshinamoorthy; Feyand, Mark; De Vos, Dirk E.; García Gómez, Hermenegildo; Stock, Norbert (Royal Society of Chemistry, 2012)

[EN] Two isostructural microporous metal-organic frameworks [Co(DMA)(6)](3)[(Co4Cl)(3-)(BTT)(8)(H2O)(12)](2)center dot 12H2O (BTT3- = 1,3,5-benzenetristetrazolate; DMA N,N'-dimethylacetamide) (1) and [Cd(DMF)(6)](3)[(Cd4 ...
Graphene oxide as an acid catalyst for the room temperature ring opening of epoxides

Amarajothi, Dhakshinamoorthy; Alvaro Rodríguez, Maria Mercedes; Concepción Heydorn, Patricia; Fornes Seguí, Vicente; García Gómez, Hermenegildo (Royal Society of Chemistry, 2012)

The minute amount of hydrogen sulfate groups introduced into the graphene oxide (GO) obtained by Hummers oxidation of graphite renders this material as a highly e¿cient, recyclable acid catalyst for the ring opening of ...
Graphene Oxide as Catalyst for the Acetalization of Aldehydes at Room Temperature

Amarajothi, Dhakshina Moorthy; Alvaro Rodríguez, Maria Mercedes; Puche, Marta; Fornes Seguí, Vicente; García Gómez, Hermenegildo (WILEY-VCH Verlag GmbH & Co. KGaA,, 2012)

[EN] Graphene oxide obtained through the standard Hummers oxidation of graphite and subsequent exfoliation promotes acetalization of aldehydes in methanol. It is a highly efficient reusable heterogeneous catalyst because ...
High catalytic activity of oriented 2.0.0 copper(I) oxide grown on graphene film

Primo Arnau, Ana María; Esteve Adell, Iván; Blandez Barradas, Juan Francisco; Amarajothi, Dhakshinamoorthy; Alvaro Rodríguez, Maria Mercedes; Candu, Natalia; Coman, Simona M.; Parvulescu, Vasile I.; García Gómez, Hermenegildo (Nature Publishing Group, 2015-10)

[EN] Metal oxide nanoparticles supported on graphene exhibit high catalytic activity for oxidation, reduction and coupling reactions. Here we show that pyrolysis at 900 C under inert atmosphere of copper(II) nitrate ...
Intracrystalline diffusion in metal organic framework during heterogeneous catalisys: Influence of particle size on the activity of MIL-100 (Fe) for oxidation reaction

Dhakshinamoorthy, Amarajothi; Alvaro Rodríguez, Maria Mercedes; Hwang, Young Kyu; Seo, You-Kyong; Corma Canós, Avelino; García Gómez, Hermenegildo (ROYAL SOC CHEMISTRY, 2011)

[EN] Three MIL-100 (Fe) samples differing in average crystal size (from 60-70 to >400 nm) have been synthesized by microwave heating using three HF/Fe 3+ ratios. Oxidation of diphenylmethane with tert-butylhydroperoxide ...
Iron Nanoparticles Embedded in Graphitic Carbon Matrix as Heterogeneous Catalysts for the Oxidative C-N Coupling of Aromatic N-H Compounds and Amides

He, Jinbao; Dhakshinamoorthy, Amarajothi; Primo Arnau, Ana María; García Gómez, Hermenegildo (John Wiley & Sons, 2017)

[EN] Fe or Co nanoparticles (NPs) and two nanoparticulate Fe-Co alloys having different Fe/Co atomic ratio with average particle size ranging from 10.9 to 26.5 nm embedded in turbostratic graphitic carbon matrix have been ...
Iron(III) metal-organic frameworks as solid Lewis acids for the isomerization of alpha-pinene oxide

Amarajothi, Dhakshina Moorthy; Alvaro Rodríguez, Maria Mercedes; Chevreau, Hubert; Horcajada Campos, Patricia; Devic, Thomas; Serre, Christian; García Gómez, Hermenegildo (Royal Society of Chemistry, 2012)

[EN] A series of Fe3+-containing porous metal-organic frameworks (MOFs), including the commercial iron trimesate Basolite F-300 or Fe(BTC) (BTC: 1,3,5-benzenetricarboxylate) and the synthetic iron terephthalate MIL-88B ...
Metal Organic Frameworks as Versatile Hosts of Au Nanoparticles in Heterogeneous Catalysis

Dhakshinamoorthy, Amarajothi; Asiri, Abdullah M.; García Gómez, Hermenegildo (American Chemical Society, 2017)

[EN] The present review describes the state of the art of the use of metal organic framework (MOF)-encapsulated Au nanoparticles (NPs) as heterogeneous catalysts. The purpose is to show that catalysts with very good ...