Výsledky vyhledávání - "Cristina Vallés García"

Hybrid sp2/sp3 nanodiamonds as heterogeneous metal-free ozonation catalysts in water

Autor: Cristina Vallés-García, Antón López-Francés, Francisco Bernat-Quesada, Eva Montero-Lanzuela, Belén Ferrer, Sergio Navalón, Herme G. Baldoví

Publikováno v: RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
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[EN] There is a growing interest from academia and industry in metal-free heterogeneous catalysts as an alternative to current non-sustainable transition metal catalysts. Herein we report a comprehensive study on the development of hybrid nanodiamond

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c171d9e0823c383be37b8497ef1844ec
https://doi.org/10.1016/j.apcatb.2021.120673

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Engineering catalytic sites for oxidation and condensation reactions using metal-organic frameworks or graphene-based materials

Autor: Cristina Vallés García

Publikováno v: RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
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[ES] La presente tesis doctoral ha mostrado la posibilidad de diseñar sitios activos de MOFs y materiales basados en grafeno para ser utilizados como catalizadores con actividad mejorada para reacciones de oxidación y condensación. Específicament

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eb8da34402e29a986729e1520b6ee19d
https://doi.org/10.4995/thesis/10251/175802

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Arene borylation through C-H activation using Cu3(BTC)2 as heterogeneous catalyst

Autor: Hermenegildo García, Amarajothi Dhakshinamoorthy, Cristina Vallés García, Patricia Concepción

Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
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C[sbnd]H borylation by diborane is an important process to access organoboron compounds. Noble metals, including Ir and Rh-based complexes either in the form of homogeneous or heterogeneous catalysts, have been reported to promote arene C[sbnd]H bory

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::949080e7d8c29d8085be37049eb3c189
http://hdl.handle.net/10261/232489

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Design of stable mixed-metal MIL-101(Cr/Fe) materials with enhanced catalytic activity for the Prins reaction

Autor: Sergio Navalón, Mercedes Alvaro, Andrea Santiago-Portillo, Jean-Marc Greneche, Effrosyni Gkaniatsou, Christian Serre, Nathalie Steunou, Clémence Sicard, Mónica Giménez-Marqués, Cristina Vallés-García, Hermenegildo Garcia

Publikováno v: Journal of Materials Chemistry A
Journal of Materials Chemistry A, Royal Society of Chemistry, 2020, 8 (33), pp.17002-17011. ⟨10.1039/D0TA02991B⟩
Digital.CSIC. Repositorio Institucional del CSIC
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Journal of Materials Chemistry A, Royal Society of Chemistry, 2020, 8 (33), pp.17002-17011. ⟨10.1039/d0ta02991b⟩
Vallés-García, Cristina Gkaniatsou, Effrosyni Santiago-Portillo, Andrea Giménez Marqués, Mónica Álvaro, Mercedes Greneche, Jean-Marc Steunou, Nathalie Sicard, Clémence Navalón, Sergio Serre, Christian García, Hermenegildo 2020 Design of stable mixed-metal MIL-101(Cr/Fe) materials with enhanced catalytic activity for the Prins reaction Journal Of Materials Chemistry a 8 33 17002 17011
RODERIC. Repositorio Institucional de la Universitat de Valéncia
RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia

[EN] This work highlights the benefit of designing mixed-metal (Cr/Fe) MOFs for enhanced chemical stability and catalytic activity. A robust and stable mixed-metal MIL-101(Cr/Fe) was prepared through a HF-free direct hydrothermal route with Fe(3+)con

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::badc20a8d9d6abb64d2fbc352c4cd6cd
http://hdl.handle.net/10261/232519

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Nitro functionalized chromium terephthalate metal-organic framework as multifunctional solid acid for the synthesis of benzimidazoles

Autor: Sergio Navalón, Hermenegildo García, Mercedes Alvaro, María Cabrero-Antonino, Amarajothi Dhakshinamoorthy, Cristina Vallés-García

Publikováno v: RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
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Digital.CSIC. Repositorio Institucional del CSIC

[EN] In the present work, nitro functionalized chromium terephthalate [MIL-101(Cr)-NO2] metal-organic framework is prepared and characterized by powder X-ray diffraction (XRD), elemental analysis, infrared spectroscopy (IR), X-ray photoelectron spect

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5ea3e9f13ab53d661ae5c0152579256a
https://hdl.handle.net/10251/165283

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MIL-101(Cr)-NO2 as efficient catalyst for the aerobic oxidation of thiophenols and the oxidative desulfurization of dibenzothiophenes

Autor: Andrea Santiago-Portillo, Sergio Navalón, Hermenegildo Garcia, Mercedes Alvaro, Cristina Vallés-García

Publikováno v: RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
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Digital.CSIC. Repositorio Institucional del CSIC

[EN] A series of MIL-101(Cr)-X functionalized with electron withdrawing (NO2, SO3H or Cl) or electron donor (NH2 or CH3) groups has been tested for the solvent-free oxidative coupling of thiophenol to disulfides. No byproducts were observed. A relati

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f7c43132504418d5f4fbd65d4b695d96
https://doi.org/10.1016/j.apcata.2019.117340

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Templateless Synthesis of Ultra-Microporous 3D Graphitic Carbon from Cyclodextrins and Their Use as Selective Catalyst for Oxygen Activation

Autor: Sergio Navalón, Antonio Franconetti, Ana Primo, Miguel Palomino, Hermenegildo García, Cristina Vallés-García, Alejandra Rendón-Patiño, Andrea Santiago-Portillo

Publikováno v: RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
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Digital.CSIC. Repositorio Institucional del CSIC

[EN] Pyrolysis of alpha-, beta-, and gamma-cyclodextrins at 900 degrees C gives rise to the formation of crystalline graphitic porous nanoparticles (G(CD)), where the dimensions of the pores are uniform in the range from 0.63 to 0.97 nm, from G(alpha

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0c98d31958adce1f9db07084dd940ae6
http://hdl.handle.net/10261/233151

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Tuning the active sites in reduced graphene oxide by hydroquinone functionalization for the aerobic oxidations of thiophenol and indane

Autor: Sergio Navalón, Mercedes Alvaro, Eva Montero-Lanzuela, Cristina Vallés-García, Amarajothi Dhakshinamoorthy, Hermenegildo Garcia

Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
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RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia

[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 become active sites. Thus, a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::078a12ef5badee2c5f9d641204b42f80
http://hdl.handle.net/10261/233153

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Key Role of the Cation in the Crystallization of Chiral Tris(Anilato)Metalate Magnetic Anions

Autor: Carlos J. Gómez García, Patricia Gómez-Claramunt, Samia Benmansour, Guillermo Mínguez Espallargas, Cristina Vallés-García

Publikováno v: Crystal Growth & Design. 16:518-526

A complete study of the role played by the usually considered “innocent” cation in the synthesis of chiral tris(anilato)metalate magnetic complexes is presented. This study is based on the rational synthesis of the family of compounds formulated

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fe1c33a6524c289228530ec2293b2f07
https://doi.org/10.1021/acs.cgd.5b01573

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2D and 3D Anilato-Based Heterometallic M(I)M(III) Lattices: The Missing Link

Autor: Samia Benmansour, Carlos J. Gómez-García, Guillermo Mínguez Espallargas, Cristina Vallés-García, Patricia Gómez-Claramunt

Publikováno v: Inorganic Chemistry. 54:5410-5418

The similar bis-bidentate coordination mode of oxalato and anilato-based ligands is exploited here to create the first examples of 2D and 3D heterometallic lattices based on anilato ligands combining M(I) and a M(III) ions, phases already observed wi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3bd6903fce7f626b2b8ee6e4d945808a
https://doi.org/10.1021/acs.inorgchem.5b00451

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