82 results on '"Ferrando Soria, Jesús"'
Search Results
2. Controlled Zn(II) to Co(II) Transmetalation in a Metal–Organic Framework Inducing Single-Ion Magnet Behavior †.
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Escamilla, Paula, Moliner, Nicolás, Armentano, Donatella, Pardo, Emilio, Ferrando-Soria, Jesús, and Grancha, Thais
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SINGLE molecule magnets ,MAGNETIC susceptibility ,ALTERNATING currents ,METAL ions ,MAGNETS - Abstract
The intrinsic characteristic features of metal–organic frameworks offer unique, great opportunities to develop novel materials with applications in very diverse fields. Aiming to take advantage of these, the application of post-synthetic methodologies has revealed itself to be a powerful approach to the isolation and structuration of metal ions, molecules, or more complex species, either within MOF channels or reticulated at their network, rendering novel and exciting MOFs with new or improved functionalities. Herein, we report the partial post-synthetic metal exchange of Zn(II) metal ions by Co(II) ones in water-stable three-dimensional CaZn
6 -MOF 1, derived from the amino acid S-methyl-L-cysteine, allowing us to obtain two novel MOFs with increasing contents of the Co(II) ions Co4% @1 and Co8% @1. Remarkably, the presented post-synthetic metal exchange methodology has two relevant implications for us: (i) it allowed us to obtain two novel MOFs, which were not accessible by direct synthesis, and (ii) enabled us to transform physical properties within this family of isoreticular MOFs from the diamagnetic pristine MOF 1 to MOFs Co4% @1 and Co8% @1, exhibiting field-induced, frequency-dependent, alternating current magnetic susceptibility signals, which are characteristic features of single-molecule magnets. [ABSTRACT FROM AUTHOR]- Published
- 2024
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3. Magnetic order in a CuII–DyIII oxamato-based two-dimensional coordination polymer
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Pascual-Álvarez, Alejandro, Cano, Joan, Lloret, Francesc, Ferrando-Soria, Jesús, Armentano, Donatella, and Pardo, Emilio
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- 2019
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4. Publisher Correction: Hydrolase–like catalysis and structural resolution of natural products by a metal–organic framework
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Mon, Marta, Bruno, Rosaria, Sanz-Navarro, Sergio, Negro, Cristina, Ferrando-Soria, Jesús, Bartella, Lucia, Di Donna, Leonardo, Prejanò, Mario, Marino, Tiziana, Leyva-Pérez, Antonio, Armentano, Donatella, and Pardo, Emilio
- Published
- 2020
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5. Switchable Interaction in Molecular Double Qubits
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Ferrando-Soria, Jesús, Magee, Samantha A., Chiesa, Alessandro, Carretta, Stefano, Santini, Paolo, Vitorica-Yrezabal, Iñigo J., Tuna, Floriana, Whitehead, George F.S., Sproules, Stephen, Lancaster, Kyle M., Barra, Anne-Laure, Timco, Grigore A., McInnes, Eric J.L., and Winpenny, Richard E.P.
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- 2016
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6. Ag2(0) dimers within a thioether-functionalized MOF catalyze the CO2 to CH4 hydrogenation reaction
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Ministerio de Ciencia e Innovación (España), Zheng, Yongkun, Martín, Nuria, Boronat, Mercedes, Ferrando-Soria, Jesús, Mon, Marta, Armentano, Donatella, Pardo, Emilio, Leyva, Antonio, Ministerio de Ciencia e Innovación (España), Zheng, Yongkun, Martín, Nuria, Boronat, Mercedes, Ferrando-Soria, Jesús, Mon, Marta, Armentano, Donatella, Pardo, Emilio, and Leyva, Antonio
- Abstract
Ultrasmall silver clusters in reduced state are difficult to synthesize since silver atoms tend to rapidly aggregate into bigger entities. Here, we show that dimers of reduced silver (Ag) are formed within the framework of a metal–organic framework provided with thioether arms in their walls (methioMOF), after reduction with NaBH of the corresponding Ag-methioMOF precursor. The resulting Ag-methioMOF catalyzes the methanation reaction of carbon dioxide (CO to CH hydrogenation reaction) under mild reaction conditions (1 atm CO, 4 atm H, 140 °C), with production rates much higher than Ag on alumina and even comparable to the state-of-the-art Ru on alumina catalyst (Ru–AlO) under these reaction conditions, according to literature results.
- Published
- 2023
7. Selective cycloaddition of ethylene oxide to CO2 within the confined space of an amino acid-based metal-organic framework
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Ministerio de Ciencia e Innovación (España), Generalitat Valenciana, European Research Council, Bilanin, Cristina, Escamilla, Paula, Ferrando-Soria, Jesús, Leyva, Antonio, Armentano, Donatella, Pardo, Emilio, Ministerio de Ciencia e Innovación (España), Generalitat Valenciana, European Research Council, Bilanin, Cristina, Escamilla, Paula, Ferrando-Soria, Jesús, Leyva, Antonio, Armentano, Donatella, and Pardo, Emilio
- Abstract
Host-guest chemistry within the confined space of metal-organic frameworks (MOFs) offers an almost unlimited myriad of possibilities, hardly accessible with other materials. Here we report the synthesis and physical characterization, with atomic resolution by single-crystal X-ray diffraction, of a novel water-stable tridimensional MOF, derived from the amino acid S-methyl-l-cysteine, {SrZn[(S,S)-Mecysmox](OH)(HO)}·9HO (1), and its application as a robust and efficient solid catalyst for the cycloaddition reaction of ethylene/propylene oxide with CO to afford ethylene/propylene carbonate with yields of up to 95% and selectivity of up to 100%. These results nicely illustrate the great potential of MOFs to be game changers for the selective synthesis of industrially relevant products, representing a powerful alternative to the current heterogeneous catalysts.
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- 2023
8. Exploring the Role of Amino Acid-Derived Multivariate Metal-Organic Frameworks as Catalysts in Hemiketalization Reactions
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European Research Council, Ministerio de Ciencia e Innovación (España), Ministerio de Economía y Competitividad (España), Negro, Cristina, Sanz-Navarro, S., Leyva, Antonio, Armentano, Donatella, Ferrando-Soria, Jesús, Pardo, Emilio, European Research Council, Ministerio de Ciencia e Innovación (España), Ministerio de Economía y Competitividad (España), Negro, Cristina, Sanz-Navarro, S., Leyva, Antonio, Armentano, Donatella, Ferrando-Soria, Jesús, and Pardo, Emilio
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Understanding the host-guest chemistry in MOFs represents a research field with outstanding potential to develop in a rational manner novel porous materials with improved performances in fields such as heterogeneous catalysis. Herein, we report a family of three isoreticular MOFs derived from amino acids and study the influence of the number and nature of functional groups decorating the channels as a catalyst in hemiketalization reactions. In particular, a multivariate (MTV) MOF 3, prepared by using equal percentages of amino acids L-serine and L-mecysteine, in comparison to single-component (“traditional”) MOFs, derived from either L-serine or L-mecysteine (MOFs 1 and 2), exhibits the most efficient catalytic conversions for the hemiketalization of different aldehydes and ketalization of cyclohexanone. On the basis of the experimental data reported, the good catalytic performance of MTV-MOF 3 is attributed to the intrinsic heterogeneity of MTV-MOFs. These results highlight the potential of MTV-MOFs as strong candidates to mimic natural nonacidic enzymes, such as glycosidases, and to unveil novel catalytic mechanisms not so easily accessible with other microporous materials.
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- 2023
9. The oxamate route, a versatile post-functionalization for metal incorporation in MIL-101(Cr): Catalytic applications of Cu, Pd, and Au
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Juan-Alcañiz, Jana, Ferrando-Soria, Jesús, Luz, Ignacio, Serra-Crespo, Pablo, Skupien, Emmanuel, Santos, Vera P., Pardo, Emilio, Llabrés i Xamena, Francesc X., Kapteijn, Freek, and Gascon, Jorge
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- 2013
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10. Ag2(0) dimers within a thioether-functionalized MOF catalyze the CO2 to CH4 hydrogenation reaction.
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Zheng, Yongkun, Martín, Nuria, Boronat, Mercedes, Ferrando-Soria, Jesús, Mon, Marta, Armentano, Donatella, Pardo, Emilio, and Leyva-Pérez, Antonio
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DIMERS ,HYDROGENATION ,SILVER clusters ,RUTHENIUM catalysts ,METAL-organic frameworks ,TRANSFER hydrogenation ,WATER gas shift reactions - Abstract
Ultrasmall silver clusters in reduced state are difficult to synthesize since silver atoms tend to rapidly aggregate into bigger entities. Here, we show that dimers of reduced silver (Ag
2 ) are formed within the framework of a metal–organic framework provided with thioether arms in their walls (methioMOF), after reduction with NaBH4 of the corresponding Ag+ -methioMOF precursor. The resulting Ag2 -methioMOF catalyzes the methanation reaction of carbon dioxide (CO2 to CH4 hydrogenation reaction) under mild reaction conditions (1 atm CO2 , 4 atm H2 , 140 °C), with production rates much higher than Ag on alumina and even comparable to the state-of-the-art Ru on alumina catalyst (Ru–Al2 O3 ) under these reaction conditions, according to literature results. [ABSTRACT FROM AUTHOR]- Published
- 2023
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11. Epoxidation vs. dehydrogenation of allylic alcohols: heterogenization of the VO(acac)2 catalyst in a metal–organic framework
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Leyva–Pérez, Antonio [0000-0003-1063-5811], Negro, C., Bilanin, Cristina, Qu, Xiaoni, Oliver Meseguer, Judit, Ferrando-Soria, Jesús, Leyva, Antonio, Armentano, Donatella, Pardo, Emilio, Leyva–Pérez, Antonio [0000-0003-1063-5811], Negro, C., Bilanin, Cristina, Qu, Xiaoni, Oliver Meseguer, Judit, Ferrando-Soria, Jesús, Leyva, Antonio, Armentano, Donatella, and Pardo, Emilio
- Abstract
Allylic alcohol epoxidation and dehydrogenation reactivity is distinguished when VO(acac)2 is used in solution or anchored in a metal–organic framework (MOF). The chemical mechanism depends on the electronic profile of alkene substituents when the vanadyl complex is used in the homogenous phase. However, confinement effects imparted by MOF channels allow gaining control of the chemoselectivity toward the dehydrogenation product.
- Published
- 2022
12. Highly Efficient MOF-Driven Silver Subnanometer Clusters for the Catalytic Buchner Ring Expansion Reaction
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Ministerio de Ciencia e Innovación (España), Generalitat Valenciana, European Research Council, Tiburcio, Estefanía, Zheng, Yongkun, Mon, Marta, Martín, Nuria, Ferrando-Soria, Jesús, Armentano, Donatella, Leyva, Antonio, Pardo, Emilio, Ministerio de Ciencia e Innovación (España), Generalitat Valenciana, European Research Council, Tiburcio, Estefanía, Zheng, Yongkun, Mon, Marta, Martín, Nuria, Ferrando-Soria, Jesús, Armentano, Donatella, Leyva, Antonio, and Pardo, Emilio
- Abstract
The preparation of novel efficient catalysts-that could be applicable in industrially important chemical processes-has attracted great interest. Small subnanometer metal clusters can exhibit outstanding catalytic capabilities, and thus, research efforts have been devoted, recently, to synthesize novel catalysts bearing such active sites. Here, we report the gram-scale preparation of Ag2subnanometer clusters within the channels of a highly crystalline three-dimensional anionic metal-organic framework, with the formula [Ag2]@AgNa{Ni[Cu(Mempba)]}·48HO [Mempba= N,N′-2,4,6-trimethyl-1,3-phenylenebis(oxamate)]. The resulting crystalline solid catalyst-fully characterized with the help of single-crystal X-ray diffraction-exhibits high catalytic activity for the catalytic Buchner ring expansion reaction.
- Published
- 2022
13. Hierarchical Assembly of a Micro- and Macroporous Hydrogen-Bonded Organic Framework with Tailored Single-Crystal Size
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Universidad de Alicante. Departamento de Química Inorgánica, Universidad de Alicante. Instituto Universitario de Materiales, Halliwell, Christopher A., Dann, Sandra E., Ferrando-Soria, Jesús, Plasser, Felix, Yendall, Keith, Ramos-Fernández, Enrique V., Vladisavljević, Goran T., Elsegood, Mark R.J., Fernandez, Antonio, Universidad de Alicante. Departamento de Química Inorgánica, Universidad de Alicante. Instituto Universitario de Materiales, Halliwell, Christopher A., Dann, Sandra E., Ferrando-Soria, Jesús, Plasser, Felix, Yendall, Keith, Ramos-Fernández, Enrique V., Vladisavljević, Goran T., Elsegood, Mark R.J., and Fernandez, Antonio
- Abstract
Porous organic molecular materials represent an emergent field of research in Chemistry and Materials Science due to their unique combination of properties. To enhance their performance and expand the number of applications, the incorporation of hierarchical porosity is required, as exclusive microporosity entails several limitations. However, the integration of macropores in porous organic molecular materials is still an outstanding challenge. Herein, we report the first example of a hydrogen-bonded organic framework (MM-TPY) with hierarchical skeletal morphology, containing stable micro- and macroporosity. The crystal size, from micro to centimetre scale, can be controlled in a single step without using additives or templates. The mechanism of assembly during the crystal formation is compatible with a skeletal crystal growth. As proof of concept, we employed the hierarchical porosity as a platform for the dual, sequential and selective co-recognition of molecular species and microparticles.
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- 2022
14. Click amidations, esterifications and one–pot reactions catalyzed by Cu salts and multimetal–organic frameworks (M–MOFs)
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Ministero dell'Istruzione, dell'Università e della Ricerca, Ministerio de Economía y Competitividad (España), Fondazione Cariplo, European Research Council, Ministerio de Ciencia e Innovación (España), Leyva, Antonio [0000-0003-1063-5811], Greco, R., Tiburcio, Estefanía, Palomar-De Lucas, B., Ferrando-Soria, Jesús, Armentano, Donatella, Pardo, Emilio, Leyva, Antonio, Ministero dell'Istruzione, dell'Università e della Ricerca, Ministerio de Economía y Competitividad (España), Fondazione Cariplo, European Research Council, Ministerio de Ciencia e Innovación (España), Leyva, Antonio [0000-0003-1063-5811], Greco, R., Tiburcio, Estefanía, Palomar-De Lucas, B., Ferrando-Soria, Jesús, Armentano, Donatella, Pardo, Emilio, and Leyva, Antonio
- Abstract
Amides and esters are prevalent chemicals in Nature, industry and academic laboratories. Thus, it is not surprising that a plethora of synthetic methods for these compounds has been developed along the years. However, these methods are not 100% atom economical and generally require harsh reagents or reaction conditions. Here we show a “spring–loaded”, 100% atom–efficient amidation and esterification protocol which consists in the ring opening of cyclopropenones with amines or alcohols. Some alkyl amines react spontaneously at room temperature in a variety of solvents and reaction conditions, including water at different pHs, while other alkyl amines, aromatic amines and alcohols react in the presence of catalytic amounts of simple Cu salts or solids. A modular reactivity pattern (alkyl amines >> alkyl alcohols >> phenols >> aromatic amines) enables to design orthogonal and one–pot reactions on well–defined catalytic Multimetal–Organic Frameworks (M–MOFs, M= Cu, Ni, Pd), to easily functionalize the resulting cinnamides and cinnamic esters to more complex molecules. The strong resemblance of the amidation and esterification reaction conditions here reported with the copper–catalyzed azide–alkyne cycloaddition (CuAAC) allows to define this fast, clean and flexible protocol as a click reaction.
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- 2022
15. Mixed component metal-organic frameworks: Heterogeneity and complexity at the service of application performances
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Ministerio de Economía y Competitividad (España), Ministerio de Ciencia, Innovación y Universidades (España), Leyva, Antonio [0000-0003-1063-5811], Viciano-Chumillas, M., Liu, Xiangyu, Leyva, Antonio, Armentano, Donatella, Ferrando-Soria, Jesús, Pardo, Emilio, Ministerio de Economía y Competitividad (España), Ministerio de Ciencia, Innovación y Universidades (España), Leyva, Antonio [0000-0003-1063-5811], Viciano-Chumillas, M., Liu, Xiangyu, Leyva, Antonio, Armentano, Donatella, Ferrando-Soria, Jesús, and Pardo, Emilio
- Abstract
The synthesis of mixed-component metal-organic frameworks (MOFs) –including multivariate MOFs (MTV-MOFs), multicomponent MOFs, mixed-metals MOFs and mixed-ligands and metals MOFs– is becoming a very active research field. This is mainly based on the unique possibilities these materials offer to incorporate multiple functionalities and in how this heterogenity and complexity is translated in unexpected properties, which are not just the sum of each component. This review critically encompasses the progress made in this field, covering the synthetic approaches, and specially focusing on the current reported applications –such as gas storage and separation, catalysis, luminescence, conductivity, biological ones and water remediation. It also raises, as a perspective, some of the challenges the field has to overcome to reach their full-potential, and through two applications –(bio)enzymatic catalysis and synthesis of heterometallic subnanometric clusters and nanoparticles–, as exemplary cases, present some promising ways to take advantage of the intrinsic properties of mixed-components MOFs to make a breakthrough on the respective fields of application.
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- 2022
16. Photodegradation of Brilliant Green Dye by a Zinc bioMOF and Crystallographic Visualization of Resulting CO2
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Escamilla, Paula, primary, Viciano-Chumillas, Marta, additional, Bruno, Rosaria, additional, Armentano, Donatella, additional, Pardo, Emilio, additional, and Ferrando-Soria, Jesús, additional
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- 2021
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17. Crystallographic Visualization of a Double Water Molecule Addition on a Pt-1-MOF during the Low-temperature Water-Gas Shift Reaction
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Universitat Politècnica de València. Instituto Universitario Mixto de Tecnología Química - Institut Universitari Mixt de Tecnologia Química, Fondazione Cariplo, European Commission, Agencia Estatal de Investigación, Ministerio de Economía y Competitividad, Fundació Bancària Caixa d'Estalvis i Pensions de Barcelona, Bilanin-Artigado, Cristina, Tiburcio, Estefanía, Ferrando-Soria, Jesús, Armentano, Donatella, Leyva Perez, Antonio, Pardo, Emilio, Universitat Politècnica de València. Instituto Universitario Mixto de Tecnología Química - Institut Universitari Mixt de Tecnologia Química, Fondazione Cariplo, European Commission, Agencia Estatal de Investigación, Ministerio de Economía y Competitividad, Fundació Bancària Caixa d'Estalvis i Pensions de Barcelona, Bilanin-Artigado, Cristina, Tiburcio, Estefanía, Ferrando-Soria, Jesús, Armentano, Donatella, Leyva Perez, Antonio, and Pardo, Emilio
- Abstract
This is the peer reviewed version of the following article: C. Bilanin, E. Tiburcio, J. Ferrando-Soria, D. Armentano, A. Leyva-Pérez, E. Pardo, ChemCatChem 2021, 13, 1195, which has been published in final form at https://doi.org/10.1002/cctc.202001492. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving., [EN] The low-temperature water-gas shift reaction (WGSR, CO+H2O H-2+CO2) is considered a very promising reaction -candidate for fuel cells- despite an efficient and robust catalyst is still desirable. One of the more prominent catalysts for this reaction is based on single Pt atoms (Pt-1) on different supports, which are supposed to manifold the reaction by the accepted mechanism for the general WGSR, i. e. by addition of one H2O molecule to CO, with generation of CO2 and H-2. Here we show, experimentally, that not one but two H2O molecules are added to CO on the Pt-1 catalyst, as assessed by a combination of reactivity experiments with soluble Pt catalysts, kinetic and spectroscopic measurements, and finally by in-operando single crystal X-ray diffraction on a Pt-1-MOF, to visualize the formation of the hemiacetal intermediate on the solid catalytic site. These results confirm our previous DFT predictions and provide a paradigmatic shift in the assumed mechanism of the WGSR, which may open the debate if two H2O molecules are recurrently added during the WGSR, not only for Pt-1 catalysts but also for other metal catalysts.
- Published
- 2021
18. Soluble/MOF-Supported Palladium Single Atoms Catalyze the Ligand-, Additive-, and Solvent-Free Aerobic Oxidation of Benzyl Alcohols to Benzoic Acids
- Author
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Ministerio de Economía y Competitividad (España), Ministerio de Ciencia, Innovación y Universidades (España), Tiburcio, Estefanía, Greco, R., Mon, Marta, Ballesteros-Soberanas, Jordi, Ferrando-Soria, Jesús, Lopez-Haro, Miguel, Hernández-Garrido, J.C., Oliver Meseguer, Judit, Marini, Carlo, Boronat, Mercedes, Armentano, Donatella, Leyva, Antonio, Pardo, Emilio, Ministerio de Economía y Competitividad (España), Ministerio de Ciencia, Innovación y Universidades (España), Tiburcio, Estefanía, Greco, R., Mon, Marta, Ballesteros-Soberanas, Jordi, Ferrando-Soria, Jesús, Lopez-Haro, Miguel, Hernández-Garrido, J.C., Oliver Meseguer, Judit, Marini, Carlo, Boronat, Mercedes, Armentano, Donatella, Leyva, Antonio, and Pardo, Emilio
- Abstract
Metal single-atom catalysts (SACs) promise great rewards in terms of metal atom efficiency. However, the requirement of particular conditions and supports for their synthesis, together with the need of solvents and additives for catalytic implementation, often precludes their use under industrially viable conditions. Here, we show that palladium single atoms are spontaneously formed after dissolving tiny amounts of palladium salts in neat benzyl alcohols, to catalyze their direct aerobic oxidation to benzoic acids without ligands, additives, or solvents. With this result in hand, the gram-scale preparation and stabilization of Pd SACs within the functional channels of a novel methyl-cysteine-based metal-organic framework (MOF) was accomplished, to give a robust and crystalline solid catalyst fully characterized with the help of single-crystal X-ray diffraction (SCXRD). These results illustrate the advantages of metal speciation in ligand-free homogeneous organic reactions and the translation into solid catalysts for potential industrial implementation.
- Published
- 2021
19. Hydrolase–like catalysis and structural resolution of natural products by a metal–organic framework
- Author
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Mon, Marta, primary, Bruno, Rosaria, additional, Sanz-Navarro, Sergio, additional, Negro, Cristina, additional, Ferrando-Soria, Jesús, additional, Bartella, Lucia, additional, Di Donna, Leonardo, additional, Prejanò, Mario, additional, Marino, Tiziana, additional, Leyva-Pérez, Antonio, additional, Armentano, Donatella, additional, and Pardo, Emilio, additional
- Published
- 2020
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20. Gas Transport in Mixed Matrix Membranes: Two Methods for Time Lag Determination
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Fuoco, Alessio, primary, Monteleone, Marcello, additional, Esposito, Elisa, additional, Bruno, Rosaria, additional, Ferrando-Soria, Jesús, additional, Pardo, Emilio, additional, Armentano, Donatella, additional, and Jansen, Johannes Carolus, additional
- Published
- 2020
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21. Bio-metal-organic frameworks for molecular recognition and sorbent extraction of hydrophilic vitamins followed by their determination using HPLC-UV
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Pérez-Cejuela, Héctor Martínez, Mon, Marta, Ferrando-Soria, Jesús, Pardo, Emilio, Armentano, Donatella, Simó-Alfonso, Ernesto F., and Herrero-Martínez, José Manuel
- Subjects
Detection limit ,Vitamines ,Sorbent ,Chromatography ,Surface Properties ,Ultraviolet Rays ,Elution ,Chemistry ,Hydrophilic interaction chromatography ,010401 analytical chemistry ,Extraction (chemistry) ,Supramolecular chemistry ,Química analítica ,010402 general chemistry ,01 natural sciences ,0104 chemical sciences ,Analytical Chemistry ,Begudes ,Molecular recognition ,Vitamin B Complex ,Adsorption ,Solid phase extraction ,Particle Size ,Hydrophobic and Hydrophilic Interactions ,Metal-Organic Frameworks - Abstract
A bio-metal-organic framework (bio-MOF) derived from the amino acid L-serine has been prepared in bulk form and evaluated as sorbent for the molecular recognition and extraction of B-vitamins. The functional pores of bio-MOF exhibit high amounts of hydroxyl groups jointly directing other supramolecular host-guest interactions thus providing the recognition of B-vitamins in fruit juices and energy drinks. Single-crystal X-ray diffraction studies reveal the specific B-vitamin binding sites and the existence of multiple hydrogen bonds between these target molecules and the framework. It offered unique snapshots to accomplish an efficient capture of these solutes in complex aqueous matrices. Four B-vitamins (thiamin, nicotinic acid, nicotinamide, and pyridoxine) were investigated. They were eluted from the sorbent with phosphate buffer at pH 7 and analyzed by HPLC with UV detection. The sorbent was compared with commercial C18 cartridges. Following the procedure, acceptable reproducibility (RSD values
- Published
- 2020
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22. Hydrolase–like catalysis and structural resolution of natural products by a metal–organic framework
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European Research Council, Ministerio de Economía y Competitividad (España), Ministerio de Ciencia, Innovación y Universidades (España), Mon, Marta, Bruno, R., Sanz-Navarro, S., Negro, C., Ferrando-Soria, Jesús, Bartella, L., Di Donna, L., Prejanò, M., Marino, T., Leyva, Antonio, Armentano, Donatella, European Research Council, Ministerio de Economía y Competitividad (España), Ministerio de Ciencia, Innovación y Universidades (España), Mon, Marta, Bruno, R., Sanz-Navarro, S., Negro, C., Ferrando-Soria, Jesús, Bartella, L., Di Donna, L., Prejanò, M., Marino, T., Leyva, Antonio, and Armentano, Donatella
- Abstract
The exact chemical structure of non–crystallising natural products is still one of the main challenges in Natural Sciences. Despite tremendous advances in total synthesis, the absolute structural determination of a myriad of natural products with very sensitive chemical functionalities remains undone. Here, we show that a metal–organic framework (MOF) with alcohol–containing arms and adsorbed water, enables selective hydrolysis of glycosyl bonds, supramolecular order with the so–formed chiral fragments and absolute determination of the organic structure by single–crystal X–ray crystallography in a single operation. This combined strategy based on a biomimetic, cheap, robust and multigram available solid catalyst opens the door to determine the absolute configuration of ketal compounds regardless degradation sensitiveness, and also to design extremely–mild metal–free solid–catalysed processes without formal acid protons.
- Published
- 2020
23. Metal-Organic Frameworks as Chemical Nanoreactors: Synthesis and Stabilization of Catalytically Active Metal Species in Confined Spaces
- Author
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European Research Council, Ministerio de Economía y Competitividad (España), Ministerio de Ciencia, Innovación y Universidades (España), Viciano-Chumillas, M., Mon, Marta, Ferrando-Soria, Jesús, Corma, Avelino, Leyva, Antonio, Armentano, Donatella, Pardo, E., European Research Council, Ministerio de Economía y Competitividad (España), Ministerio de Ciencia, Innovación y Universidades (España), Viciano-Chumillas, M., Mon, Marta, Ferrando-Soria, Jesús, Corma, Avelino, Leyva, Antonio, Armentano, Donatella, and Pardo, E.
- Abstract
ConspectusSince the advent of the first metal-organic frameworks (MOFs), we have witnessed an explosion of captivating architectures with exciting physicochemical properties and applications in a wide range of fields. This, in part, can be understood under the light of their rich host-guest chemistry and the possibility to use single-crystal X-ray diffraction (SC-XRD) as a basic characterization tool. Moreover, chemistry on preformed MOFs, applying recent developments in template-directed synthesis and postsynthetic methodologies (PSMs), has shown to be a powerful synthetic tool to (i) tailor MOFs channels of known topology via single-crystal to single-crystal (SC-SC) processes, (ii) impart higher degrees of complexity and heterogeneity within them, and most importantly, (iii) improve their capabilities toward applications with respect to the parent MOFs. However, the unique properties of MOFs have been, somehow, limited and underestimated. This is clearly reflected on the use of MOFs as chemical nanoreactors, which has been barely uncovered. In this Account, we bring together our recent advances on the construction of MOFs with appealing properties to act as chemical nanoreactors and be used to synthesize and stabilize, within their channels, catalytically active species that otherwise could be hardly accessible. First, through two relevant examples, we present the potential of the metalloligand approach to build highly robust and crystalline oxamato- and oxamidato-MOFs with tailored channels, in terms of size, charge and functionality. These are initial requisites to have a playground where we can develop and fully take advantage of singular properties of MOFs as well as visualize/understand the processes that take place within MOFs pores and somehow make structure-functionalities correlations and develop more performant MOFs nanoreactors. Then, we describe how to exploit the unique and singular features that offer each of these MOFs confined space for (i) the inc
- Published
- 2020
24. Glassy PEEK-WC vs. Rubbery Pebax®1657 Polymers: Effect on the Gas Transport in CuNi-MOF Based Mixed Matrix Membranes
- Author
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Esposito, Elisa, primary, Bruno, Rosaria, additional, Monteleone, Marcello, additional, Fuoco, Alessio, additional, Ferrando Soria, Jesús, additional, Pardo, Emilio, additional, Armentano, Donatella, additional, and Jansen, Johannes Carolus, additional
- Published
- 2020
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25. Self-Assembly of Catalytically Active Supramolecular Coordination Compounds within Metal Organic Frameworks
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Universitat Politècnica de València. Instituto Universitario Mixto de Tecnología Química - Institut Universitari Mixt de Tecnologia Química, Universitat Politècnica de València. Departamento de Química - Departament de Química, Fundación BBVA, Universitat de València, Universitat Politècnica de València, Ministerio de Economía y Competitividad, Engineering and Physical Sciences Research Council, Reino Unido, Ministero dell'Istruzione dell'Università e della Ricerca, Italia, Agencia Estatal de Investigación, Adam-Ortiz, Rosa, Mon, M., Greco, Rossella, Kalinke, Lucas H.G., Vidal Moya, José Alejandro, Fernandez, Antonio, Winpenny, Richard E.P., Doménech-Carbó, Antonio, Leyva Perez, Antonio, Armetano, Donatella, Pardo, Emilio, Ferrando-Soria, Jesús, Universitat Politècnica de València. Instituto Universitario Mixto de Tecnología Química - Institut Universitari Mixt de Tecnologia Química, Universitat Politècnica de València. Departamento de Química - Departament de Química, Fundación BBVA, Universitat de València, Universitat Politècnica de València, Ministerio de Economía y Competitividad, Engineering and Physical Sciences Research Council, Reino Unido, Ministero dell'Istruzione dell'Università e della Ricerca, Italia, Agencia Estatal de Investigación, Adam-Ortiz, Rosa, Mon, M., Greco, Rossella, Kalinke, Lucas H.G., Vidal Moya, José Alejandro, Fernandez, Antonio, Winpenny, Richard E.P., Doménech-Carbó, Antonio, Leyva Perez, Antonio, Armetano, Donatella, Pardo, Emilio, and Ferrando-Soria, Jesús
- Abstract
[EN] Supramolecular coordination compounds (SCCs) represent the power of coordination chemistry methodologies to self-assemble discrete architectures with targeted properties. SCCs are generally synthesized in solution, with isolated fully coordinated metal atoms as structural nodes, thus severely limited as metal-based catalysts. Metal-organic frameworks (MOFs) show unique features to act as chemical nanoreactors for the in situ synthesis and stabilization of otherwise not accessible functional species. Here, we present the self-assembly of Pd-II SCCs within the confined space of a pre-formed MOF (SCCs@MOF) and its post-assembly metalation to give a Pd-II-Au-III supra molecular assembly, crystallography underpinned. These SCCs@MOFs catalyze the coupling of boronic acids and/or alkynes, representative multi-site metal-catalyzed reactions in which traditional SCCs tend to decompose, and retain their structural integrity as a consequence of the synergetic hybridization between SCCs and MOFs. These results open new avenues in both the synthesis of novel SCCs and their use in heterogeneous metal-based supramolecular catalysis.
- Published
- 2019
26. Efficient Gas Separation and Transport Mechanism in Rare Hemilabile Metal–Organic Framework
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Universidad de Alicante. Departamento de Química Inorgánica, Universidad de Alicante. Instituto Universitario de Materiales, Mon, Marta, Bruno, Rosaria, Tiburcio, Estefanía, Grau-Atienza, Aida, Sepúlveda-Escribano, Antonio, Ramos-Fernández, Enrique V., Fuoco, Alessio, Esposito, Elisa, Monteleone, Marcello, Jansen, Johannes C., Cano, Joan, Ferrando-Soria, Jesús, Armentano, Donatella, Pardo, Emilio, Universidad de Alicante. Departamento de Química Inorgánica, Universidad de Alicante. Instituto Universitario de Materiales, Mon, Marta, Bruno, Rosaria, Tiburcio, Estefanía, Grau-Atienza, Aida, Sepúlveda-Escribano, Antonio, Ramos-Fernández, Enrique V., Fuoco, Alessio, Esposito, Elisa, Monteleone, Marcello, Jansen, Johannes C., Cano, Joan, Ferrando-Soria, Jesús, Armentano, Donatella, and Pardo, Emilio
- Abstract
Understanding/visualizing the established interactions between gases and adsorbents is mandatory to implement better performance materials in adsorption/separation processes. Here we report the unique behavior of a rare example of a hemilabile chiral three-dimensional metal–organic framework (MOF) with an unprecedented qtz-e-type topology, with formula CuII2(S,S)-hismox·5H2O (1) (hismox = bis[(S)-histidine]oxalyl diamide). 1 exhibits a continuous and reversible breathing behavior, based on the hemilability of carboxylate groups from l-histidine. In situ powder (PXRD) and single crystal X-ray diffraction (SCXRD) using synchrotron radiation allowed us to unveil the crystal structures of four different host–guest adsorbates (Ar@1, N2@1, CO2@1, and C3H6@1), rationalize the breathing motion, and unravel the mechanisms governing the adsorption of these gases. Then this information was transferred to implement efficient separations of mixtures of industrial and environmental relevance, CO2/N2, CO2/CH4, and C3H8/C3H6, using 1 in packed columns as the stationary phase and dispersed in a mixed matrix membrane.
- Published
- 2019
27. Self-Assembly of Catalytically Active Supramolecular Coordination Compounds within Metal-Organic Frameworks
- Author
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Adam, Rosa, Mon, Marta, Greco, R., Kalinke, L.H.G., Vidal-Moya, Alejandro, Fernández, Antonio, Winpenny, Richard E. P., Domènech, Antonio, Leyva, Antonio, Armentano, Donatella, Pardo, Emilio, Ferrando-Soria, Jesús, Adam, Rosa, Mon, Marta, Greco, R., Kalinke, L.H.G., Vidal-Moya, Alejandro, Fernández, Antonio, Winpenny, Richard E. P., Domènech, Antonio, Leyva, Antonio, Armentano, Donatella, Pardo, Emilio, and Ferrando-Soria, Jesús
- Abstract
Supramolecular coordination compounds (SCCs) represent the power of coordination chemistry methodologies to self-assemble discrete architectures with targeted properties. SCCs are generally synthesized in solution, with isolated fully coordinated metal atoms as structural nodes, thus severely limited as metal-based catalysts. Metal-organic frameworks (MOFs) show unique features to act as chemical nanoreactors for the in situ synthesis and stabilization of otherwise not accessible functional species. Here, we present the self-assembly of PdII SCCs within the confined space of a pre-formed MOF (SCCs@MOF) and its post-assembly metalation to give a PdII-AuIII supramolecular assembly, crystallography underpinned. These SCCs@MOFs catalyze the coupling of boronic acids and/or alkynes, representative multi-site metal-catalyzed reactions in which traditional SCCs tend to decompose, and retain their structural integrity as a consequence of the synergetic hybridization between SCCs and MOFs. These results open new avenues in both the synthesis of novel SCCs and their use in heterogeneous metal-based supramolecular catalysis.
- Published
- 2019
28. Synthesis of a chiral rod-like metal–organic framework from a preformed amino acid-based hexanuclear wheel
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Ministerio de Economía y Competitividad (España), Ministero dell'Istruzione, dell'Università e della Ricerca, Armentano, Donatella [0000-0002-8502-8074], Pardo, Emilio [0000-0002-1394-2553], Grancha, Thais, Ferrando-Soria, Jesús, Armentano, Donatella, Pardo, Emilio, Ministerio de Economía y Competitividad (España), Ministero dell'Istruzione, dell'Università e della Ricerca, Armentano, Donatella [0000-0002-8502-8074], Pardo, Emilio [0000-0002-1394-2553], Grancha, Thais, Ferrando-Soria, Jesús, Armentano, Donatella, and Pardo, Emilio
- Abstract
We report the two-step synthesis of a chiral rod-like metal-organic framework (MOF). The chemical approach consists on the use of a previously prepared oxamato-based homochiral hexanuclear wheel, the ligand being a derivative of the natural amino acid l-alanine, with formula (Me4N)6{CuII6[(S)-alama])6}·10H2O (1) [where (S)-alama=(S)-N-(ethyl oxoacetate)alanine]. The anionic hexacopper(II) wheels, stabilized by the presence of templating tetramethylammonium counter-cations, disassemble in the presence of cationic square-planar [Ni(cyclam)]2+ complexes to yield, after a supramolecular reorganization process that involves axial coordination of the [Ni(cyclam)]2+ cations through the free carbonyl groups of the copper(II) moieties, a neutral chiral rod-like, three-dimensional (3D) MOF with formula [Ni(cyclam)][Cu(S)-alama]2·16H2O (2). The resulting MOF constitutes one of the few examples where such a high-nuclearity metal complex is used as precursor for the construction of rod-like MOFs.
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- 2019
29. Subnanometer metal clusters confined in metal-organic frameworks as catalysts for the synthesis of cyclohpetatrienes and derivates
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Pardo, Emilio, Leyba Pérez, Antonio, Ferrando-Soria, Jesús, and Corma, Avelino
- Abstract
La presente invención se refiere a un material híbrido que comprende un MOF de cobre y níquel con ligandos oxamato Ni2 II{NiII 4[CuII 2(Me3mpba)2]3}-54H2O (NiII@MOF) que contiene clústeres metálicos subnanometricos, preferentemente de menos de 7 átomos, confinados en los canales del MOF, a su procedimiento de obtención y a su uso como catalizador en la formación de compuestos de mayor valor añadido, por ejemplo cicloheptatrienos. [ES], The present invention relates to a hybrid material comprising a copper and nickel MOF with oxamate ligands Ni2 II{NiII 4[CuII 2(Me3mpba)2]3}-54H2O (NiII@MOF) containing subnanometer metal clusters, preferably with less than 7 atoms, confined in the channels of the MOF. The invention also relates to the production method thereof and to the use of same as a catalyst in the formation of compounds with higher added value, e.g. cycloheptatrienes. [EN], Universitat de València, Universitat Politècnica de València, Consejo Superior de Investigaciones Científicas (España), A1 Solicitud de patente con informe sobre el estado de la técnica
- Published
- 2018
30. Confined Pt11+ Water Clusters in a MOF Catalyze the Low‐Temperature Water–Gas Shift Reaction with both CO2 Oxygen Atoms Coming from Water
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Universidad de Alicante. Instituto Universitario de Materiales, Rivero-Crespo, Miguel A., Mon, Marta, Ferrando-Soria, Jesús, Lopes, Christian W., Boronat, Mercedes, Leyva-Pérez, Antonio, Corma, Avelino, Hernández-Garrido, Juan C., López-Haro, Miguel, Calvino, Jose J., Ramos-Fernández, Enrique V., Armentano, Donatella, Pardo, Emilio, Universidad de Alicante. Instituto Universitario de Materiales, Rivero-Crespo, Miguel A., Mon, Marta, Ferrando-Soria, Jesús, Lopes, Christian W., Boronat, Mercedes, Leyva-Pérez, Antonio, Corma, Avelino, Hernández-Garrido, Juan C., López-Haro, Miguel, Calvino, Jose J., Ramos-Fernández, Enrique V., Armentano, Donatella, and Pardo, Emilio
- Abstract
The synthesis and reactivity of single metal atoms in a low‐valence state bound to just water, rather than to organic ligands or surfaces, is a major experimental challenge. Herein, we show a gram‐scale wet synthesis of Pt11+ stabilized in a confined space by a crystallographically well‐defined first water sphere, and with a second coordination sphere linked to a metal–organic framework (MOF) through electrostatic and H‐bonding interactions. The role of the water cluster is not only isolating and stabilizing the Pt atoms, but also regulating the charge of the metal and the adsorption of reactants. This is shown for the low‐temperature water–gas shift reaction (WGSR: CO + H2O → CO2 + H2), where both metal coordinated and H‐bonded water molecules trigger a double water attack mechanism to CO and give CO2 with both oxygen atoms coming from water. The stabilized Pt1+ single sites allow performing the WGSR at temperatures as low as 50 °C.
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- 2018
31. Clústeres metálicos subnanométricos confinados en redes metalorgánicas como catalizadores para la síntesis de cicloheptatrienos y derivados
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Pardo, Emilio, Leyba Pérez, Antonio, Ferrando-Soria, Jesús, Corma, Avelino, Pardo, Emilio, Leyba Pérez, Antonio, Ferrando-Soria, Jesús, and Corma, Avelino
- Abstract
La presente invención se refiere a un material híbrido que comprende un MOF de cobre y níquel con ligandos oxamato {IMAGEN-01} que contiene clústeres metálicos subnanométricos, preferentemente de menos de 7 átomos, confinados en los canales del MOF, a su procedimiento de obtención y a su uso como catalizador en la formación de compuestos de mayor valor añadido, por ejemplo cicloheptatrienos
- Published
- 2018
32. Stabilized Ru[(H2O)6]3+ in Confined Spaces (MOFs and Zeolites) Catalyzes the Imination of Primary Alcohols under Atmospheric Conditions with Wide Scope
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Agencia Estatal de Investigación (España), European Commission, European Research Council, Ministerio de Economía y Competitividad (España), Ministerio de Ciencia, Innovación y Universidades (España), Mon, Marta, Adam, Rosa, Ferrando-Soria, Jesús, Corma, Avelino, Armentano, Donatella, Pardo, Emilio, Leyva, Antonio, Agencia Estatal de Investigación (España), European Commission, European Research Council, Ministerio de Economía y Competitividad (España), Ministerio de Ciencia, Innovación y Universidades (España), Mon, Marta, Adam, Rosa, Ferrando-Soria, Jesús, Corma, Avelino, Armentano, Donatella, Pardo, Emilio, and Leyva, Antonio
- Abstract
Imines are ubiquitous intermediates in organic synthesis, and the metal-mediated imination of alcohols is one of the most direct and simple methods for their synthesis. However, reported protocols lack compatibility with many other functional groups since basic supports/media, pure oxygen atmospheres, and/or released hydrogen gas are required during reaction. Here we show that, in contrast to previous metal-catalyzed methods, hexa-aqueous Ru(III) catalyzes the imination of primary alcohols with very wide functional group tolerance, at slightly acid pH and under low oxygen atmospheres. The inorganic metal complex can be supported and stabilized, integrally, within either faujasite-type zeolites (Y and X) or a metal organic framework (MOF), to give a reusable heterogeneous catalyst which provides an industrially viable process well below the flammability limit of alcohols and amines.
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- 2018
33. Dicopper(II) metallacyclophanes with photoswitchable oligoacene spacers: a joint experimental and computational study on molecular magnetic photoswitches
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Ministerio de Economía y Competitividad (España), Agencia Canaria de Investigación, Innovación y Sociedad de la Información, Gobierno de Canarias, Generalitat Valenciana, Castellano, María, Barros, Wdeson P., Ferrando-Soria, Jesús, Julve, Miguel, Lloret, Francesc, Pasán, Jorge, Ruiz-Pérez, Catalina, Cañadillas-Delgado, Laura, Ruiz-García, Rafael, Cano, Joan, Ministerio de Economía y Competitividad (España), Agencia Canaria de Investigación, Innovación y Sociedad de la Información, Gobierno de Canarias, Generalitat Valenciana, Castellano, María, Barros, Wdeson P., Ferrando-Soria, Jesús, Julve, Miguel, Lloret, Francesc, Pasán, Jorge, Ruiz-Pérez, Catalina, Cañadillas-Delgado, Laura, Ruiz-García, Rafael, and Cano, Joan
- Abstract
Dinuclear copper(II) complexes of the metallacyclophane-type, (nBu4N)4[Cu2(2,6-anba)2] (1) and (nBu4N)4[Cu2(1,5-naba)2]·4H2O (2) with photoactive 2,6-anthracene-(2,6-anba) and 1,5-naphthalenebis(oxamate) (1,5-naba) bridging ligands, are reported. They undergo a thermally reversible, solid-state photomagnetic (ON/OFF) switching between the moderately strong antiferromagnetically coupled dicopper(II) species and the corresponding magnetically uncoupled [4+4] photocycloaddition product. Density functional calculations give further insights on the intramolecular (“pseudo-bimolecular”) photocycloaddition reaction of the two facing 2,6-anthracene or 1,5-naphthalene spacers in this novel family of dicopper(II) oligoacenophanes. The unique ability of oligoacenes as photoswitchable antiferromagnetic wires between two CuII ions separated by relatively long intermetallic distances could be the basis for the development of new kinds of molecular spintronic devices, referred to as molecular magnetic switches.
- Published
- 2018
34. Insights into the Dynamics of Grotthuss Mechanism in a Proton- Conducting Chiral bioMOF
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Grancha, Thais, Ferrando-Soria, Jesús, Cano, Joan, Amorós, Pedro, Seoane, Beatriz, Gascón, Jorge, Bazaga-García, Montse, Losilla, Enrique R., Cabeza-Diaz, Aurelio, Armentano, Donatella, and Pardo, Emilio
- Subjects
Proton conductivity ,BioMOF ,Química inorgánica ,Grotthuss Mechanism ,MOF - Abstract
Proton conduction in solids attracts great interest, not only because of possible applications in fuel cell technologies, but also because of the main role of this process in many biological mechanisms. Metal−organic frameworks (MOFs) can exhibit exceptional proton-conduction performances, because of the large number of hydrogen-bonded water molecules embedded in their pores. However, further work remains to be done to elucidate the real conducting mechanism. Among the different MOF subfamilies, bioMOFs, which have been constructed using biomolecule derivatives as building blocks and often affording water-stable materials, emerge as valuable systems to study the transport mechanisms involved in the proton-hopping dynamics. Herein, we report a versatile chiral threedimensional (3D) bioMOF, exhibiting permanent porosity, as well as high chemical, structural, and water stability. Moreover, the choice of this suitable bioligand results in proton conductivity, and allows us to propose a proton-conducting mechanism based on experimental data, which are displayed visually by means of quantum molecular dynamics simulations.
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- 2016
35. Fine-tuning of the confined space in microporous metal–organic frameworks for efficient mercury removal
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Universidad de Alicante. Departamento de Química Inorgánica, Universidad de Alicante. Instituto Universitario de Materiales, Mon, Marta, Qu, Xiaoni, Ferrando-Soria, Jesús, Pellicer-Carreño, Isaac, Sepúlveda-Escribano, Antonio, Ramos-Fernández, Enrique V., Jansen, Johannes C., Armentano, Donatella, Pardo, Emilio, Universidad de Alicante. Departamento de Química Inorgánica, Universidad de Alicante. Instituto Universitario de Materiales, Mon, Marta, Qu, Xiaoni, Ferrando-Soria, Jesús, Pellicer-Carreño, Isaac, Sepúlveda-Escribano, Antonio, Ramos-Fernández, Enrique V., Jansen, Johannes C., Armentano, Donatella, and Pardo, Emilio
- Abstract
Offsetting the impact of human activities on the biogeochemical cycle of mercury has become necessary for a sustainable planet. Herein, we report the development of a water-stable and eco-friendly metal–organic framework, which has the formula {Cu4II[(S,S)-methox]2}·5H2O (1), where methox is bis[(S)-methionine]oxalyl diamide. Its features include narrow functional channels decorated with thioalkyl chains, which are able to capture HgCl2 from aqueous media in an efficient, selective, and rapid manner. The conscious design effort in terms of size, shape, and reactivity of the channels results in extremely efficient immobilization of HgCl2 guest species in a very stable conformation, similar to that of the enzyme mercury reductase. Thus, 1 enables the highly efficient removal of toxic HgCl2 from aqueous media and reduces the [Hg2+] concentration from the dangerous level of 10 ppm to acceptable limits of below 2 ppb in drinking water. The unusual combination of a low-cost straightforward synthetic procedure and high stability under environmental conditions, together with its ability to efficiently and rapidly remove poisonous mercury ions, places 1 among the most attractive adsorbents reported to date for the purification of contaminated water.
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- 2017
36. Tuning the selectivity of light hydrocarbons in natural gas in a family of isoreticular MOFs
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Universidad de Alicante. Instituto Universitario de Materiales, Grancha, Thais, Mon, Marta, Ferrando-Soria, Jesús, Gascon, Jorge, Seoane, Beatriz, Ramos-Fernández, Enrique V., Armentano, Donatella, Pardo, Emilio, Universidad de Alicante. Instituto Universitario de Materiales, Grancha, Thais, Mon, Marta, Ferrando-Soria, Jesús, Gascon, Jorge, Seoane, Beatriz, Ramos-Fernández, Enrique V., Armentano, Donatella, and Pardo, Emilio
- Abstract
Purification of methane from other light hydrocarbons in natural gas is a topic of intense research due to its fundamental importance in the utilization of natural gas fields. Porous materials have emerged as excellent alternative platforms to conventional cryogenic methodologies to perform this task in a cost- and energy-efficient manner. Here we report a new family of isoreticular chiral MOFs, prepared from oxamidato ligands derived from natural amino acids L-alanine, L-valine and L-leucine, where, by increasing the length of the alkyl residue of the amino acid, the charge density of the MOF's channels can be tuned (1 > 2 > 3), decreasing the adsorption preference towards methane over light hydrocarbons thus improving this purification process. The validity of our rational design strategy has been proved by a combination of single-component adsorption isotherms, adsorption kinetics of CH4, C2H6, C3H8 and n-C4H10, and breakthrough experiments of binary CH4/C2H6 and CH4/C3H8 mixtures.
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- 2017
37. A modular design of molecular qubits to implement universal quantum gates
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Ferrando-Soria, Jesús, primary, Moreno Pineda, Eufemio, additional, Chiesa, Alessandro, additional, Fernandez, Antonio, additional, Magee, Samantha A., additional, Carretta, Stefano, additional, Santini, Paolo, additional, Vitorica-Yrezabal, Iñigo J., additional, Tuna, Floriana, additional, Timco, Grigore A., additional, McInnes, Eric J.L., additional, and Winpenny, Richard E.P., additional
- Published
- 2016
- Full Text
- View/download PDF
38. Síntesis de nuevos materiales magnéticos multifuncionales con ligandos aromáticos polioxamato
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Ferrando Soria, Jesús, Pardo Marín, Emilio, Lloret Pastor, Francisco, and Departament de Química Inorgànica
- Subjects
UNESCO::QUÍMICA::Química inorgánica ,Química Inorganica ,UNESCO::QUÍMICA ,QUÍMICA::Química inorgánica [UNESCO] ,QUÍMICA [UNESCO] - Abstract
The main goal of this Ph.D thesis concerns the synthesis of multifunctional magnetic coordination polymers with oxamato ligands, which is one of the most challenging topics for chemists and physicists working together in the multidisciplinary field of materials chemistry. In order to do so, we have taken advantage of the new developments of metallosupramolecular chemistry, in particular the molecular-programmed self-assembly methods that exploit the coordination preferences of metal ions and specifically tailored ligands. In this sense, the judicious choice of the appropriate oxamato-based metal building block (substitution pattern and steric requirements of the bridging ligand, as well as the electronic configuration and magnetic anisotropy of the metal ion) allowed us to control the different structural topologies as well as the interesting and predictable magnetic properties in the final compounds. Interestingly, most of the synthesized coordination polymers are anionic. Thus, we can, tentatively, insert an additional physical property (to the magnetic ones) by using the appropriate countercation. The results obtained along this Ph.D thesis are divided in three different chapters according to the dimensionality of the coordination polymer. Furthermore, each chapter is subdivided in two parts (A and B) depending on the properties exhibited by the compounds (Chapter I) and the nature of the precursor used to synthesized the coordination polymers (Chapters II and III). Chapter I has been divided in two parts in accordance with the properties of the one-dimensional compounds. Thus, in the first part we present the synthesis of a new family of neutral oxamato-bridged heterobimetallic chains MIICuII (M = Mn and Co) prepared by treating the corresponding anionic oxamatocopper(II) complexes with 3d cations using DMF or DMSO as solvents. Interestingly, this family of heterobimetallic chains provides several examples of Single Chain Magnets (SCMs), where the nature of the corresponding transition metal as well as the substitution pattern of the bridging ligand on the SCM behaviour were studied. In the second part of this chapter we prepared a new series of neutral oxamato-bridged heterobimetallic chiral chains MIICuII (M = Mn and Co), where only the enantiopure CoIICuII chains showed slow magnetic relaxation at low temperatures, which is characteristic of SCMs. Furthermore, solid circular dichroism (CD) spectra of the bimetallic chain compounds were recorded in order to establish their chiral and enantiomeric nature. As each couple of enantiomeric chains are non superimposable mirror images, they exhibit maximum positive and negative Cotton effects, constituting the first examples of enantiopure SCMs. In the second chapter, we present several two- (2D) and three-dimensional (3D) coordination polymers exhibiting different architectures and magnetic properties, that can somehow be controlled by means of the appropriate choice of the precursor and the metal ion used to build them. Furthermore, we present for the first time in oxamato-based compounds the porous properties of some of them. At this respect, in the first part of this chapter we explain the influence of the metal ions and the monooxamatocopper(II) complexes on the topology and the magnetic properties of the synthesized coordination polymers. In the second part we describe a family of heterobimetallic MIICuII (M = Mn and Co) bidimensional coordination polymers obtained by reaction of the corresponding dinuclear bis-oxamatocopper(II) complexes with the metal ions. Additionally, in this family we studied the influence of the substitution pattern of the bridging ligand on the magnetic properties. The last chapter is devoted to the introduction of multifunctionality in oxamato-based systems. It has been divided again in two parts in accordance with the nature of the precursor used to synthesize the multifunctional coordination polymer. Anyway both parts have a common background consisting on the use of the complex as ligand strategy in order to build the anionic inorganic network, the other physical property being brought by the organic countercation. At this respect, in the first part we focus on the use the monooxamatocopper(II) precursor complexes with different functional countercations, which added the new property, toward manganese(II) ions to obtain the corresponding bi- and tridimensional compounds that encapsulate the non-innocent counteractions. Similarly, in the second part we describe the synthesis of the same kind of multifunctional 2D and 3D polymers by using dinuclear oxamato-copper(II) precursors instead of the mononuclear ones. For example, herein we report the first oxamato-based examples of: (i) chiral magnets, (ii) luminescent magnets, (iii) porous magnets showing sorption properties and (iv) a porous magnet showing a solvatomagnetic switching.
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- 2012
39. >3 + 1 = 6 + 2> In Cu(ii) coordination chemistry of 1H-pyrazole aza cryptands
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Pitarch-Jarque, Javier, Belda, Raquel, Lloret, Francesc, Ferrando-Soria, Jesús, Navarro Torres, Pilar, Lopera, Alberto, García-España, Enrique, Pitarch-Jarque, Javier, Belda, Raquel, Lloret, Francesc, Ferrando-Soria, Jesús, Navarro Torres, Pilar, Lopera, Alberto, and García-España, Enrique
- Abstract
A polyazamacrocycle formed from two tris(2-aminoethyl)amine units connected by 1H-pyrazole units shows unique hexanuclear Cu(ii) complexes by combination of two binuclear Cu(ii) cryptand complexes through pyrazolate moieties belonging to both cryptands. The formation of these dimeric entities has been proven both in solution by potentiometric studies and mass spectroscopy and in the solid state by X-ray diffraction of crystals of three different batches of formulae [Cu6(H-3L)2(H2O)2](TsO)6·22H2O (2), [Cu6(H-3L)2(NO3)2](NO3)4·2H2O (3) and [Cu6(H-3L)2Cl2]Cl4·(C4H5N3O2)2·14.35H2O (4). The hexanuclear unit in 2 and 4 can be viewed like three magnetically independent binuclear complexes with J = -366(3) cm-1, g = 2.08(1) for 2 and J = -360(3) cm-1, g = 2.07(1) for 4. This journal is
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- 2015
40. Corrigendum to “The oxamate route, a versatile post-functionalization for metal incorporation in MIL-101(Cr): Catalytic applications of Cu, Pd, and Au” [J. Catal. 307 (2013) 295–304]
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Juan-Alcañiz, Jana, primary, Ferrando-Soria, Jesús, additional, Luz, Ignacio, additional, Serra-Crespo, Pablo, additional, Skupien, Emmanuel, additional, Santos, Vera P., additional, Pardo, Emilio, additional, Llabrés i Xamena, Francesc X., additional, Kapteijn, Freek, additional, and Gascon, Jorge, additional
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- 2014
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41. Self-assembly of a chiral three-dimensional manganese(II)-copper(II) coordination polymer with a double helical architecture
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Ministerio de Ciencia e Innovación (España), Generalitat Valenciana, Universidad de Valencia, Factoría Española de Cristalización, Ferrando-Soria, Jesús, Julve, Miguel, Lloret, Francesc, Pasán, Jorge, Ruiz-Pérez, Catalina, Fabelo, Oscar, Pardo, Emilio, Ministerio de Ciencia e Innovación (España), Generalitat Valenciana, Universidad de Valencia, Factoría Española de Cristalización, Ferrando-Soria, Jesús, Julve, Miguel, Lloret, Francesc, Pasán, Jorge, Ruiz-Pérez, Catalina, Fabelo, Oscar, and Pardo, Emilio
- Abstract
The use of the anionic dicopper(ii) complex, [CuII(mpba) 2]4- [mpba = N,N′-1,3-phenylenebis(oxamate)], as tetrakis(bidentate) metalloligand toward MnII ions in the presence of oxalate and the chiral (S)-trimethyl-(1-phenylethyl)ammonium cation affords the first example of a mixed oxalato/oxamato-based chiral 3D metal-organic polymer. © 2013 The Royal Society of Chemistry.
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- 2013
42. Influence of the alkaline earth cations on the topology of MII/CuII mixed-metal-organic frameworks (M = Ca, Sr and Ba)
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Ferrando-Soria, Jesús, Pasán, Jorge, Ruiz-Pérez, Catalina, Fabelo, Oscar, Ferrando-Soria, Jesús, Pasán, Jorge, Ruiz-Pérez, Catalina, and Fabelo, Oscar
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The use of the mononuclear copper(ii) complex, [Cu II(Me 2pma) 2] 2- (Me 2pma = N-2,6-dimethylphenyloxamate), as a bis(bidentate) metalloligand toward solvated alkaline earth metal cations affords a new series of oxamato-bridged heterobimetallic two-dimensional compounds with mixed square-octagonal [Ca II 2Cu II 3] or square [M II 2Cu II 3] (M = Sr and Ba) layered structures of (4·82) and (44·62) net topologies, respectively. © 2012 The Royal Society of Chemistry.
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- 2012
43. Photoswitching of the antiferromagnetic coupling in an oxamato-based dicopper(II) anthracenophane
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Castellano, María, Ferrando-Soria, Jesús, Pardo, Emilio, Pasán, Jorge, Ruiz-Pérez, Catalina, Cañadillas-Delgado, Laura, Castellano, María, Ferrando-Soria, Jesús, Pardo, Emilio, Pasán, Jorge, Ruiz-Pérez, Catalina, and Cañadillas-Delgado, Laura
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Thermally reversible photomagnetic (ON/OFF) switching behavior has been observed in a dinuclear oxamatocopper(ii) anthracenophane upon UV light irradiation and heating; the two CuII ions (SCu = 1/2) that are antiferromagnetically coupled in the dicopper(ii) metallacyclic precursor (ON state) become uncoupled in the corresponding [4+4] photocycloaddition product (OFF state), as substantiated from both experimental and theoretical studies. © 2011 The Royal Society of Chemistry.
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- 2011
44. Oligo-m-phenyleneoxalamide Copper(II) Mesocates as Electro-Switchable Ferromagnetic Metal–Organic Wires
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Pardo, Emilio, Ferrando-Soria, Jesús, Cañadillas-Delgado, Laura, Pasán, Jorge, Ruiz-Pérez, Catalina, Pardo, Emilio, Ferrando-Soria, Jesús, Cañadillas-Delgado, Laura, Pasán, Jorge, and Ruiz-Pérez, Catalina
- Abstract
Double-stranded copper(II) string complexes of varying nuclearity, from di- to tetranuclear species, have been prepared by the CuII-mediated self-assembly of a novel family of linear homo- and heteropolytopic ligands that contain two outer oxamato and either zero (1 b), one (2 b), or two (3 b) inner oxamidato donor groups separated by rigid 2-methyl-1,3-phenylene spacers. The X-ray crystal structures of these CuIIn complexes (n=2 (1 d), 3 (2 d), and 4 (3 d)) show a linear array of metal atoms with an overall twisted coordination geometry for both the outer CuN2O2 and inner CuN4 chromophores. Two such nonplanar all-syn bridging ligands 1 b–3 b in an anti arrangement clamp around the metal centers with alternating M and P helical chiralities to afford an overall double meso-helicate-type architecture for 1 d–3 d. Variable-temperature (2.0–300 K) magnetic susceptibility and variable-field (0–5.0 T) magnetization measurements for 1 d–3 d show the occurrence of S=nSCu (n=2–4) high-spin ground states that arise from the moderate ferromagnetic coupling between the unpaired electrons of the linearly disposed CuII ions (SCu=1/2) through the two anti m-phenylenediamidate-type bridges (J values in the range of +15.0 to 16.8 cm−1). Density functional theory (DFT) calculations for 1 d–3 d evidence a sign alternation of the spin density in the meta-substituted phenylene spacers in agreement with a spin polarization exchange mechanism along the linear metal array with overall intermetallic distances between terminal metal centers in the range of 0.7–2.2 nm. Cyclic voltammetry (CV) and rotating-disk electrode (RDE) electrochemical measurements for 1 d–3 d show several reversible or quasireversible one- or two-electron steps that involve the consecutive metal-centered oxidation of the inner and outer CuII ions (SCu=1/2) to diamagnetic CuIII ones (SCu=0) at relatively low formal potentials (E values in the range of +0.14 to 0.25 V and of +0.43 to 0.67 V vs. SCE, respectively). Furthe
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- 2010
45. Tuning the Spin Ground State in Heterononanuclear Nickel(II)−Copper(II) Cylinders with a Triangular Metallacyclophane Core
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Dul, Marie-Claire, Ferrando-Soria, Jesús, Pardo, Emilio, Fabelo, Oscar, Pasán, Jorge, Ruiz-Pérez, Catalina, Dul, Marie-Claire, Ferrando-Soria, Jesús, Pardo, Emilio, Fabelo, Oscar, Pasán, Jorge, and Ruiz-Pérez, Catalina
- Abstract
Two new heterometallic NiIInCuII(9−n) complexes [n = 1 (2) and 2 (3)] have been synthesized following a multicomponent self-assembly process from a n:(3 − n):2:6 stoichiometric mixture of Ni2+, Cu2+, L6−, and [CuL′]2+, where L and L′ are the bridging and blocking ligands 1,3,5-benzenetris(oxamate) and N,N,N′,N′′,N′′-pentamethyldiethylenetriamine, respectively. Complexes 2 and 3 possess a unique cyclindrical architecture formed by three oxamato-bridged trinuclear linear units connected through two 1,3,5-substituted benzenetris(amidate) bridges, giving a triangular metallacyclophane core. They behave as a ferromagnetically coupled trimer of two (2)/one (3) S = 1/2 CuII3 plus one (2)/two (3) S = 0 NiIICuII2 linear units with overall S = 1 NiIICuII8 (2) and S = 1/2 NiII2CuII7 (3) ground states.
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- 2010
46. Slow relaxation of the magnetization in Oximato-bridged heterobimetallic Copper(II)-Manganese(III) chains
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Ruiz, Rafael, primary, Castro, Isabel, additional, Pardo, Emilio, additional, Ferrando-Soria, Jesús, additional, Cano, Joan, additional, Lloret, Francesc, additional, and Julve, Miguel, additional
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- 2011
- Full Text
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47. Reticular Metal-Organic Frameworks for sustainable applications
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Negro Ruiz, Cristina, Pardo Marín, Emilio, Ferrando Soria, Jesús, and Departament de Química Inorgànica
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catalysis ,UNESCO::QUÍMICA ,water decontamination ,multivariate MOFs (MTV-MOFs) ,metal-organic frameworks - Abstract
La presente tesis doctoral se ha realizado mediante compendio de publicaciones en cumplimiento con las normativas establecidas por la Universidad de Valencia, según lo dispuesto en el reglamento ACGUV 266/2011 referente al depósito, evaluación y defensa de tesis doctorales, con la última actualización correspondiente al 31 de Octubre de 2017. El trabajo se encuentra estructurado en tres capitulos principales, seguidos de un capítulo final que engloba las conclusiones obtenidas a partir de los resultados de la investigación, así como los planes y perspectivas para trabajos futuros. El capitulo 1 proporciona un contexto general sobre los materiales abordados en esta tesis: Metal-Organic Frameworks (MOFs) basados en oxamidato. Se presenta una breve revision histórica que abarca desde los orígenes de la química de coordinación hasta los MOFs, destacando la importancia de la química reticular y el creciente interés en el campo de los MOFs. También se describen las metodologías sintéticas y de caracterización más comunes, junto con las propiedades físico-químicas más destacadas de los MOFs. Entre estas propiedades, destacan su alta porosidad y cristalinidad, lo que les permite presentar grandes áreas superficiales y volúmenes de poro, y ser caracterizados mediante técnicas de difracción de rayos X. Además, se resalta la interesante química host-guest de estos materiales, que puede ser controlada a través del tamaño, forma y reactividad de los poros. Esto los convierte en candidatos ideales para preparar materiales multifuncionales con aplicaciones endiversas áreas tecnológicas, como se describe con ejemplos representativos en detalle. En este capitulo se enfatiza especialmente el papel clave de los MOFs Multivariantes (MTV-MOFs) debido a sus propiedades y aplicaciones únicas. Finalmente, se describe el trabajo previo relacionado realizado dentro de mi grupo de investigación, justificando la elección de la estrategia sintética utilizada y demostrando las ventajas que posee el uso de ligandos basados en oxamidato derivados de aminoácidos para obtener nuevos materiales quirales, estables en agua y con una rica diversidad estructural. En los capítulos 2 y 3, se presentan los principales resultados obtenidos de esta tesis, los cuales han sido publicados en importantes revistas científicas. En el capítulo 2, se persiguieron dos objetivos. En primer lugar, se estudió el cambio en la reactividad de los catalizadores organometálicos con el fin de entender la naturaleza de las especies catalíticamente activas y los mecanismos de reacción, aprovechando los efectos de restricción estérica inducidos por el MOF. En segundo lugar, se exploraron los efectos de la funcionalización de los canales con más de un residuo de aminoácido distinto en reacciones catalíticas de relevancia industrial, inspirados en los centros activos de las enzimas, donde diferentes funcionalidades orgánicas pueden actuar sinérgicamente para mejorar la eficiencia catalítica. En el capítulo 3, se aprovechó la rica química host-guest de estos MOFs para la captura eficiente de algunos de los contaminantes orgánicos más comunes encontrados en ambientes acuáticos, como tintes orgánicos e insecticidas neonicotinoides (NEOs). En ambos capítulos se investigó el efecto de diferentes grupos funcionales para introducir nuevas o mejoradas propiedades físicas, así como su uso como catalizadores heterogéneos y para la captura de contaminantes en agua, respectivamente. Se destacó la importancia de la alta cristalinidad de este tipo de materiales para descubrir lo que sucede dentro de los poros a través de la difracción de rayos X de monocristal (SCXRD), ya que las estructuras cristalinas de los agregados host-guest proporcionaron evidencia de las interacciones sinérgicas entre los diferentes grupos funcionales de los MOFs y los huéspedes, permitiéndo comprender las propiedades excepcionales de estos materiales. En general, se llevaron a cabo los siguientes pasos: • Diseño y síntesis de proligandos basados en oxamidato derivados de aminoácidos naturales enantiopuros capaces de coordinar Cu(II) y producir los precursores de dicobre(II) trans-oxamidato. • Síntesis de MOFs y MTV-MOFs utilizando diferentes precursores de oxamidato, tanto en polvo como en monocristales. • Estudio de las propiedades de los MOFs y MTV-MOFs obtenidos, analizando el efecto de la presencia de diferentes grupos funcionales para mejorar sus propiedades físicas o introducir nuevas funcionalidades. • Estudio de su uso para la captura de contaminantes orgánicos en agua y como catalizadores heterogéneos, ya sea mediante la síntesis de MOFs catalíticamente activos que contienen complejos metálicos utilizando Métodos Post-Sintéticos (PSMs) o mediante su uso como plantillas para catalizar reacciones. Los materiales obtenidos se caracterizaron mediante técnicas como espectroscopía infrarroja (IR), resonancia magnética nuclear (RMN), análisis termogravimétrico (TGA), difracción de rayos X de polvo (PXRD), adsorción de N2 y CO2 y microscopía electrónica de barrido (SEM). Sin embargo, la resolución de las estructuras cristalinas mediante SCXRD, así como los estudios de la actividad catalítica y los métodos analíticos de extracción en fase sólida (SPE) fueron realizados por el resto de coautores. The main objective of this thesis is to design and synthesize new multifunctional Metal-Organic Frameworks (MOFs) and multivariate MOFs (MTV-MOFs) for two purposes: first, to reduce the level of pollutants in aquatic ecosystems to meet the acceptable standards set by the World Health Organization (WHO), and second, to use them as heterogeneous catalysts to carry out reactions in a more sustainable way. To achieve this objective, functionalized oxamidato derivatives were used to build high-dimensional MOFs through the metalloligand strategy. In particular, dinuclear CuII complexes were employed as metalloligands to assemble heterobimetallic three- dimensional (3D) MOFs with functional pores decorated with amino acid residues, which provide flexibility to the framework, thereby influencing the properties and potential applications of these materials. In general, the following steps were carried out: • Design and synthesis of oxamidato-based proligands derived from enantiopure natural amino acids that can coordinate Cu(II) to yield trans-oxamidato dicopper(II) precursors. • Synthesis of water-stable oxamidato-based MOFs and MTV-MOFs with different oxamidato precursors, either in polycrystalline powder or in single crystals. • Study the properties of the MOFs and MTV-MOFs obtained. In particular, investigating the effect of different functional groups to introduce new or improved physical properties. • Study of their use for capturing pollutants in water and as heterogeneous catalysts, either by synthesizing catalytically active MOFs containing metal complexes using Post-Synthetic Methodologies (PSMs) or by using them as templates to catalyze reactions. The physical characterization of the obtained materials has been performed using infrared spectroscopy (IR), nuclear magnetic resonance (NMR), termogravimetric analysis (TGA), powder X-ray diffraction (PXRD), N2 and CO2 adsorption, and scanning electron microscopy (SEM). However, the resolution of crystal structures through single cristal X-ray diffraction (SCXRD), as well as studies of catalytic activity and solid-phase extraction (SPE), were carried out in collaboration with other research groups. For clarity, the thesis is divided into the following sections: Chapter 1 provides a general context to the materials developed during this thesis, that is, oxamidato-based MOFs. In this chapter, an overview entitled “From Coordination Chemistry to Reticular Chemistry” is presented, which focuses on the increasing interest in the field of MOFs. The most common synthetic and characterization methodologies are also briefly described, and the most remarkable properties of MOFs are discussed, with representative examples described in more detail. Additionally, a particular and emerging type of MOF, the so-called Multivariate MOFs (MTV-MOFs), is highlighted, as it shows unique properties and applications and has played a key role in this thesis. Finally, the related previous work developed within my research group is also described, emphasizing the advantages of using oxamidato-based ligands derived from amino acids to build up 3D MOFs through the metalloligand approach. Chapters 2 and 3 present the main results obtained during this thesis, which have been collected and published in some important scientific journals. In chapter 2, two objectives were pursued. Firstly, the change in reactivity in organometallic catalysts was studied to reveal the nature of catalytically active species and reaction mechanisms, taking advantage of the steric constraint effects induced by the MOF network. Secondly, drawing inspiration from the active centers of enzymes, where different organic functionalities can act synergetically, the effects on catalytic reactions of industrialrelevance when functional channels are decorated with more than one distinct amino acid residues were explored. In chapter 3, the rich host-guest chemistry of these MOFs was exploited for the efficient capture of some of the most common organic contaminants found in aquatic environments, such as organic dyes and neonicotinoids insecticides (NEOs). The crystal structures of the host-guest aggregates provided evidence of the synergistic interactions between the different functional groups of the MOFs and the guest contaminants, allowing us to understand the exceptional capture properties of these materials. Finally, chapter 4 presents the conclusions, as well as plans for future work and perspectives.
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- 2023
48. Polímeros de coordinación porosos biocompatibles y su aplicación en catálisis y remediación ambiental
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Escamilla Berenguer, Paula Sara, Pardo Marín, Emilio José, Ferrando Soria, Jesús, and Departament de Química Inorgànica
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química de coordinación ,UNESCO::QUÍMICA ,química huésped-anfitrión ,ciencia de materiales ,MOFs ,materiales porosos - Abstract
Esta tesis se enmarca en el campo de la Ciencia de Materiales y la Química de Coordinación, ya que se centra en el diseño de nuevos materiales porosos. Específicamente, explora la síntesis, caracterización y aplicaciones de nuevos Marcos Metal-Orgánicos (MOFs) basados en zinc. En general, los principales objetivos de esta tesis son dos. En primer lugar, obtener y caracterizar nuevos polímeros de coordinación porosos (MOFs) ensamblados con ligandos oxamidato derivados de biomoléculas como aminoácidos, así como metales biocompatibles como el zinc. En segundo lugar, estudiar las propiedades y aplicaciones potenciales de estos materiales. En este sentido, se pretende proporcionar ejemplos de aplicaciones prácticas que muestren el potencial de estos nuevos MOFs, enfatizando así la importancia de estos compuestos en diferentes áreas tecnológicas. Los resultados obtenidos tienen como objetivo contribuir a la expansión del conocimiento dentro de mi grupo de investigación en relación a la síntesis de nuevos MOFs. Para lograr estos objetivos, se han llevado a cabo las siguientes tareas: (i) Diseñar procedimientos sintéticos adecuados para obtener MOFs a gran escala (polvo microcristalino) y monocristales, lo que permite su caracterización mediante difracción de rayos X de monocristal. Para este propósito, se han utilizado métodos de precipitación directa y métodos de difusión lenta, respectivamente. (ii) Estudiar las características físicas y químicas de los nuevos materiales obtenidos para poder aplicarlos en campos donde puedan mostrar un mejor rendimiento. Para ello, se han empleado varias técnicas de caracterización comúnmente utilizadas para este tipo de compuestos. Estas técnicas incluyen difracción de rayos X de monocristal (SCXRD), difracción de rayos X de polvo (PXRD), análisis elemental (EA), espectroscopía infrarroja (FT-IR), análisis termogravimétrico (TGA) y adsorción de N2. (iii) Explorar las posibles propiedades físicas y químicas de los materiales recién sintetizados y las aplicaciones que puedan surgir a partir de ellos. Cabe destacar que algunos de estos estudios se han llevado a cabo en colaboración con otros grupos de investigación. En particular, las mediciones catalíticas se han realizado en colaboración con el profesor Antonio Leyva (UPV-CSIC), y la resolución estructural se ha llevado a cabo en colaboración con la profesora Donatella Armentano de la Universidad de Calabria (Italia). Los resultados obtenidos en este trabajo se clasifican en tres capítulos diferentes. En el capítulo 2, se presenta un nuevo MOF a base de zinc (ZnII2-serimox) que es amigable con el medio ambiente, estable en agua y derivado del aminoácido natural L-serina. Este MOF fue capaz de degradar eficientemente soluciones acuosas del colorante verde brillante en tan solo 120 minutos mediante fotocatálisis. La degradación total se siguió mediante espectroscopía UV-Vis y se confirmó mediante cristalografía de rayos X de monocristal, revelando la presencia de CO2 dentro de sus canales. Estudios de reutilización demuestran la robustez estructural y de rendimiento de ZnII2-serimox. En el capítulo 3, se presenta un nuevo MOF a base de zinc derivado del aminoácido S-metil-L-cisteína (CaIIZnII6-Mecysmox), que posee canales funcionales capaces de acomodar e interactuar con antibióticos y catalizar la hidrólisis selectiva de los antibióticos penicilínicos amoxicilina y ceftriaxona. En particular, el MOF CaIIZnII6-Mecysmox degrada eficientemente el anillo β-lactámico de cuatro miembros de la amoxicilina, actuando como un mimético de la β-lactamasa y ampliando el número muy limitado de MOFs capaces de imitar procesos enzimáticos catalíticos. Estudios combinados de difracción de rayos X de monocristal y cálculos funcionales de densidad (DFT) ofrecen información única sobre las interacciones entre los huéspedes y las moléculas de amoxicilina en los canales funcionales de CaIIZnII6-Mecysmox. Esto permite proponer un mecanismo de degradación basado en la activación de una molécula de agua promovida por un grupo hidroxilo puente de zinc, que ataca de forma nucleofílica el grupo carbonilo y rompe el enlace C-N del anillo lactámico. En el capítulo 4, se presenta otro MOF a base de zinc, isoreticular al mostrado en el capítulo 3, pero con una pequeña diferencia en su composición: la sustitución de los cationes de Ca(II) por cationes de Sr(II), lo que ha resultado en una mayor robustez del material. Aprovechando las propiedades catalíticas de los átomos de Zn(II) y los espacios confinados que esta estructura ofrece, incluyendo el tamaño poroso y los sitios metálicos abiertos disponibles, este MOF fue capaz de catalizar la cicloadición del óxido de etileno y el óxido de propileno con CO2 para obtener carbonatos de etileno y propileno, con rendimientos de hasta el 95% y selectividad completa. Estos resultados confirman aún más el poder catalítico que los MOFs tienen en la síntesis selectiva de productos industrialmente relevantes, proporcionando una alternativa atractiva a los catalizadores heterogéneos actuales. This thesis falls within the field of Materials Science and Coordination Chemistry, as it focuses on the design of new porous materials. Specifically, it explores the synthesis, characterization, and applications of new Zn-based Metal-Organic Frameworks (MOFs). In general, the main objectives of this thesis are twofold. Firstly, to obtain and characterize new porous coordination polymers (MOFs) assembled with oxamidate ligands derived from biomolecules such as amino acids, as well as biocompatible metals like zinc. Secondly, to study the properties and potential applications of these materials. In this sense, I aim to provide real-life examples showcasing the potential applications of these new MOFs, thereby emphasizing the significance of these compounds in different technological areas. The obtained results are intended to contribute to the expansion of knowledge within my research group regarding the synthesis of novel MOFs. To achieve these objectives, the following tasks have been carried out: (i) Designing suitable synthetic procedures to obtain MOFs on a large scale (microcrystalline powder) and single crystals, thereby enabling their characterization through single-crystal X-ray diffraction. For this purpose, direct precipitation methods and slow diffusion methods have been employed, respectively. (ii) To study the physical and chemical characteristics of the newly obtained materials in order to apply them in fields where they can demonstrate better performance, several commonly used characterization techniques for these types of compounds have been employed. These techniques include single-crystal X-ray diffraction (SCXRD), powder X-ray diffraction (PXRD), elemental analysis (EA), infrared spectroscopy (FT-IR), thermogravimetric analysis (TGA) and N2 adsorption. (iii) Explore the potential physical and chemical properties of the newly synthesized materials and the applications that may arise from them. It is worth noting that some of these studies have been conducted in collaboration with other research groups. In particular, catalytic measurements have been carried out in collaboration with Professor Antonio Leyva (UPV-CSIC), and structural resolution has been conducted in collaboration with Professor Donatella Armentano from the University of Calabria (Italy). The results obtained in this work are classified intro three different chapters. In chapter 2, it is present a novel bio-friendly water-stable Zn-based MOF (ZnII2-serimox), derived from the natural amino acid L-serine, which was able to efficiently photodegrade water solutions of brilliant green dye in only 120 min. The total degradation was followed by UV-Vis spectroscopy and further confirmed by single-crystal X-ray crystallography, revealing the presence of CO2 within its channels. Reusability studies further demonstrate the structural and performance robustness of ZnII2-serimox. In chapter 3, a novel Zn-based metal–organic framework derived from the amino acid S-methyl-L-cysteine is presented (CaIIZnII6-Mecysmox), possessing functional channels capable to accommodate and interact with antibiotics, which catalyze the selective hydrolysis of the penicillinic antibiotics amoxicillin and ceftriaxone. In particular, MOF CaIIZnII6-Mecysmox degrades, very efficiently, the four-membered β-lactam ring of amoxicillin, acting as a β-lactamase mimic, expanding the very limited number of MOFs capable of mimicking catalytic enzymatic processes. Combined single crystal X-ray diffraction (SCXRD) studies and density functional (DFT) calculations offer unique snapshots on the host guest-interactions established between amoxicillin and the functional channels of CaIIZnII6-Mecysmox. This allows to propose a degradation mechanism based on the activation of a water molecule, promoted by a Zn-bridging hydroxyl group, concertedly to the nucleophilic attack to the carbonyl moiety and the cleaving of C-N bond of the lactam ring. In chapter 4, another Zn-based metal-organic framework isoreticular to the previous one shown in chapter 3 is presented (SrIIZnII6-Mecysmox) with a slight different in composition- the substitution of Ca(II) cations with Sr(II) ones- which has resulted in enhanced robustness of the material. Taking advantage of the catalytic properties of Zn(II) atoms and the confined spaces that this structure offer, porous size and available open metal sites, this MOF was able to catalyze the cycloaddition of ethylene oxide and propylene oxide with CO2 to obtain ethylene and propylene carbonates, obtaining yields up to 95% and complete selectivity. These results further confirm the catalytic power that MOFs have in selective syntheses of industrially relevant products, providing an appealing alternative to the current heterogeneous catalysts.
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- 2023
49. Polímeros de coordinación porosos como reactores químicos para nuevos materiales avanzados: química en espacios confinados
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Tiburcio, Estefanía, Pardo Marín, Emilio, Ferrando Soria, Jesús, and Departament de Química Inorgànica
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nanomateriales ,UNESCO::QUÍMICA::Química inorgánica ::Estructura de los compuestos inorgánicos ,UNESCO::QUÍMICA ,QUÍMICA::Química inorgánica ::Estructura de los compuestos inorgánicos [UNESCO] ,catálisis ,UNESCO::QUÍMICA::Química inorgánica ::Compuestos de coordinación ,QUÍMICA::Química inorgánica ::Compuestos de coordinación [UNESCO] ,QUÍMICA [UNESCO] ,MOF - Abstract
The central aim of this PhD thesis is to develop synthetic procedures to construct metal organic-frameworks (MOFs) able to host/build up molecular-based species, such as metal ions with particular coordination environments, single atom catalysts (SACs), sub-nanometric metal clusters (SNMCs) and supramolecular coordination complexes (SCCs), otherwise hardly accessible, with high catalytic reactivity and in a multigram scale. The nature of the final assemblies has been characterised with a myriad of physical techniques, where taking advantage of the high crystallinity and structural robustness of the MOFs used as platforms, single-crsytal X-ray crystallography play a promienet role and provide us with unique snapshots of the novel hybrid materials assembled. Here, it is worth to remark that the obtention, stabilization and characterization of such unique hybrid species is an extraordinary challenge. Thus, this in itself reflect the success of the results presented in this PhD thesis. In order to do so, in this PhD thesis we have worked with oxamate- and oxamidate-based MOFs, derived from robust aromatic diamines and aminoacids, respectively, constructed by applying the rational metalloligand strategy. This strategy consist on the use of dinuclear copper(II) building blocks that act as metalloligands toward transition or alkaline-earth metal ions to assembly the target framework. Then, we have taken advantage of the outstanding crystallinity and structural robustness of these MOFs to use them as chemical nanoreactors by means of different post-synthetic methodologies (PSMs), which enable us to encapsulate and/or in-situ construct within their channels unique molecular-based catalyst. Besides a general introduction to put in context the results obtained during this PhD thesis, we have structured them in three different chapters. The first one is focused on the application of post-synthetic partial cation exchange to obtain a material with up to three different metal ions (Cu, Ni and Pd) with potential catalytic activity to explore their use in tandem/cascade catalytic reactions. In the third chapter we move to the obtention of SACs and SNMCs. In particular, we present isolated Ag(0)2 SNMCs and Pd(0) SACs, as well as the combination of SACs and SNMCs with Ag(0)2 Fe(3+). Then, in the fourth chapter, we exploit the rich host-guest chemistry of the selected MOF to build SCCs, where the intrinsic catalytic properties of pivotal palladium atoms can be fully exploited. Finally, we have included a general conclusions section together with future perspectives on the basis of the research work developed in this PhD thesis.
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- 2022
50. Metal‐organic frameworks for new technological and environmental applications
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Mon Conejero, Marta, Pardo Marín, Emilio, Ferrando Soria, Jesús, and Departament de Química Inorgànica
- Subjects
CIENCIAS TECNOLÓGICAS::Tecnología de materiales [UNESCO] ,ciencia de los materiales ,UNESCO::QUÍMICA ,polímeros ,UNESCO::CIENCIAS TECNOLÓGICAS::Tecnología de materiales ,metal-organic frameworks ,QUÍMICA [UNESCO] ,MOFs - Abstract
El trabajo descrito en la presente memoria esta dentro del campo de la Ciencia de los Materiales y la Química de Coordinación, ya que se centra en el diseño racional de nuevos materiales, en concreto, polímeros de coordinación porosos (PCPs), también llamados MOFs (del inglés, Metal-Organic Frameworks), y su uso en diversas aplicaciones de alto interés tecnológico y/o medioambiental. A pesar de que el interés de la comunidad científica en estos materiales empezó a principios de los años 90, sus fascinantes propiedades químicas y físicas han revolucionado la Ciencia de los Materiales, creciendo exponencialmente año tras año el número de MOFs reportados, así como el rango de aplicaciones de los mismos. Los MOFs, son una clase de materiales porosos cristalinos, constituidos por cationes o complejos metálicos discretos que se unen a través de ligandos puente mediante enlaces de coordinación. Su alta porosidad y cristalinidad, hace posible obtener grandes áreas superficiales y volúmenes de poro, y que puedan ser caracterizados mediante técnicas de difracción de rayos X. Además, su carácter modular y las infinitas combinaciones posibles entre ligandos orgánicos e iones/complejos metálicos inorgánicos, permite que puedan obtenerse una gran cantidad de estructuras distintas con composición, topología, y como consecuencia, propiedades físicas y químicas diseñadas a la carta (química reticular). Debido a estas características, los MOFs pueden tener aplicación en diversos campos, como adsorción y separación de gases, magnetismo, ferroelectricidad, transporte y liberación de fármacos, catálisis, etc. A diferencia de los MOFs, los materiales porosos tradicionales (zeolitas, silicatos mesoporosos, óxidos metálicos o carbonos activos), tienen una composición química, tamaño de poro y funcionalidad limitada, por lo que no son tan versátiles como estos nuevos materiales. Esta versatilidad, ha hecho que los MOFs sean muy atractivos en las últimas décadas, dando lugar a numerosas publicaciones. El objetivo principal de esta tesis doctoral es obtener nuevos polímeros de coordinación porosos, con el propósito de emplearlos para la captura o encapsulación de metales pesados (oro, mercurio o tierras raras) o especies orgánicas (diferentes drogas/medicamentos o colorantes), para adsorción de gases, así como para la síntesis in-situ de clústeres metálicos subnanométricos (sMCs, del inglés, sub-Nanometric Metal Clusters) de interés en catálisis, mostrando, con ello, la importancia que tienen este tipo de materiales en diferentes áreas tecnológicas. Los MOFs desarrollados en esta tesis doctoral, tienen un doble interés. Por un lado, permiten reducir, hasta límites permisibles por la Organización Mundial de la Salud (OMS), la presencia de contaminantes en los ecosistemas acuáticos. Por otro lado, pueden emplearse como catalizadores heterogéneos para llevar a cabo reacciones de manera más sostenible. En concreto, se han llevado a cabo los siguientes puntos: 1. Diseño y síntesis de nuevos MOFs, con poros de diferente tamaño, forma y grupos funcionales, empleando para ello diferentes proligandos oxamidato derivados de aminoácidos. 2. Modificación post-sintética tanto de los MOFs obtenidos, así como de otros sintetizados anteriormente por miembros del grupo, con el fin de mejorar o incorporar nuevas propiedades en ellos, o incluso formar nuevas especies dentro de sus canales, como clústeres metálicos subnanométricos. 3. Caracterización de los materiales mediante técnicas de: análisis elemental (AE), espectroscopia de infrarrojo (IR), análisis termogravimétrico (TG), microscopía electrónica de barrido (MEB), difracción de rayos X (DRX) de monocristal y polvo y adsorción de N2 y CO2. 4. Estudio de las propiedades y aplicaciones que poseen los materiales obtenidos. Algunas de ellas han sido evaluadas en colaboración con otros grupos de investigación. La presente memoria se ha estructurado en cinco secciones, siendo la primera introductoria. En ella, se ha realizado una breve revisión histórica desde los polímeros de coordinación hasta los MOFs, detallando como las aportaciones de algunos científicos en el campo (Robson, Hoskins, Yaghi, Kitagawa, Férey, entre otros), así como los avances en cristalografía y la técnica de difracción de rayos X de monocristal, contribuyeron al desarrollo y estudio de estos materiales. A continuación, se muestra la clasificación de los compuestos de coordinación y la terminología empleada. Seguidamente, se describen las propiedades que los MOFs pueden presentar, haciendo hincapié en su porosidad, ya que es la característica que más interés ha despertado. Esto se debe a que su naturaleza porosa permite la difusión de especies en sus poros, presentando una fascinante química host-guest, que puede ser modulada mediante el control del tamaño, forma y reactividad de los poros. Además, se indican algunas de sus aplicaciones, dando ejemplos de MOFs representativos que las poseen, así como describiendo, en cada caso, cuales son los factores determinantes que hacen que puedan emplearse con tales fines. Esta sección concluye, justificando la elección de la estrategia sintética utilizada, de manera que se muestran las ventajas que posee el uso de ligandos oxamato y oxamidato, así como la preparación de metaloligandos a partir de los cuales formar redes metal-orgánicas tridimensionales. Además, se hace una revisión de los compuestos obtenidos por los grupos de investigación pioneros en esta química, entre los que se encuentra nuestro grupo de investigación. La segunda sección recoge los trabajos (artículos 1-7) sobre los MOFs sintetizados que son capaces de capturar contaminantes orgánicos o inorgánicos del agua. Cabe indicar, que esta sección contiene dos publicaciones (artículos 4 y 6) que no versan, de manera directa, sobre la captura de contaminantes en medios acuosos sino de las interacciones host-guest que se establecen entre una serie de medicamentos y los MOFs (artículo 4) y la separación de mezclas de lantánidos en medios no acuosos (artículo 6). Dichas publicaciones se han incluido en esta sección, ya que permiten elucidar las interacciones host-guest responsables de la captura de contaminantes. En la tercera sección se incluyen las publicaciones (artículos 8-9) en las que hemos empleado métodos post-sintéticos para dotar a los materiales de diferentes propiedades, como ferroeléctricas o de adsorción de gases. De este modo, se muestra como el uso de esta estrategia permite diseñar materiales para aplicaciones específicas. La cuarta sección contiene las publicaciones (artículos 10-12) en las que las modificaciones post-sintéticas se han utilizado, en concreto, para obtener MOFs con aplicación catalítica. Y, por último, en la quinta sección se recopilan las conclusiones de esta tesis. The work described in this report is within the field of Materials Science and Coordination Chemistry, since it focuses on the rational design of new materials, specifically, porous coordination polymers (PCPs), also called metal-organic frameworks (MOFs), and its use in diverse applications of high technological and/or environmental interest. The main objectives of this thesis are to obtain new porous coordination polymers, and the study of their properties for the capture or encapsulation of heavy metals (gold, mercury or rare earths) or organic species (different drugs or dyes), for gas sorption, as well as for the in-situ synthesis of sub-nanometric metal clusters (sMCs) of interest in catalysis. Thus, we have shown the importance of this type of materials in different technological areas. The MOFs developed in this doctoral thesis have a two-fold relevance. On the one hand, they allow reducing the presence of pollutants in aquatic ecosystems, to limits that are permissible by the World Health Organization (WHO). On the other hand, they can be used as heterogeneous catalysts to carry out reactions in a more sustainable way. In particular, the following points have been carried out: 1. Design and synthesis of new MOFs, with pores of different size, shape and functional groups, using for this purpose diverse oxamidate proligands derived from amino acids. 2. Post-synthetic modification of the obtained MOFs, as well as of others previously reported by members of the group, in order to improve or introduce new properties in them, or even to synthesize new species within their channels, such as sub-nanometric metal clusters. 3. Characterization of the materials using techniques such as: elemental analysis (EA), infrared spectroscopy (IR), thermogravimetric analysis (TGA), scanning electron microscopy (SEM), single-crystal X-ray diffraction (SCXRD), powder X-ray diffraction (PXRD) and N2 or CO2 adsorption. 4. Study of the properties and applications of the resulting materials. Some of them have been evaluated in collaboration with other research groups. The present thesis has been structured in five sections, being the first introductory. Where, a brief historical review has been made from the coordination polymers to the MOFs, detailing how the contributions of some scientists in the field (Robson, Hoskins, Yaghi, Kitagawa, Férey, among others), as well as the advances in crystallography and the single-crystal X-ray diffraction technique contributed to the development and study of these materials. Then, the classification of the coordination compounds and the terminology used is shown. Next, the properties that MOFs can present are described, emphasizing their porosity, since it is the feature that has aroused the most interest. This is because its porous nature allows the diffusion of species in its pores, presenting a fascinating host-guest chemistry, which can be modulated by controlling the size, shape and reactivity of the pores. Furthermore, some of their applications are described, giving examples of representative MOFs that possess them, as well as showing, in each case, which are the determining factors that make them usable for such purposes. This section concludes justifying the choice of the synthetic strategy employed, so that the advantages of using oxamate and oxamidate ligands are shown, as well as the preparation of metalloligands to form 3D MOFs. In addition, a review is made of the compounds obtained by pioneering research groups working in this chemistry, among which it is our research group. The second section includes the works (articles 1-7) on the synthesized MOFs that are capable of capturing organic or inorganic contaminants from water. It should be noted that this section contains two publications (articles 4 and 6) that do not directly concern the capture of pollutants in aqueous media, but rather the host-guest interactions that are established between a series of drugs and MOFs (article 4) and the discrimination of a mixture of lanthanides in non-aqueous media (article 6). These publications have been included in this section, since they allow elucidating the host-guest interactions responsible for the capture of pollutants. The third section includes publications (articles 8-9) in which post-synthetic methods (PSMs) have been used to provide materials with different properties, such as ferroelectric or gas sorption. In this way, it is shown how the use of this strategy allows designing materials for specific applications. The fourth section contains the publications (articles 10-12) in which post-synthetic modifications have been used, in particular, to obtain MOFs with catalytic application. Finally, in the fifth section the conclusions of this thesis are collected.
- Published
- 2019
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