BackExaminar Artículos por departamento (cas.) "Química Orgánica e Inorgánica"
Now showing items 21-40 of 103
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Dicopper(II)-EDTA Chelate as a Bicephalic Receptor Model for a Synthetic Adenine Nucleoside
(MDPI, 2021-05-02)In the extensive field of metal ions, their interactions with nucleic acids, and their constituents, the main aim of this work is to develop a metal chelate suitable to recognize two molecules of an adenine nucleoside. For ... -
Direct Arylation in the Presence of Palladium Pincer Complexes
Urgoitia Gabikaetxebarria, Garazi
; Herrero Corral, María Teresa ; ; ; San Martín Faces, Raúl (MDPI, 2021-07-20)
Direct arylation is an atom-economical alternative to more established procedures such as Stille, Suzuki or Negishi arylation reactions. In comparison with other palladium sources and ligands, the use of palladium pincer ... -
Directed C- H Allylation of Aromatic Carboxamides with Allyl Aryl Ethers under Cp*Co(III)-Catalysis
(Wiley-VCH, 2023-11-20)The Cp*Co(III) C−H allylation of (hetero)arenes with allyl aryl ethers has been developed using an amide as directing group (24 examples). DFT calculations have shed light on the mechanistic course and reactivity pattern, ... -
Efficient iron-catalyzed direct acylation of amines with carboxylic acids and esters under oxygenated conditions
; ; Herrero Corral, María Teresa; San Martín Faces, Raúl (RSC, 2024)
Amides are ubiquitous in natural and synthetic compounds, and amidation is by far the most prevalent reaction in medicinal chemistry. In addition, atom-economical procedures for the direct amidation of esters or acids with ... -
Enantioselective construction of the 8-azabicyclo[3.2.1]octane scaffold: application in the synthesis of tropane alkaloids
; Uria Pujana, Uxue; ; Prieto Aretxabaleta, Liher ; ; Carrillo Fernández, María Luisa ; Vicario Hernando, José Luis (Royal Society of Chemistry, 2021-03-15)
The 8-azabicyclo[3.2.1]octane scaffold is the central core of the family of tropane alkaloids, which display a wide array of interesting biological activities. As a consequence, research directed towards the preparation ... -
Enantioselective transannular reactions by palladium-catalysed conjugate addition of aryl boronic acids
Prieto Aretxabaleta, Liher; ; Vicario Hernando, José Luis ; ; (Royal Society of Chemistry, 2022-05-12)
A palladium-catalyzed asymmeric conjugate addition of aryl boronic acids to medium-sized cycloalkenones followed by intramolecular aldol trapping is reported. The use of in situ formed [Pd/(QuinoxP*)] as the catalyst enables ... -
Enhancing biochar redox properties through feedstock selection, metal preloading and post-pyrolysis treatments
(Elsevier, 2020-09-01)There is growing evidence on the importance of the redox properties of biochar for many environmental applications. However, its variability and the difficulty in controlling its redox properties could be delaying the use ... -
Evaluation of the Circular Economy in a Pitahaya Agri-Food Chain
(MDPI, 2022-03-03)Over the last decade, the circular economy (CE) has attracted attention due to the current unsustainable model of production and consumption, which involves an increased resource use and depletion. Agri-food is one of the ... -
Evaluation of Various Types of Alginate Inks for Light-Mediated Extrusion 3D Printing
; ; ; ; ; ; Vilas Vilela, José Luis (MDPI, 2024-04-04)
Naturally derived biopolymers modifying or combining with other components are excellent candidates to promote the full potential of additive manufacturing in biomedicine, cosmetics, and the food industry. This work aims ... -
Exploring ionic liquid-laden metal-organic framework composite materials as hybrid electrolytes in metal (ion) batteries
(Frontiers Media, 2022-09)This review focuses on the combination of metal-organic frameworks (MOFs) and ionic liquids (ILs) to obtain composite materials to be used as solid electrolytes in metal-ion battery applications. Benefiting from the ... -
Exploring multivalent carbohydrate–protein interactions by NMR
; ; ; Ardá, Ana; Jiménez Barbero, Jesús (Royal Society of Chemistry, 2023-03)
Nuclear Magnetic Resonance (NMR) has been widely employed to assess diverse features of glycan–protein molecular recognition events. Different types of qualitative and quantitative information at different degrees of ... -
Fabrication and optimization of perovskite-based photoanodes for solar-driven CO2 photoelectroreduction to formate
; ; ; ; Beobide Pacheco, Garikoitz; ; (Elsevier, 2024)
The photoelectrochemical reduction of CO2 to value-added products represents a promising strategy for mitigating CO2 emissions. However, further research efforts need to be undertaken to enable the technology for scale-up, ... -
Fast Visible-Light 3D Printing of Conductive PEDOT:PSS Hydrogels
(Wiley, 2024-01)Functional inks for light-based 3D printing are actively being searched for being able to exploit all the potentialities of additive manufacturing. Herein, a fast visible-light photopolymerization process is showed of ... -
Fast Visible-Light Photopolymerization in the Presence of Multiwalled Carbon Nanotubes: Toward 3D Printing Conducting Nanocomposites
(American Chemical Society, 2022-02)[EN] A new photoinitiator system (PIS) based on riboflavin (Rf), triethanolamine, and multiwalled carbon nanobutes (MWCNTs) is presented for visible-light-induced photopolymerization of acrylic monomers. Using this PIS, ... -
Fe xCo1-x alloy nanoparticles: Synthesis, structure, magnetic characterization and magnetorheological application
(Elsevier, 2022-12)We present results concerning the synthesis of FexCo1-x (0 < x < 1) alloy nanoparticles (NPs) with different compositions by the chemical reduction technique and subsequent structural (XRD patterns), morphological (TEM ... -
Ferromagnetic supramolecular metal-organic frameworks for active capture and magnetic sensing of emerging drug pollutants
Pérez Aguirre, Rubén; ; Beobide Pacheco, Garikoitz; Castillo García, Oscar ; De Pedro, Imanol; Luque Arrebola, Antonio ; Pérez Yáñez, Sonia ; Wuttke, Stefan (Elsevier ; Cell Press, 2021-05-19)
[EN] Capture and sensing of emerging pollutants is one of the increasing environmental concerns due to the adverse ecological and human health effects. Here, we report the synthesis of a supramolecular metal-organic framework ... -
From Lab to Manufacturing Line: Guidelines for the Development and Upscaling of Aqueous Processed NMC622 Electrodes
; ; ; ; ; ; ; Palomares Durán, Verónica (The Electrochemical Society, 2023-01-24)
Lithium-ion batteries (LIBs) have facilitated the transition to a more sustainable energy model. Paradoxically, current high energy cathodes are industrially processed using organic solvents, which are deleterious for the ... -
H(N3)dap (Hdap = 2,6-Diaminopurine) Recognition by Cu2(EGTA): Structure, Physical Properties, and Density Functional Theory Calculations of [Cu4(μ-EGTA)2(μ-H(N3)dap)2(H2O)2]·7H2O
(MDPI, 2023-08-26)Reactions in water between the Cu2(µ-EGTA) chelate (EGTA = ethylene-bis(oxyethyleneimino)tetraacetate(4-) ion) and Hdap in molar ratios 1:1 and 1:2 yield only blue crystals of the ternary compound [Cu4(μ-EGTA)2(μ-H(N3)da ... -
Highly Diastereoselective Multicomponent Synthesis of Spirocyclopropyl Oxindoles Enabled by Rare-Earth Metal Salts
; ; ; ; ; ; ; ; Jiménez Barbero, Jesús; ; ; (American Chemical Society, 2023-04)
The synthesis of polysubstituted spirocyclopropyl oxindoles using a series of rare-earth metal (REM) salts is reported. REMs, in particular Sc(OTf)3, allowed access to the target compounds by a multicomponent reaction with ... -
Identification of Riluzole Derivatives as Novel Calmodulin Inhibitors with Neuroprotective Activity by a joint synthesis, biosensor, and computational guided strategy
; ; ; ; ; ; ; ; ; ; Núñez Viadero, Eider; ; ; ; ; ; ; ; ; (Elsevier, 2024-04-17)
The development of new molecules for the treatment of calmodulin related cardiovascular or neurodegenerative diseases is an interesting goal. In this work, we introduce a novel strategy with four main steps: (1) chemical ...