Search Results - "Pires, Elísabet"

Steps Forward toward the Substitution of Conventional Solvents in the Heck–Mizoroki Coupling Reaction: Glycerol-Derived Ethers and Deep Eutectic Solvents as Reaction Media by Leal-Duaso, Alejandro, Mayoral, José A, Pires, Elísabet

“…Glycerol-derived ethers and their eutectic mixtures with two renewable ammonium salts (ChCl and N00Cl) are effectively used as new green solvents for the…”
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Design of Glycerol-Based Solvents for the Immobilization of Palladium Nanocatalysts: A Hydrogenation Study by Leal-Duaso, Alejandro, Favier, Isabelle, Pla, Daniel, Pires, Elísabet, Gómez, Montserrat

“…Twenty-one green solvents, including glycerol-derived ethers, and their eutectic mixtures with two renewable ammonium salts, were used for the straightforward…”
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Ferrocenylselenoether and its cuprous cluster modified TiO2 as visible-light photocatalyst for the synergistic transformation of N-cyclic organics and Cr(vi) by Yang, Zhuo, Wang, Jinshan, Li, Aimin, Wang, Chao, Ji, Wei, Pires, Elísabet, Yang, Wenzhong, Su, Jing

“…In this study, fcSe@TiO2 and [Cu2I2(fcSe)2]n@TiO2 nanosystems based on ferrocenylselenoether and its cuprous cluster were developed and characterized by X-ray…”
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Catalytic performance and deactivation of sulfonated hydrothermal carbon in the esterification of fatty acids: Comparison with sulfonic solids of different nature by Fraile, José M., García-Bordejé, Enrique, Pires, Elísabet, Roldán, Laura

“…[Display omitted] •Sulfonated hydrothermal carbon leads to higher TOF than other sulfonic solids.•Better performance seems to be linked to a high surface…”
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Impact of sulfonated hydrothermal carbon texture and surface chemistry on its catalytic performance in esterification reaction by Roldán, Laura, Pires, Elísabet, Fraile, José M., García-Bordejé, Enrique

“…•Hydrothermal carbon was calcined at several temperatures and further sulfonated.•773K is the turning point in catalytic activity and textural…”
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Glycerol Ethers as Hydrotropes and Their Use to Enhance the Solubility of Phenolic Acids in Water by Soares, Bruna P, Abranches, Dinis O, Sintra, Tânia E, Leal-Duaso, Alejandro, García, José Ignacio, Pires, Elísabet, Shimizu, Seishi, Pinho, Simão P, Coutinho, João A. P

“…The use of glycerol ethers (with alkyl side chains ranging from one to six methyl groups) as hydrotropes to enhance the solubility of gallic and syringic acids…”
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New insights into the strength and accessibility of acid sites of sulfonated hydrothermal carbon by Fraile, José M., García-Bordejé, Enrique, Pires, Elísabet, Roldán, Laura

“…Sulfonation of hydrothermal carbon leads to a very active acid catalyst, in spite of the very low surface area determined by N2 physisorption and the even…”
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Are deep eutectic solvents a real alternative to ionic liquids in metal-catalysed reactions? by Gracia-Barberán, Sara, Leal-Duaso, Alejandro, Pires, Elísabet

“…This microreview tries to answer the question: Are Deep Eutectic Solvents a real alternative to Ionic Liquids in metal-catalysed reactions? We have gathered…”
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Glycerol ketals: Synthesis and profits in biodiesel blends by De Torres, Miriam, Jiménez-osés, Gonzalo, Mayoral, Jose A., Pires, Elísabet, de los Santos, Mario

“…Surplus of glycerol due to the increase of biodiesel production has become an economic drawback for the development of biofuel itself. In this work, we show…”
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Sulfonated Hydrothermal Carbons from Cellulose and Glucose as Catalysts for Glycerol Ketalization by Pablo Fernández, José M. Fraile, Enrique García-Bordejé, Elísabet Pires

“…Solketal is one of the most used glycerol-derived solvents. Its production via heterogeneous catalysis is crucial for avoiding important product losses…”
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Enzymatic synthesis of novel fructosylated compounds by Ffase from Schwanniomyces occidentalis in green solvents by Piedrabuena, David, Rumbero, Ángel, Pires, Elísabet, Leal-Duaso, Alejandro, Civera, Concepción, Fernández-Lobato, María, Hernaiz, María J

“…The β-fructofuranosidase from the yeast (Ffase) produces potential prebiotic fructooligosaccharides (FOS) by self-transfructosylation of sucrose, being one of…”
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The influence of alkaline metals on the strong basicity of Mg–Al mixed oxides: The case of transesterification reactions by Fraile, José M., García, Nuria, Mayoral, José A., Pires, Elísabet, Roldán, Laura

“…The strong basic sites of Mg/Al mixed oxides are mainly due to traces of alkaline metals, as shown by the linear correlation between yield and leachable…”
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Predicting the Enantioselectivity of the Copper-Catalysed Cyclopropanation of Alkenes by Using Quantitative Quadrant-Diagram Representations of the Catalysts by Aguado-Ullate, Sonia, Urbano-Cuadrado, Manuel, Villalba, Isabel, Pires, Elísabet, García, José I., Bo, Carles, Carbó, Jorge J.

“…We present a new methodology to predict the enantioselectivity of asymmetric catalysis based on quantitative quadrant‐diagram representations of the catalysts…”
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The basicity of mixed oxides and the influence of alkaline metals: The case of transesterification reactions by Fraile, José M., García, Nuria, Mayoral, José A., Pires, Elísabet, Roldán, Laura

“…[Display omitted] ▶ Alkaline metals are responsible for the strong basicity of mixed oxides. ▶ Alkaline effect is not dependent on the nature of the mixed…”
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Evaluation of several catalytic systems for the epoxidation of methyl oleate using H2O2 as oxidant by de Torres, Miriam, Jiménez-Osés, Gonzalo, Mayoral, José Antonio, Pires, Elísabet, Blanco, Rosa María, Fernández, Oscar

“…[Display omitted] ► Epoxidation of methyl oleate using H2O2 as oxidant. ► Fluorinated solvent as suitable epoxidation media. ► Aryldiselenide catalyst and…”
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Surface confinement effects in enantioselective catalysis: Design of new heterogeneous chiral catalysts based on C 1-symmetric bisoxazolines and their application in cyclopropanation reactions by García, José I., López-Sánchez, Beatriz, Mayoral, José A., Pires, Elísabet, Villalba, Isabel

“…Surface confinement effects are extremely important in determining the stereochemical course of cyclopropanation reactions catalyzed by C 2-symmetric…”
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C 1 ‐Symmetric Versus C 2 ‐Symmetric Ligands in Enantioselective Copper–Bis(oxazoline)‐Catalyzed Cyclopropanation Reactions by Fraile, José M, García, José I., Gissibl, Anja, Mayoral, José A., Pires, Elísabet, Reiser, Oliver, Roldán, Marta, Villalba, Isabel

“…A thorough experimental and theoretical study of the enantioselective cyclopropanation of alkenes catalyzed by chiral bis(oxazoline)– and…”
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QM/MM Modeling of Enantioselective Pybox-Ruthenium- and Box-Copper-Catalyzed Cyclopropanation Reactions: Scope, Performance, and Applications to Ligand Design by García, José I., Jiménez-Osés, Gonzalo, Martínez-Merino, Víctor, Mayoral, José A., Pires, Elísabet, Villalba, Isabel

“…An extensive comparison of full‐QM (B3LYP) and QM/MM (B3LYP:UFF) levels of theory has been made for two enantioselective catalytic systems, namely, Pybox–Ru…”
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C1-Symmetric Versus C2-Symmetric Ligands in Enantioselective Copper-Bis(oxazoline)-Catalyzed Cyclopropanation Reactions by Fraile, José M, García, José I., Gissibl, Anja, Mayoral, José A., Pires, Elísabet, Reiser, Oliver, Roldán, Marta, Villalba, Isabel

“…A thorough experimental and theoretical study of the enantioselective cyclopropanation of alkenes catalyzed by chiral bis(oxazoline)– and…”
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Optimization of the Synthesis of Glycerol Derived Monoethers from Glycidol by Means of Heterogeneous Acid Catalysis by Pires, Elisabet, García, José Ignacio, Leal-Duaso, Alejandro, Mayoral, José Antonio, García-Peiro, José Ignacio, Velázquez, David

“…We present an efficient and green methodology for the synthesis of glycerol monoethers, starting from glycidol and different alcohols, by means of…”
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