Search Results - "ARRIETA, Ana"

Application of 1,3‐Dipolar Reactions between Azomethine Ylides and Alkenes to the Synthesis of Catalysts and Biologically Active Compounds by Arrastia, Iosune, Arrieta, Ana, Cossío, Fernando P.

“…The (3+2) cycloaddition between azomethine ylides and alkenes is an efficient, convergent and stereocontrolled method for the synthesis of unnatural…”
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Stepwise Mechanism for the Bromination of Arenes by a Hypervalent Iodine Reagent by Granados, Albert, Shafir, Alexandr, Arrieta, Ana, Cossío, Fernando P, Vallribera, Adelina

“…A mild, metal-free bromination method of arenes has been developed using the combination of bis­(trifluoroacetoxy)­iodobencene and trimethylsilyl bromide. In…”
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The Mechanism of the Ketene−Imine (Staudinger) Reaction in Its Centennial: Still an Unsolved Problem? by Cossío, Fernando P, Arrieta, Ana, Sierra, Miguel A

“…Although Staudinger reported the reaction between ketenes and imines 100 years ago (1907), this process is still the most general and useful method for the…”
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Stereoselectivity, Different Oxidation States, and Multiple Spin States in the Cyclopropanation of Olefins Catalyzed by Fe–Porphyrin Complexes by Torrent-Sucarrat, Miquel, Arrastia, Iosune, Arrieta, Ana, Cossío, Fernando P

“…The mechanism of the cyclopropanation of alkenes with diazocompounds catalyzed by ClFeIII–porphyrin, [ClFeII–porphyrin]−, and FeII–porphyrin has been…”
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Polymorphisms in Drug Transporter and Metabolism Genes Associated with Resistance to Imatinib in Chronic Myeloid Leukemia: A Systematic Review and Meta-Analysis by Gómez, Ana Marcela Arrieta, Díaz-Mendoza, María Antonia, Lemus, Yesit Bello, León-Mejía, Grethel, Benitez, Martha Lucia Ruiz

“…The aim of this study was to establish the relationship between different polymorphisms in drug transporter and metabolizer genes and resistance to imatinib in…”
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The Impact of COVID-19 on Diagnosis of Heart Disease in Latin America an INCAPS COVID Sub-analysis by Cerci, Rodrigo Julio, Vitola, João Vicente, Paez, Diana, Zuluaga, Alejandro, Bittencourt, Marcio Sommer, Sierra-Galan, Lilia M, Carrascosa, Patricia, Campisi, Roxana, Gutierrez-Villamil, Claudia, Peix, Amalia, Chambers, Duane, Velez, Mayra Sánches, Alvarado, Carla M G, Ventura, Ana C F, Maldonado, Alejandro, Castanos, Alfredo P, Diaz, Teresa C, Herrera, Yariela, Vasquez, Manuel C, Arrieta, Ana A, Mut, Fernando, Hirschfeld, Cole, Malkovskiy, Eli, Goebel, Benjamin, Cohen, Yosef, Randazzo, Michael, Shaw, Leslee J, Williams, Michelle C, Villines, Todd C, Better, Nathan, Dorbala, Sharmila, Raggi, Paolo, Pascual, Thomas N B, Pynda, Yaroslav, Dondi, Maurizio, Einstein, Andrew J

“…The COVID-19 pandemic has disrupted the delivery of care for cardiovascular diseases in Latin America. However, the effect of the pandemic on the cardiac…”
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Lewis Acid Activated Aza-Diels-Alder Reaction of N-(3-Pyridyl)aldimines: An Experimental and Computational Study by Palacios, Francisco, Alonso, Concepción, Arrieta, Ana, Cossío, Fernando P., Ezpeleta, Jose M., Fuertes, María, Rubiales, Gloria

“…A combined theoretical and experimental study of a Povarov‐type cycloaddition reaction suggests an asynchronous concerted process that is favored by double…”
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Synthesis of Chromen[4,3-b]pyrrolidines by Intramolecular 1,3-Dipolar Cycloadditions of Azomethine Ylides: An Experimental and Computational Assessment of the Origin of Stereocontrol by Costa, Paulo R. R., Sansano, José M., Cossío, Unai, Barcellos, Julio C. F., Dias, Ayres G., Nájera, Carmen, Arrieta, Ana, de Cózar, Abel, Cossío, Fernando P.

“…Azomethine ylides, generated from imine‐derived O‐cinnamyl or O‐crotonyl salicylaldeyde and α‐amino acids, undergo intramolecular 1,3‐dipolar cycloaddition,…”
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Comparative study of the efficacy and safety of two polyvalent, caprylic acid fractionated [IgG and F(ab′)2] antivenoms, in Bothrops asper bites in Colombia by Otero-Patiño, Rafael, Segura, Álvaro, Herrera, María, Angulo, Yamileth, León, Guillermo, Gutiérrez, José María, Barona, Jacqueline, Estrada, Sebastián, Pereañez, Andrés, Quintana, Juan Carlos, Vargas, Leidy J., Gómez, Juan Pablo, Díaz, Abel, Suárez, Ana María, Fernández, Jorge, Ramírez, Patricia, Fabra, Patricia, Perea, Monica, Fernández, Diego, Arroyo, Yobana, Betancur, Dalila, Pupo, Lady, Córdoba, Elkin A., Ramírez, C. Eugenio, Arrieta, Ana Berta, Rivero, Alcides, Mosquera, Diana Carolina, Conrado, Nectty Lorena, Ortiz, Rosina

“…The efficacy and safety of two polyvalent horse-derived antivenoms in Bothrops asper envenomings were tested in a randomized, double-blind, clinical trial…”
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Solvent-Free Thermal and Microwave-Assisted [3 + 2] Cycloadditions between Stabilized Azomethine Ylides and Nitrostyrenes. An Experimental and Theoretical Study by Arrieta, Ana, Otaegui, Dorleta, Zubia, Aizpea, Cossío, Fernando P, Díaz-Ortiz, Angel, de la Hoz, Antonio, Herrero, M. Antonia, Prieto, Pilar, Foces-Foces, Concepción, Pizarro, José L, Arriortua, María I

“…The stereochemical outcomes observed in the thermal and microwave-assisted [3 + 2] cycloaddition between stabilized azomethine ylides and nitrostyrenes have…”
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Efficacy and safety of two whole IgG polyvalent antivenoms, refined by caprylic acid fractionation with or without β-propiolactone, in the treatment of Bothrops asper bites in Colombia by Otero, Rafael, León, Guillermo, Gutiérrez, José María, Rojas, Gustavo, Toro, María Fabiola, Barona, Jacqueline, Rodríguez, Verónica, Díaz, Abel, Núñez, Vitelbina, Quintana, Juan Carlos, Ayala, Shirley, Mosquera, Diana, Conrado, Lesdy L., Fernández, Diego, Arroyo, Yobana, Paniagua, Carlos A., López, Mercedes, Ospina, Carlos E., Alzate, Claudia, Fernández, Jorge, Meza, Jazmín J., Silva, Juan F., Ramírez, Patricia, Fabra, Patricia E., Ramírez, Eugenio, Córdoba, Elkin, Arrieta, Ana B., Warrell, David A., Theakston, R. David G.

“…The efficacy and safety of two whole IgG polyvalent antivenoms (A and B) were compared in a randomised, blinded clinical trial in 67 patients systemically…”
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Origins of the Loss of Concertedness in Pericyclic Reactions:  Theoretical Prediction and Direct Observation of Stepwise Mechanisms in [3 + 2] Thermal Cycloadditions by Vivanco, Silvia, Lecea, Begoña, Arrieta, Ana, Prieto, Pilar, Morao, Iñaki, Linden, Anthony, Cossío, Fernando P

“…Several [3 + 2] thermal cycloadditions between azomethine ylides and nitroalkenes have been studied both theoretically and experimentally. When the N-metalated…”
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Direct Evaluation of Secondary Orbital Interactions in the Diels−Alder Reaction between Cyclopentadiene and Maleic Anhydride by Arrieta, Ana, Cossío, Fernando P, Lecea, Begoña

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Stereocontrolled Synthesis of Highly Substituted Proline Esters via [3 + 2] Cycloaddition between N-Metalated Azomethine Ylides and Nitroalkenes. Origins of the Metal Effect on the Stereochemical Outcome by Ayerbe, Mirari, Arrieta, Ana, Cossío, Fernando P, Linden, Anthony

“…The [3 + 2] cycloaddition reaction between several N-metalated azomethine ylides and nitroalkenes has been studied using AgOAc and LiClO4 as metalating…”
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Substituent Effects in Eight-Electron Electrocyclic Reactions by Lecea, Begoña, Arrieta, Ana, Cossío, Fernando P

“…The main features of transition structures associated with eight-electron electrocyclic reactions have been studied with Density Functional Theory. It is found…”
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Front Cover: Selectivity in Cationic Cyclizations Involving Alkynes: A Computational Study on the Biomimetic Synthesis of Steroids (Chem. Eur. J. 19/2023) by Cózar, Abel, Arrieta, Ana, Cossío, Fernando P.

“…Selective cyclization of cationic alkynes is a useful tool for the synthesis of biomolecules such as steroids. In their Research Article (DOI:…”
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Reseña a Arellanes Arellanes, F.; Chávez Peón Herrero; M.E. & Rojas Torres, R.M. (eds.). 2022. Estudios descriptivos de lenguas zapotecas. Fonética-fonología, morfosintaxis y semántica léxica. Morelia, Michoacán: Universidad Nacional Autónoma de México. 358pp by Arrieta Zamudio, Ana Laura

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[4+3] versus [4+2] Mechanisms in the Dimerization of 2-Boryl-1,3-butadienes. A Theoretical and Experimental Study by Carreaux, François, Possémé, Françoise, Carboni, Bertrand, Arrieta, Ana, Lecea, Begoña, Cossío, Fernando P

“…The thermal dimerization of 2-boryl-1,3-butadienes and the scope of this reaction to prepare six-membered rings difficult to synthesize by other methodologies…”
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Organocatalysts Derived from Unnatural α‐Amino Acids: Scope and Applications by Agirre, Maddalen, Arrieta, Ana, Arrastia, Iosune, Cossío, Fernando P.

“…The organocatalytic properties of unnatural α‐amino acids are reviewed. Post‐translational derivatives of natural α‐amino acids include 4‐hydroxy‐l‐proline and…”
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Highly Efficient Induction of Chirality in Intramolecular [2 + 2] Cycloadditions between Ketenimines and Imines by Cossío, Fernando P, Arrieta, Ana, Lecea, Begoña, Alajarín, Mateo, Vidal, Angel, Tovar, Fulgencio

“…Highly stereocontrolled, intramolecular [2 + 2] cycloadditions between ketenimines and imines leading to 1,2-dihydroazeto[2,1-b]quinazolines have been…”
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