Search Results - "Peñéñory, Alicia B."

Nucleophilic Substitution Reactions by Electron Transfer by Rossi, Roberto A, Pierini, Adriana B, Peñéñory, Alicia B

“…The available mechanism to achieve nucleophilic substitution vary greatly, depending on the substrate, the nucleophile, and the reaction conditions. In the…”
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Mechanistic Insight into the Cu-Catalyzed C–S Cross-Coupling of Thioacetate with Aryl Halides: A Joint Experimental–Computational Study by Soria-Castro, Silvia M, Andrada, Diego M, Caminos, Daniel A, Argüello, Juan E, Robert, Marc, Peñéñory, Alicia B

“…The mechanism of the Ullmann-type reaction between potassium thioacetate (KSAc) and iodobenzene (PhI) catalyzed by CuI associated with 1,10-phenanthroline…”
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Novel Model Sulfur Compounds as Mechanistic Probes for Enzymatic and Biomimetic Oxidations by Peñéñory, Alicia B., Argüello, Juan E., Puiatti, Marcelo

“…To test for the intermediacy of sulfide radical cations in biomimetic and enzymatic oxidations, the sulfides PhSCH3 (1a), PhSCH2Ph (1b), PhSCHPh2 (1c), PhSCPh3…”
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Regioselective Photocycloaddition of Saccharin Anion to π‑Systems: Continuous-Flow Synthesis of Benzosultams by Figueroa, Francisco N, Heredia, Adrián A, Peñéñory, Alicia B, Sampedro, Diego, Argüello, Juan E, Oksdath-Mansilla, Gabriela

“…Saccharin is a versatile scaffold to build up different heterocycles with relevance in asymmetric catalysis, agricultural chemistry, medicinal chemistry, and…”
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Combined Experimental and Theoretical Studies on the Radical Nucleophile Addition Reaction for Sulfide- and Selenide-Centered Anions by Bouchet, Lydia M, Peñéñory, Alicia B, Pierini, Adriana B, Argüello, Juan E

“…The reactivity of sulfur- and selenium-centered nucleophiles toward 1-naphthyl radicals was studied in dimethylsulfoxide. The photostimulated reaction of…”
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Photooxidation of thiosaccharides mediated by sensitizers in aerobic and environmentally friendly conditions by Traverssi, Miqueas G, Peñéñory, Alicia B, Varela, Oscar, Colomer, Juan P

“…A series of β- d -glucopyranosyl derivates have been synthesized and evaluated in photooxidation reactions promoted by visible light and mediated by organic…”
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Fluorescent Quenching of the 2-Naphthoxide Anion by Aliphatic and Aromatic Halides. Mechanism and Consequences of Electron Transfer Reactions by Argüello, Juan E, Peñéñory, Alicia B

“…The fluorescent excited state of the 2-naphthoxide ion (1) is quenched by aliphatic and aromatic halides according to an electron-transfer mechanism, with…”
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Photoremoval of Protecting Groups: Mechanistic Aspects of 1,3-Dithiane Conversion to a Carbonyl Group by Oksdath-Mansilla, Gabriela, Hajj, Viviane, Andrada, Diego M, Argüello, Juan E, Bonin, Julien, Robert, Marc, Peñéñory, Alicia B

“…Photodeprotection of 1,3-dithianes in the presence of thiapyrylium was performed to return to the parent carbonyl compound, and the mechanism was studied by…”
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Design, synthesis and evaluation of cholinesterase hybrid inhibitors using a natural steroidal alkaloid as precursor by Borioni, José L., Cavallaro, Valeria, Murray, Ana P., Peñéñory, Alicia B., Puiatti, Marcelo, García, Manuela E.

“…[Display omitted] •Synthesis of cholinesterase inhibitors, fusing tacrine and the alkaloid solanocapsine.•Inhibition against AChE and BuChE enzymes at nM range…”
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Exploring the Photophysical and Photochemical Properties of N‑(Thioalkyl)-saccharins as an Alternative Route to the Synthesis of Tricyclic Sultams by Castro-Godoy, Willber D, Oksdath-Mansilla, Gabriela, Argüello, Juan E, Peñéñory, Alicia B

“…Photocyclization of N-(thioalkyl)-saccharin was carried out to obtain different polycyclic sultams in good yields. These photoreactions were efficient under…”
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Transition-metal-free one-pot synthesis of alkynyl selenides from terminal alkynes under aerobic and sustainable conditions by Heredia, Adrián A, Peñéñory, Alicia B

“…Alkynyl selenides were synthesized by a straightforward one-pot and three-step methodology, without the need of diselenides as starting reagents, under an…”
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Competitive Reaction Pathways for o-Anilide Aryl Radicals: 1,5- or 1,6-Hydrogen Transfer versus Nucleophilic Coupling Reactions. A Novel Rearrangement to Afford an Amidyl Radical by Rey, Valentina, Pierini, Adriana B, Peñéñory, Alicia B

“…The photoinduced reactions of o-iodoanilides (o-IC6H4N(Me)COR, 4a−d) with sulfur nucleophiles such as thiourea anion (1, −SCNH(NH2)), thioacetate anion (2,…”
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An activity prediction model for steroidal and triterpenoidal inhibitors of Acetylcholinesterase enzyme by Borioni, José L., Cavallaro, Valeria, Pierini, Adriana B., Murray, Ana P., Peñéñory, Alicia B., Puiatti, Marcelo, García, Manuela E.

“…Nowadays, the importance of computational methods in the design of therapeutic agents in a more efficient way is indisputable. Particularly, these methods have…”
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Efficient Cu-catalyzed base-free C-S coupling under conventional and microwave heating. A simple access to S-heterocycles and sulfides by Soria-Castro, Silvia M, Peñéñory, Alicia B

“…S-aryl thioacetates can be prepared by reaction of inexpensive potassium thioacetate with both electron-rich and electron-poor aryl iodides under a base-free…”
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Heterogeneous Photoinduced Homolytic Aromatic Substitution of Electron-Rich Arenes with Perfluoroalkyl Groups in Water and Aqueous Media - A Radical-Ion Reaction by Barata-Vallejo, Sebastián, Flesia, Marina Martín, Lantaño, Beatriz, Argüello, Juan E., Peñéñory, Alicia B., Postigo, Al

“…The photoinduced electron transfer (PET) substitution reaction of electron‐rich aromatic nuclei with perfluoroalkyl Rf groups was carried out in water or…”
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Photodegradation of (CH3CH2)2S and CH3CH2SCH3 initiated by OH radicals at atmospheric pressure. Product yields and mechanism in NOx free air by Oksdath-Mansilla, Gabriela, Peñéñory, Alicia B., Barnes, Ian, Wiesen, Peter, Teruel, Mariano A.

“…The product distribution of the gas-phase reactions of OH radicals with diethyl sulfide (CH3CH2)2S and ethyl methyl sulfide, CH3CH2SCH3, determined in the…”
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Photochemical cyclization of thioformanilides by chloranil: An approach to 2-substituted benzothiazoles by Rey, Valentina, Soria-Castro, Silvia M., Argüello, Juan E., Peñéñory, Alicia B.

“…2-Substituted benzothiazoles were efficiently synthesized by radical cyclization of thioformanilides induced by chloranil under irradiation in…”
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Thiol-free chemoenzymatic synthesis of β-ketosulfides by Heredia, Adrián A, López-Vidal, Martín G, Kurina-Sanz, Marcela, Bisogno, Fabricio R, Peñéñory, Alicia B

“…A preparation of β-ketosulfides avoiding the use of thiols is described. The combination of a multicomponent reaction and a lipase-catalysed hydrolysis has…”
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Solanocapsine derivatives as potential inhibitors of acetylcholinesterase: Synthesis, molecular docking and biological studies by García, Manuela E., Borioni, José L., Cavallaro, Valeria, Puiatti, Marcelo, Pierini, Adriana B., Murray, Ana P., Peñéñory, Alicia B.

“…[Display omitted] •Solanocapsine, a steroidal alkaloid was isolated from Solanum pseudocapsicum L.•A set of solanocapsine chemical derivatives was…”
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Understanding the Heteroatom Effect on the Ullmann Copper-Catalyzed Cross-Coupling of X-Arylation (X = NH, O, S) Mechanism by Diego M. Andrada, Silvia M. Soria-Castro, Daniel A. Caminos, Juan E. Argüello, Alicia B. Peñéñory

“…Density Functional Theory (DFT) calculations have been carried out in order to unravel the governing reaction mechanism in copper-catalyzed cross-coupling…”
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