Search Results - "Scettri, Arrigo"

Influence of a remote sulfinyl group on l-proline-catalyzed direct asymmetric aldol addition of acetone by Villano, Rosaria, Acocella, Maria Rosaria, Scettri, Arrigo

“…The addition of acetone to rac-2-methylsulfinyl-benzaldehyde, catalyzed by secondary amines (morpholine, piperidine, l-proline, l-prolinamide and…”
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Asymmetric Friedel-Crafts alkylation of indole with chalcones catalyzed by chiral phosphoric acids by Scettri, Arrigo, Villano, Rosaria, Acocella, Maria Rosaria

“…The reaction of indole with chalcones, to give Michael-type adducts, was found to occur with good efficiency (up to 98% yield) and moderate enantioselectivity…”
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Organocatalytic asymmetric aza-Michael addition of aniline to chalcones under solvent-free conditions by Scettri, Arrigo, Massa, Antonio, Palombi, Laura, Villano, Rosaria, Acocella, Maria Rosaria

“…The first enantioselective Michael addition of aniline to chalcones was promoted by cheap and commercially available chincona alkaloids under solvent-free…”
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Absolute Configuration Assignment of Norcamphor-Derived Furyl Hydroperoxide Using Density Functional Theory Calculations of Optical Rotation and Vibrational Circular Dichroism by Lattanzi, Alessandra, Scettri, Arrigo, Zanasi, Riccardo, Devlin, Frank J, Stephens, Philip J

“…Density functional theory (DFT) calculations of sodium d line specific rotation and of vibrational circular dichroism (VCD) have been used to assign the…”
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Highly enantioselective vinylogous addition of 2-trimethylsilyloxyfuran to aldehydes promoted by the SiCl4/chiral Lewis base system by Palombi, Laura, Acocella, Maria R., Celenta, Nicoletta, Massa, Antonio, Villano, Rosaria, Scettri, Arrigo

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Vanadium-Catalyzed Asymmetric Epoxidation of Allylic Alcohols Mediated by (+)-Norcamphor-Derived Hydroperoxide by Lattanzi, Alessandra, Piccirillo, Sandro, Scettri, Arrigo

“…A protocol for the asymmetric epoxidation of allylic alcohols has been established that employs VO(acac)2 as catalyst, the commercial achiral hydroxamic acid,…”
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Sulfoxides in the allylation of aldehydes in the presence of silicon tetrachloride and allyltributylstannane by Massa Antonio, Capozzolo Laura, Scettri Arrigo

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Electrochemically Induced Addition Reactions in the Absence of Solvent and Supporting Electrolyte by Caruso, Tonino, Feroci, Marta, Inesi, Achille, Orsini, Monica, Scettri, Arrigo, Palombi, Laura

“…Solvent‐ and supporting electrolyte‐free electrolysis in a two‐compartment cell proved to be effective for the direct electroactivation of CH acid‐containing…”
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Silicon tetrachloride in organic synthesis: new applications for the vinylogous aldol reaction by Acocella, Maria R., De Rosa, Margherita, Massa, Antonio, Palombi, Laura, Villano, Rosaria, Scettri, Arrigo

“…This paper describes a novel and efficient methodology for vinylogous aldol reactions based on SiCl 4 catalysis. According to the nucleophilicity Mayr's scale,…”
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Mukaiyama-Michael vinylogous additions to nitroalkenes under solvent-free conditions by Scettri Arrigo, Villano Rosaria, Manzo Patrizia, Acocella Maria

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Enantioselective epoxidation of chalcones and naphthoquinones mediated by (+)-norcamphor-derived hydroperoxide by Lattanzi, Alessandra, Cocilova, Maria, Iannece, Patrizia, Scettri, Arrigo

“…[Display omitted] (+)-Norcamphor-derived hydroperoxide has been employed in the asymmetric epoxidation of electron poor alkenes such as trans-chalcones and…”
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1-Naphthyl-TADDOL/Emim BF4: A new catalytic system for the asymmetric addition of Chan’s diene to aromatic aldehydes by Villano Rosaria, Acocella Maria, Sio Vincenzo, Scettri Arrigo

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Pronounced asymmetric amplification in the aldol condensation of Chan's diene promoted by a Ti(IV)/BINOL complex by Villano, Rosaria, Acocella, Maria Rosaria, De Rosa, Margherita, Soriente, Annunziata, Scettri, Arrigo

“…Graphic A strong enhancement of the enantiomeric excess can be obtained by performing the enantioselective aldol reaction of Chan's diene in the presence of…”
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An efficient asymmetric aldol reaction of Chan's diene promoted by chiral Ti(IV)–BINOL complex by Soriente, Annunziata, De Rosa, Margherita, Stanzione, Marina, Villano, Rosaria, Scettri, Arrigo

“…1,3-Bis-(trimethylsilyloxy)-1-methoxy-buta-1,3-diene (Chan's diene) can be conveniently used in asymmetric aldol reaction with aromatic, heteroaromatic,…”
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Time Dependent Density Functional Response Theory Calculation of Optical Rotation as a Method for the Assignment of Absolute Configuration of Camphor-Derived Furyl Hydroperoxide and Alcohol by Lattanzi, Alessandra, Viglione, Rosario G, Scettri, Arrigo, Zanasi, Riccardo

“…The absolute configuration of (R)-(+)-camphor-derived furyl hydroperoxide and alcohol, which exhibit a number of stable conformations, has been successfully…”
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Solvent-free Mukaiyama aldol reaction of O-silyl dienolates catalyzed by benzoic acid by Acocella, Maria Rosaria, Massa, Antonio, Palombi, Laura, Villano, Rosaria, Scettri, Arrigo

“…[Display omitted] The vinylogous aldol reaction of O-silyl dienolates deriving from 2,2-dimethyl-[1,3]-dioxin-4-ones proceeds in moderate to excellent yields…”
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Enantioselective aldol condensation of O-silyldienolates derived from alkyl-substituted 2,2-dimethyl-[1,3]-dioxin-4-ones by De Rosa, Margherita, Acocella, Maria R., Rega, Michele F., Scettri, Arrigo

“…[Display omitted] Vinylogous aldol condensation of masked alkylated acetoacetates proceeds with good to excellent yields and enantiomeric excesses in the…”
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Enantioselective aldol condensation of 1,3-bis-(trimethylsilyloxy)-1-methoxy-buta-1,3-diene promoted by chiral Ti(IV)/BINOL complex by Soriente, Annunziata, De Rosa, Margherita, Villano, Rosaria, Scettri, Arrigo

“…Enantiomerically enriched δ-hydroxy-β-ketoesters are easily available by aldol condensation of 1,3-bis-(trimethylsilyloxy)-1-methoxy-buta-1,3-diene in the…”
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Fe3O4 nanoparticles/ethyl acetoacetate system for the efficient catalytic oxidation of aldehydes to carboxylic acids by Villano, Rosaria, Acocella, Maria Rosaria, Scettri, Arrigo

“…A new methodology for the oxidation of aldehydes promoted by commercially available Fe3O4 nanoparticles (Fe3O4 NPs) activated by ethyl acetoacetate was…”
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Solvent free reaction under microwave irradiation: A new procedure for Eu +3 — Catalyzed Michael addition of 1,3-dicarbonyl compounds by Soriente, Annunziata, Spinella, Aldo, De Rosa, Margherita, Giordano, Manuela, Scettri, Arrigo

“…CC bond formation via Michael addition is achieved in high yields and short times by employing catalytic amounts of EuCl 3 in dry media under microwave…”
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