Search Results - "Barbero, Margherita"

Fungal Anticancer Metabolites: Synthesis Towards Drug Discovery by Barbero, Margherita, Artuso, Emma, Prandi, Cristina

“…Fungi are a well-known and valuable source of compounds of therapeutic relevance, in particular of novel anticancer compounds. Although seldom obtainable…”
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A new practical synthesis of triaryl and trisindolylmethanes under solvent-free reaction conditions by Barbero, Margherita, Cadamuro, Silvano, Dughera, Stefano, Magistris, Claudio, Venturello, Paolo

“…An efficient and practical synthesis of triaryl and trisindolylmethanes is reported via the bisarylation of aryl aldehydes with activated arenes. The new…”
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o‐Benzenedisulfonimide as a Reusable Brønsted Acid Catalyst for Ritter‐Type Reactions by Barbero, Margherita, Bazzi, Stefano, Cadamuro, Silvano, Dughera, Stefano

“…Reactions between various benzyl alcohols or tert‐butyl alcohol and nitriles were carried out in the presence of catalytic amounts (usually 10–20 mol‐%) of…”
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The efficient o-benzenedisulfonimide catalysed synthesis of benzothiazoles, benzoxazoles and benzimidazoles by Barbero, Margherita, Cadamuro, Silvano, Dughera, Stefano

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Synthetic and Mechanistic Aspects of Acid‐Catalyzed Disproportionation of Dialkyl Diarylmethyl Ethers: A Combined Experimental and Theoretical Study by Barbero, Margherita, Bazzi, Stefano, Cadamuro, Silvano, Dughera, Stefano, Ghigo, Giovanni

“…The disproportionation reactions of various dialkyl diarylmethyl ethers have been carried out in the presence of a catalytic amount (10 mol‐%) of…”
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Gold catalysed Suzuki-Miyaura coupling of arenediazonium o-benzenedisulfonimides by Barbero, Margherita, Dughera, Stefano

“…Arenediazonium o-benzenedisulfonimides have been used as efficient electrophilic partners in Au(I) catalysed Suzuki coupling reactions. The synthetic protocol…”
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Silica Gel-Immobilized 1,2-Benzenedisulfonimide: A New and Versatile Brønsted Acid Heterogeneous Catalyst by Barbero, Margherita, Cerrato, Giuseppina, Laurenti, Enzo, Zanol, Sebastiano, Dughera, Stefano

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Copper catalysed Gomberg-Bachmann-Hey reactions of arenediazonium tetrafluoroborates and heteroarenediazonium o-benzenedisulfonimides. Synthetic and mechanistic aspects by Antenucci, Achille, Barbero, Margherita, Dughera, Stefano, Ghigo, Giovanni

“…Gomberg-Bachmann-Hey reactions were carried out in the presence of copper as a catalyst and gave rise to biaryls or heterobiaryls in good yields and in mild…”
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A simple, direct synthesis of 3-vinylindoles from the carbocation-catalysed dehydrative cross-coupling of ketones and indoles. A combined experimental and computational study by Barbero, Margherita, Dughera, Stefano, Alberti, Sara, Ghigo, Giovanni

“…A straightforward synthesis of a library of largely new 3-vinylindoles via a clean dehydrative coupling reaction between ketones and indoles has been…”
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Brønsted acid catalyzed enantio- and diastereoselective one-pot three component Mannich reaction by Barbero, Margherita, Cadamuro, Silvano, Dughera, Stefano

“…[Display omitted] A chiral derivative of 1,2-benzenedisulfonimide, (−)-4,5-dimethyl-3,6-bis(o-tolyl)-1,2-benzenedisulfonimide is herein proven to be an…”
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Copper- and Phosphane-Free Sonogashira Coupling of Arenediazonium o-Benzenedisulfonimides by Barbero, Margherita, Cadamuro, Silvano, Dughera, Stefano

“…Arenediazonium o‐benzenedisulfonimides can be used as efficient reagents in Sonogashira coupling reactions. In this work, reactions were carried out in DMSO…”
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Diastereoselective synthesis of 3-(α-aryl)alkenylindoles from the direct dehydrative coupling of indoles and ketones: A synthetic and theoretical study by Barbero, Margherita, Marabello, Domenica, Dughera, Stefano, Sicari, Tiziana, Antenucci, Achille, Ghigo, Giovanni

“…A representative library of 3-(α-aryl)alkenylindoles has been prepared via a Brønsted-acid catalysed dehydrative coupling reaction between alkyl aryl ketones…”
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Negishi cross-coupling of arenediazonium o-benzenedisulfonimides by Barbero, Margherita, Cadamuro, Silvano, Dughera, Stefano

“…Diazonium salts, precisely arenediazonium o-benzenedisulfonimides, have been used for the first time as efficient electrophilic partners in Negishi coupling…”
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o-Benzenedisulfonimide as a reusable Brønsted acid catalyst for an efficient and facile synthesis of quinolines via Friedländer annulation by Barbero, Margherita, Bazzi, Stefano, Cadamuro, Silvano, Dughera, Stefano

“…o-Benzenedisulfonimide as catalyst in quinoline synthesis. The synthesis of quinolines via Friedländer annulation was carried out in the presence of catalytic…”
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O-Benzenedisulfonimide as a Reusable Brønsted Acid Catalyst for Hetero-Michael Reactions by Barbero, Margherita, Cadamuro, Silvano, Dughera, Stefano

“…The hetero-Michael reactions among various oxygen, sulfur, and nitrogen nucleophiles and α , β -unsaturated compounds were carried out in the presence of…”
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Solvent-free Brønsted acid catalysed alkylation of arenes and heteroarenes with benzylic alcohols by Barbero, Margherita, Cadamuro, Silvano, Dughera, Stefano, Rucci, Marta, Spano, Giulia, Venturello, Paolo

“…A simple and efficient alkylation of aromatic and heteroaromatic compounds via the direct SN1-type nucleophilic substitution of benzylic alcohols in the…”
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Synthesis of Bench-Stable Diarylmethylium Tetrafluoroborates by Barbero, Margherita, Buscaino, Roberto, Cadamuro, Silvano, Dughera, Stefano, Gualandi, Andrea, Marabello, Domenica, Cozzi, Pier Giorgio

“…A representative number of bench-stable nonsymmetric diarylcarbenium tetrafluoroborates have been isolated via the direct coupling of aryl (or heteroaryl)…”
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o-Benzenedisulfonimide as a reusable acid catalyst for an easy, efficient, and green synthesis of tetrahydroisoquinolines and tetrahydro-β-carbolines through Pictet–Spengler reaction by Barbero, Margherita, Bazzi, Stefano, Cadamuro, Silvano, Dughera, Stefano

“…o-Benzenedisulfonimide catalyzed synthesis of tetrahydroisoquinolines and tetrahydro-β-carbolines. The synthesis of tetrahydroisoquinolines and…”
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Efficient alkylation of cyclic silyl enol ethers by diarylmethylium salts by Barbero, Margherita, Cadamuro, Silvano, Dughera, Stefano, Ghigo, Giovanni, Marabello, Domenica, Morgante, Pierpaolo

“…[Display omitted] •Stable diarylmethylium salts have been reacted with cyclic silyl enol ethers.•Products have been easily obtained in a prevalent…”
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Catalytic properties and acidity of 1,2-benzenedisulfonimide and some of its derivatives. An experimental and computational study by Barbero, Margherita, Berto, Silvia, Cadamuro, Silvano, Daniele, Pier Giuseppe, Dughera, Stefano, Ghigo, Giovanni

“…1,2-Benzenedisulfonimide (1) has previously been found to be an excellent and, importantly, safe Brønsted acid catalyst. In this work we present the results of…”
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