Search Results - "Cenini, Sergio"

Coordination chemistry of organic azides and amination reactions catalyzed by transition metal complexes by Cenini, Sergio, Gallo, Emma, Caselli, Alessandro, Ragaini, Fabio, Fantauzzi, Simone, Piangiolino, Cristiana

“…The interaction of organic azides with transition metal complexes will be discussed with particular attention to the coordination modes of these molecules. The…”
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Mechanistic Study of the Palladium–Phenanthroline Catalyzed Carbonylation of Nitroarenes and Amines: Palladium–Carbonyl Intermediates and Bifunctional Effects by Ragaini, Fabio, Gasperini, Michela, Cenini, Sergio, Arnera, Lucia, Caselli, Alessandro, Macchi, Piero, Casati, Nicola

“…Palladium–phenanthroline complexes catalyze both the nitroarene carbonylation reaction and the amine oxidative carbonylation reaction to give, depending on the…”
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Asymmetric Cyclopropanation of Olefins Catalyzed by Chiral Cobalt(II)-Binaphthyl Porphyrins by Fantauzzi, Simone, Gallo, Emma, Rose, Eric, Raoul, Nicolas, Caselli, Alessandro, Issa, Samar, Ragaini, Fabio, Cenini, Sergio

“…Cobalt(II) complexes of chiral bis-binaphthyl porphyrins were prepared, and their catalytic activity in the asymmetric cyclopropanation of alkenes with ethyl…”
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Rearrangement of N‐Aryl‐2‐Vinylaziridines to Benzoazepines and Dihydropyrroles: A Synthetic and Theoretical Study by Fantauzzi, Simone, Gallo, Emma, Caselli, Alessandro, Piangiolino, Cristiana, Ragaini, Fabio, Re, Nazzareno, Cenini, Sergio

“…Herein we report the one‐pot synthesis of several N‐heterocyclic compounds by rearrangement reactions of N‐aryl‐2‐vinylaziridines. The optimization of the…”
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The [Ru(CO)(porphyrin)]-Catalyzed Synthesis of N-Aryl-2-vinylaziridines by Piangiolino, Cristiana, Gallo, Emma, Caselli, Alessandro, Fantauzzi, Simone, Ragaini, Fabio, Cenini, Sergio

“…[Ru(CO)(porphyrin)] complexes have been found to catalyze the direct aziridination of conjugated dienes by aryl azides with high chemoselectivity, to provide…”
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Heterogenization of ruthenium porphyrin complexes in polymeric membranes: Catalytic aziridination of styrenes by Gallo, Emma, Buonomenna, Maria Giovanna, Viganò, Luca, Ragaini, Fabio, Caselli, Alessandro, Fantauzzi, Simone, Cenini, Sergio, Drioli, Enrico

“…In this paper we report the preparation of catalytic membranes having the complex Ru(4-(CF 3)TPP)CO ( 1) (TPP = dianion of tetraphenylporphyrin) embedded in…”
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Structural Determination of Ruthenium−Porphyrin Complexes Relevant to Catalytic Epoxidation of Olefins by Gallo, Emma, Caselli, Alessandro, Ragaini, Fabio, Fantauzzi, Simone, Masciocchi, Norberto, Sironi, Angelo, Cenini, Sergio

“…A reproducible synthesis of a competent epoxidation catalyst, [RuVI(TPP)(O)2] (TPP = tetraphenylporphyrin dianion), starting from [RuII(TPP)(CO)L] (L = none or…”
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Photochemical and photocatalytic reduction of nitrobenzene in the presence of cyclohexene by Maldotti, Andrea, Andreotti, Leonardo, Molinari, Alessandra, Tollari, Stefano, Penoni, Andrea, Cenini, Sergio

“…Irradiation with light of wavelength higher than 350 nm of deaerated mixtures of nitrobenzene and cyclohexene leads to the reduction of the nitro-compound,…”
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Catalytic amination reactions mediated by Co(II) Schiff base complexes by Caselli, Alessandro, Gallo, Emma, Ragaini, Fabio, Oppezzo, Alessandro, Cenini, Sergio

“…Co(acacen), 1, (acacen = 2,11-dihydroxy-4,9-dimethyl-5,8-diaza-2,4,8,10-dodecatetraene dianion) was found to be a highly efficient catalyst for the allylic…”
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Allylic Amination of Cyclohexene Catalyzed by Ruthenium Complexes. A New Reaction Involving an Intermolecular C−H Functionalization by Cenini, Sergio, Ragaini, Fabio, Tollari, Stefano, Paone, Daniele

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Syntheses, Structures, and Reactivity of Polynuclear Pyrazolato Copper(I) Complexes, Including an ab-Initio XRPD Study of [Cu(dmnpz)]3 (Hdmnpz = 3,5-Dimethyl-4-nitropyrazole) by Ardizzoia, G. Attilio, Cenini, Sergio, La Monica, Girolamo, Masciocchi, Norberto, Maspero, Angelo, Moret, Massimo

“…The reaction of [Cu(CH3CN)4](BF4) with 3,5-dimethyl-4-nitropyrazole (Hdmnpz) in the presence of triethylamine yields the new copper(I) complexes [Cu(dmnpz)]3…”
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Amination of Benzylic CH Bonds by Arylazides Catalyzed by CoII-Porphyrin Complexes: A Synthetic and Mechanistic Study by Ragaini, Fabio, Penoni, Andrea, Gallo, Emma, Tollari, Stefano, Li Gotti, Claudia, Lapadula, Marta, Mangioni, Enrica, Cenini, Sergio

“…CoII–porphyrin complexes catalyze the reaction of aromatic azides (ArN3) with hydrocarbons that contain a benzylic group (ArR1R2CH) to give the corresponding…”
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New Nonsymmetric Phenanthrolines as Very Effective Ligands in the Palladium-Catalyzed Carbonylation of Nitrobenzene by Ferretti, Francesco, Ragaini, Fabio, Lariccia, Roberta, Gallo, Emma, Cenini, Sergio

“…Inspired by the results of a previous mechanistic study, a series of mostly new nonsymmetric phenanthrolines were synthesized and tested as ligands in the…”
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Ruthenium carbonyl catalyzed reductive carbonylation of aromatic nitro compounds. A selective route to carbamates by Cenini, Sergio, Crotti, Corrado, Pizzotti, Maddalena, Porta, Francesca

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Synthesis of Indoles by Intermolecular Cyclization of Unfunctionalized Nitroarenes and Alkynes: One‐Step Synthesis of the Skeleton of Fluvastatin by Ragaini, Fabio, Ventriglia, Flavia, Hagar, Mohamed, Fantauzzi, Simone, Cenini, Sergio

“…The addition of Ru3(CO)12, dimethyl carbonate, or both to the reaction mixture improves the selectivity of the palladium/phenanthroline‐catalyzed reaction of…”
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The (Porphyrin)ruthenium-Catalyzed Aziridination of Olefins Using Aryl Azides as Nitrogen Sources by Fantauzzi, Simone, Gallo, Emma, Caselli, Alessandro, Piangiolino, Cristiana, Ragaini, Fabio, Cenini, Sergio

“…Aryl azides have been used as atom‐efficient nitrene transfer reagents in the (porphyrin)ruthenium‐catalyzed amination of olefins. Several azides, olefins and…”
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Mechanistic study of the Ru3(CO)12/chloride catalyzed carbonylation reactions of nitroarenes to carbamates and ureas; the role of the alkylammonium cation by RAGAINI, Fabio, CENINI, Sergio

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Synthesis of Ar-BIAN Ligands (Ar-BIAN = Bis(aryl)acenaphthenequinonediimine) Having Strong Electron-Withdrawing Substituents on the Aryl Rings and Their Relative Coordination Strength toward Palladium(0) and -(II) Complexes by Gasperini, Michela, Ragaini, Fabio, Cenini, Sergio

“…The synthesis of Ar-BIAN ligands (Ar-BIAN = bis(aryl)acenaphthenequinonediimine) having strong electron-withdrawing substituents on the aryl ring is reported…”
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Amination of Benzylic CH Bonds by Arylazides Catalyzed by Co II –Porphyrin Complexes: A Synthetic and Mechanistic Study by Ragaini, Fabio, Penoni, Andrea, Gallo, Emma, Tollari, Stefano, Li Gotti, Claudia, Lapadula, Marta, Mangioni, Enrica, Cenini, Sergio

“…Abstract Co II –porphyrin complexes catalyze the reaction of aromatic azides (ArN 3 ) with hydrocarbons that contain a benzylic group (ArR 1 R 2 CH) to give…”
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Chiral porphyrin complexes of cobalt(II) and ruthenium(II) in catalytic cyclopropanation and amination reactions by Caselli, Alessandro, Gallo, Emma, Ragaini, Fabio, Ricatto, Federica, Abbiati, Giorgio, Cenini, Sergio

“…Two new metal complexes (M = Co, Ru) of the chiral porphyrin TmyrtP (TmyrtP = dianion of the meso-tetrakis[(1 R)-apopinen-2-yl]porphyrin) have been synthesized…”
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