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Rosario Scopelliti

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Related publications (393)

Fixation of nitrous oxide by mesoionic and carbanionic N-heterocyclic carbenes

Kay Severin, Rosario Scopelliti, Euro Solari, Léonard Yannick Maurice Eymann, Farzaneh Fadaei Tirani, Giacomo Cecot

A ditopic carbanionic N-heterocyclic carbene was found to react with the inert gas nitrous oxide, resulting in a stable covalent adduct with two intact N2O groups attached to the heterocycle. Mesoionic N-heterocyclic carbenes derived from C2-arylated 1,3-b ...

Royal Society of Chemistry2017

Synthesis and Characterisation of Semiaromatic Polyamides Comprising Benzofurobenzofuran Repeating Units

Rosario Scopelliti, Anne-Clémence Corminboeuf, Julien Philippe Cretenoud, Holger Frauenrath, Alberto Fabrizio, Farzaneh Fadaei Tirani, Bilal Özen, Thomas Schmaltz, Daniel Görl

Semiaromatic polyamides are attractive engineering polymers owing to their outstanding thermo-mechanical properties. To expand the scope of semiaromatic polyamides by additional optoelectronic features, one may consider the incorporation of extended pi-con ...

2017

Cytotoxic Half-Sandwich Rh(III) and Ir(III) beta-Diketonates

Rosario Scopelliti, Paul Joseph Dyson, Tina Riedel, Agnese Petrini

A series of half-sandwich pentamethylcyclopentadienyl rhodium(III) and iridium(III) complexes [CpM(DBM/ HDB/AVB)Cl] and [CpM(DBM/HDB/AVB)(PTA)]-[SO3CF3], where Cp* = pentamethylcyclopentadienyl, the proligands DBMH = dibenzoylmethane, HDBH = o-hydroxydi- ...

American Chemical Society2017

Synthesis and reactivity of a terminal uranium(IV) sulfide supported by siloxide ligands

Rosario Scopelliti, Marinella Mazzanti, Julie Renée Michelle Andrez

The reactions of the tetrasiloxide U(III) complexes [U(OSi(OtBu)3)4K] and [U(OSi(OtBu)3)4][K18c6] with 0.5 equiv. of triphenylphosphine sulfide led to reductive S-transfer reactions, affording the U(IV) sulfide complexes [SU(OSi(OtBu)3)4K2]2, 1, and [{SU(O ...

2016

Facile CO Cleavage by a Multimetallic CsU2 Nitride Complex

Rosario Scopelliti, Marinella Mazzanti, Marta Falcone

Uranium nitrides are important materials with potential for application as fuels for nuclear power generation, and as highly active catalysts. Molecular nitride compounds could provide important insight into the nature of the uranium–nitride bond, but curr ...

Wiley-VCH Verlag GmbH2016

Synthesis and Structure of Nitride-Bridged Uranium(III) Complexes

Rosario Scopelliti, Marinella Mazzanti, Lucile Sylvie Danielle Chatelain

The reduction of the nitride-bridged diuranium(IV) complex Cs[{U(OSi((OBu)-Bu-t)(3))(3)}(2)(mu-N)] affords the first example of a uranium nitride complex containing uranium in the +III oxidation state. Two nitride-bridged complexes containing the heteromet ...

2016

Isolation of a Star-Shaped Uranium(V/VI) Cluster from the Anaerobic Photochemical Reduction of Uranyl(VI)

Rosario Scopelliti, Marinella Mazzanti, Lucile Sylvie Danielle Chatelain

Actinide oxo clusters are an important class of compounds due to their impact on actinide migration in the environment. The photolytic reduction of uranyl(VI) has potential application in catalysis and spent nuclear fuel reprocessing, but the intermediate ...

Wiley-VCH Verlag GmbH2016

A molecularly engineered hole-transporting material for efficient perovskite solar cells

Michael Graetzel, Mohammad Khaja Nazeeruddin, Rosario Scopelliti, Ulf Anders Hagfeldt, Peng Gao, Sadig Aghazada, Juan-Pablo Correa-Baena, Antonio Abate, Taisuke Matsui, Michael Saliba, Filippo de Angelis

Soln.-processable perovskite solar cells have recently achieved certified power conversion efficiencies of over 20%, challenging the long-standing perception that high efficiencies must come at high costs. One major bottleneck for increasing the efficie ...

Nature Publishing Group2016

Divergent Reactivity of Thioalkynes in Lewis Acid Catalyzed Annulations with Donor-Acceptor Cyclopropanes

Rosario Scopelliti, Jérôme Waser, Sophie Lucie Racine, Bence Márton Hegedüs

Efficient methods for the convergent synthesis of (poly) cyclic scaffolds are urgently needed in synthetic and medicinal chemistry. Herein, we describe new annulation reactions of thioalkynes with phthalimide-substituted donor-acceptor cyclopropanes, which ...

Wiley-Blackwell2016

New Insights Into the Role of Imidazolium-Based Promoters for the Electroreduction of CO2 on a Silver Electrode

Michael Graetzel, Rosario Scopelliti, Paul Joseph Dyson, Marcel Roland Schreier, Pui Shan Genevieve Lau, Dmitry Vasilyev

The electrochemical reduction of CO2 to CO is a reaction of central importance for sustainable energy conversion and storage. Herein, structure activity relationships of a series of imidazolium-based cocatalysts for this reaction are described, which demon ...

Amer Chemical Soc2016

A Functional Model of [Fe]-Hydrogenase

Rosario Scopelliti, Matthew Wodrich, Xile Hu, Simona Mazza, Tao Xu

[Fe]-Hydrogenase catalyzes the hydrogenation of a biological substrate via the heterolytic splitting of molecular hydrogen. While many synthetic models of [Fe]-hydrogenase have been prepared, none yet are capable of activating H-2 on their own. Here, we re ...

American Chemical Society2016

p,t-[Ru(CO)(PR3)(tren)](2+) [R=Ph or p-tol; tren=tris(2-aminoethyl)amine], Ru(II) complexes bearing a simple tripodal tetradentate amine: synthesis, characterization, and antimicrobial activity

Rosario Scopelliti, Paul Joseph Dyson, Francisco Dinis Fagundes

Complexes with general formula p,t-[Ru(CO)(PR3)(tren)]X-2 [R=Ph (1) or p-tol (2); tren=tris(2-aminoethyl)amine; X=Cl- or PF6-] were prepared from [RuCl2(CO)(dmf)(PR3)] by direct reaction with tren. The complexes were fully characterized by NMR (H-1, P-31{H ...

Taylor & Francis2016

Surface functionalization of dinuclear clathrochelates via Pd-catalyzed cross-coupling reactions: facile synthesis of polypyridyl metalloligands

Kay Severin, Rosario Scopelliti, Euro Solari, Philip Pattison, Mathieu Jérémie Marmier, Giacomo Cecot

Dinuclear clathrochelate complexes are easily accessible by reaction of zinc(II) triflate or cobalt(II) nitrate with arylboronic acids and phenoldioximes. The utilization of brominated arylboronic acids and/or brominated phenoldioximes allows preparing cla ...

2016

The Ligand Aspect Ratio as a Decisive Factor for the Self-Assembly of Coordination Cages

Kay Severin, Rosario Scopelliti, Euro Solari, Philip Pattison, Konstantin Zhurov, Matthew David Wise, Alba Finelli, Giacomo Cecot, Suzanne Maria Jansze

It is possible to control the geometry and the composition of metallasupramolecular assemblies via the aspect ratio of their ligands. This point is demonstrated for a series of iron- and palladium-based coordination cages. Functionalized clathrochelate com ...

2016

Direct Conversion of Mono- and Polysaccharides into 5-Hydroxymethylfurfural Using Ionic-Liquid Mixtures

Rosario Scopelliti, Paul Joseph Dyson, Zhaofu Fei, Ning Yan, Sviatlana Siankevich, Philip Gregory Jessop

Platform chemicals are usually derived from petrochemical feedstocks. A sustainable alternative commences with lignocellulosic biomass, a renewable feedstock, but one that is highly challenging to process. Ionic liquids (ILs) are able to solubilize biomass ...

Wiley-VCH Verlag Berlin2016

Neutral Aminyl Radicals Derived from Azoimidazolium Dyes

Andrzej Sienkiewicz, Kay Severin, Rosario Scopelliti, Euro Solari, Philip Pattison, Laurent Alexis Clément Vannay, Henrik Moodysson Rønnow, Léonard Yannick Maurice Eymann, Ivica Zivkovic, Matthew Wodrich, Alexander Tskhovrebov, José Luis Bila

The synthesis and characterization of a new class of neutral aminyl radicals is reported. Monoradicals were obtained by reduction of azoimidazolium dyes with potassium. Structural, spectroscopic, and computational data suggest that the spin density is cent ...

2016

Alcohol-Induced C-N Bond Cleavage of Cyclometalated N-Heterocyclic Carbene Ligands with a Methylene-Linked Pendant Imidazolium Ring

Rosario Scopelliti, Paul Joseph Dyson, Zhaofu Fei, Wei Zhong

Reaction of the pentamethylcyclopentadienyl rhodium iodide dimer Cp*RhI2 with 1,1'-diphenyl-3,3'-methylenediimidazolium diiodide in non-alcohol solvents, in the presence of base, led to the formation of bis-carbene complex [Cp*Rh(bis-NHC)I] I (bis-NHC ...

Wiley-Blackwell2016

Carboxylic Acid Functionalized Clathrochelate Complexes: Large, Robust, and Easy-to-Access Metalloligands

Kay Severin, Rosario Scopelliti, Euro Solari, Kurt Schenk, Philip Pattison, Mathieu Jérémie Marmier, Matthew David Wise

Polycarboxylate ligands are among the most important building blocks for the synthesis of metal–organic frameworks (MOFs). The ability to access these ligands in an efficient way is of key importance for future applications of MOFs. Here, we demonstrate th ...

2016

Crystal Engineering of Polymeric Structures with Dative Boron–Nitrogen Bonds: Design Criteria and Limitations

Kay Severin, Rosario Scopelliti, Euro Solari, Kurt Schenk, Philip Pattison, Nicolas Luisier, Kevin Bally, Farzaneh Fadaei Tirani

The combination of tripyridyl ligands and linear diboronate esters results in the formation of oligomeric or polymeric adducts featuring dative boron−nitrogen bonds. The relative orientation of the two different building blocks in the assemblies can be pre ...

2016

Synthesis, Structure, and Anticancer Activity of Arene-Ruthenium(II) Complexes with Acylpyrazolones Bearing Aliphatic Groups in the Acyl Moiety

Rosario Scopelliti, Paul Joseph Dyson, Tina Riedel

A series of neutral ruthenium(II) arene complexes [(arene)Ru(Q(R))Cl] (arene = p-cymene (cym) or hexamethylbenzene (hmb)) containing 4-acyl-5-pyrazolonate Q(R) ligands with different electronic and steric substituents (R = 4-cyclohexyl, 4-stearoyl, or 4-ad ...

American Chemical Society2016

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