Publications de Euro Solari | EPFL Graph Search

Electro- and photochemical H-2 generation by Co(ii) polypyridyl-based catalysts bearing ortho-substituted pyridines

Rosario Scopelliti, Euro Solari, Albert Ruggi, Vincent Artero, Fiorella Lucarini

Cobalt(II) complexes featuring hexadentate amino-pyridyl ligands have been recently discovered as highly active catalysts for the Hydrogen Evolution Reaction (HER), whose high performance arises from the possibility of assisting proton transfer processes v ...

ROYAL SOC CHEMISTRY2023

Fluorinated Tetraarylethenes: Universal Tags for the Synthesis of Solid State Luminogens

Kay Severin, Rosario Scopelliti, Euro Solari, Albert Ruggi, Farzaneh Fadaei Tirani, Abdusalom Suleymanov, Thibault Jacques Marie Damiens Vanrapenbusch, Barbara Maja Kraus

The aggregation-induced emission properties of tetraarylethenes (TAEs) have led to numerous applications in chemistry, biology, and materials science. Herein, we describe two fluorinated tetraarylethenes, which can be employed as universal tags for the syn ...

Wiley-VCH Verlag GmbH2022

Novel cationic 1,2,4-selenadiazoles: synthesis via addition of 2-pyridylselenyl halides to unactivated nitriles, structures and four-center SeMIDLINE HORIZONTAL ELLIPSISN contacts

Euro Solari, Alexander Tskhovrebov

2-Pyridylselenyl halides undergo facile coupling with a triple CN bond of unactivated nitriles. Unprecedented heterocyclization allowed the preparation of a novel class of cationic 1,2,4-selenadiazoles in remarkably high yields. Cationic 1,2,4-selenadiazol ...

ROYAL SOC CHEMISTRY2021

Unsymmetrical Trifluoromethyl Methoxyphenyl beta-Diketones: Effect of the Position of Methoxy Group and Coordination at Cu(II) on Biological Activity

Euro Solari

Copper(II) complexes with 1,1,1-trifluoro-4-(4-methoxyphenyl)butan-2,4-dione (HL1) were synthesized and characterized by elemental analysis, FT-IR spectroscopy, and single crystal X-ray diffraction. The biological properties of HL1 and cis-[Cu(L1)(2)(DMSO) ...

MDPI2021

Novel cationic 1,2,4-selenadiazoles: synthesis via addition of 2-pyridylselenyl halides to unactivated nitriles, structures and four-center Se center dot center dot center dot N contacts (vol 50, pg 10689, 2021)

Euro Solari

ROYAL SOC CHEMISTRY2021

Rationalizing Photo-Triggered Hydrogen Evolution Using Polypyridine Cobalt Complexes: Substituent Effects on Hexadentate Chelating Ligands

Rosario Scopelliti, Euro Solari, Farzaneh Fadaei Tirani

Four novel polypyridine cobalt(II) complexes were developed based on a hexadentate ligand scaffold bearing either electron-withdrawing (-CF3) or electron-donating (-OCH3) groups in different positions of the ligand. Experiments and theoretical calculations ...

WILEY-V C H VERLAG GMBH2021

Thermodynamics and kinetics of protonated merocyanine photoacids in water

Kay Severin, Rosario Scopelliti, Euro Solari, Cristian Pezzato, Farzaneh Fadaei Tirani, Stefano Zamuner, Cesare Berton, Daniel Maria Busiello

Metastable-state photoacids (mPAHs) are chemical species whose photo-activated state is long-lived enough to allow for proton diffusion. Liao's photoacid (1) represents the archetype of mPAHs, and is being widely used on account of its unique capability to ...

2020

Azo-MICs: Redox-Active Mesoionic Carbene Ligands Derived from Azoimidazolium Dyes

Kay Severin, Rosario Scopelliti, Euro Solari, Basile Curchod, Farzaneh Fadaei Tirani, Frederick Mark Chadwick

Wiley-VCH Verlag GmbH2019

Crystalline Polymers Based on Dative Boron–Nitrogen Bonds and the Quest for Porosity

Kay Severin, Rosario Scopelliti, Euro Solari, Farzaneh Fadaei Tirani, Alexander Joseph Stephens

2019

Synthesis of aminyl biradicals by base-induced Csp3–Csp3 coupling of cationic azo dyes

Andrzej Sienkiewicz, Kay Severin, Rosario Scopelliti, Euro Solari, Léonard Yannick Maurice Eymann, Alexander Tskhovrebov, Alberto Fabrizio, Farzaneh Fadaei Tirani, Yizhu Liu, Ophélie Marie Planes, Paul Varava

2019

Trimethylsilyl-Induced N–O Bond Cleavage in Nitrous Oxide-Derived Aminodiazotates

Kay Severin, Rosario Scopelliti, Euro Solari, Léonard Yannick Maurice Eymann, Farzaneh Fadaei Tirani, Yizhu Liu

2018

Lewis Acid-Mediated One-Electron Reduction of Nitrous Oxide

Kay Severin, Rosario Scopelliti, Euro Solari, Farzaneh Fadaei Tirani, Yizhu Liu

2018

Heptacoordinate Co-II Complex: A New Architecture for Photochemical Hydrogen Production

Euro Solari, Albert Ruggi, Serhii Vasylevskyi, Fiorella Lucarini

The first heptacoordinate cobalt catalyst for light-driven hydrogen production in water has been synthesized and characterized. Photochemical experiments using Ru(bpy)(3) as photosensitizer gave a turnover number (TON) of 16300molH(2)(molcat.)(-1) ac ...

Wiley-V C H Verlag Gmbh2017

The Intricate Structural Chemistry of MII2nLn-Type Assemblies

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

The reaction of cis-blocked, square-planar MII complexes with tetratopic N-donor ligands is known to give metallasupramolecular assemblies of the formula M2nLn. These assemblies typically adopt barrel-like structures, with the ligands paneling the sides of ...

2017

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

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

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

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