Densely substituted fused aromatic triazenes can be prepared by [2 + 2 + 2] cyclotrimerization reactions of 1-alkynyl triazenes. The Cp*Ru-catalyzed cyclization proceeds well with both simple alkynyl triazenes and tethered 1-diynyl triazenes. Attractively, ...

2019

Cages vs. Prisms: Controlling the Formation of Metallosupramolecular Architectures with Ligand Side-Chains

Kay Severin, Rosario Scopelliti, Farzaneh Fadaei Tirani, Giacomo Cecot, Andrea Luca Ramorini, Ophélie Marie Planes, Martin Tim Doll

Metallosupramolecular assemblies of the general formula M2nLn can adopt prismatic or cage‐like structures. The factors controlling the aggregation number n and the geometry of the final assembly are still not fully understood. Here, we describe the synthes ...

2019

Synthesis of Organic Super-Electron-Donors by Reaction of Nitrous Oxide with N-Heterocyclic Olefins

Andrzej Sienkiewicz, Kay Severin, Rosario Scopelliti, Basile Curchod, Léonard Yannick Maurice Eymann, Farzaneh Fadaei Tirani, Yizhu Liu, Ophélie Marie Planes, Paul Varava, Andrei Shved

The reaction of nitrous oxide (N2O) with N-heterocyclic olefins (NHOs) results in cleavage of the N–O bond and formation of azo-bridged NHO dimers. The latter represent very electron-rich compounds with a low ionization energy. Cyclic voltammetry studies s ...

2019

Reversible disassembly of metallasupramolecular structures mediated by a metastable-state photoacid

Kay Severin, Giacomo Cecot, Suzanne Maria Jansze

The addition of a metastable-state photoacid to solutions containing metal–ligand assemblies renders the systems light responsive. Upon irradiation, proton transfer from the photoacid to the ligand is observed, resulting in disassembly of the metallasupram ...

2018

Homo- and Heterodinuclear Iron Clathrochelate Complexes with Functional Groups in the Ligand Periphery

Andrzej Sienkiewicz, Kay Severin, Rosario Scopelliti, Henrik Moodysson Rønnow, Ivica Zivkovic, Mathieu Jérémie Marmier, Konstantin Zhurov, Cornel Fink, José Luis Bila

2018

Synthesis of Azo Dyes from Mesoionic Carbenes and Nitrous Oxide

Kay Severin, Rosario Scopelliti, Léonard Yannick Maurice Eymann, Farzaneh Fadaei Tirani

2018

One-Pot Synthesis of Trisubstituted Triazenes from Grignard Reagents and Organic Azides

Kay Severin, Rosario Scopelliti, Farzaneh Fadaei Tirani, Abdusalom Suleymanov

2018

Inflating face-capped Pd6L8 coordination cages

Kay Severin, Rosario Scopelliti, Laure Menin, Farzaneh Fadaei Tirani, Suzanne Maria Jansze

Royal Society of Chemistry2018

Clathrochelate Metalloligands in Supramolecular Chemistry and Materials Science

Kay Severin, Suzanne Maria Jansze

2018

Synthesis of Vinyl Triazenes by Palladium-Catalyzed Addition Reactions to Alkynyl Triazenes

Kay Severin, Rosario Scopelliti, Farzaneh Fadaei Tirani, Abdusalom Suleymanov

Wiley2018

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

Gold-Catalyzed Synthesis of 1,3-Diaminopyrazoles from 1-Alkynyltriazenes and Imines

Kay Severin, Rosario Scopelliti, Loïc Nicolas Jeanbourquin, Farzaneh Fadaei Tirani

A new procedure for the synthesis of highly substituted 1,3-diaminopyrazoles is described. As substrates, we have employed 1-alkynyltriazenes and imines. The formation of pyrazoles was achieved by two-fold C–N coupling reactions in the presence of (JohnPho ...

2017

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

PdII2L4-type coordination cages up to three nanometers in size

Kay Severin, Rosario Scopelliti, Matthew David Wise, Suzanne Maria Jansze

The utilization of large ligands in coordination-based self-assembly represents an attractive strategy for the construction of supramolecular assemblies more than two nanometers in size. However, the implementation of this strategy is hampered by the fact ...

2017

Page 4 of 11