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Kay Severin

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Publications associées (216)

Ruthenium-based metallacrown complexes for the selective detection of lithium ions in water and in serum by fluorescence spectroscopy

Kay Severin, Sébastien Rochat, Zacharias Immanuel Grote

Fluorescent dihydroxypyridine ligands were prepared by attaching pyrene-, dansyl-, and methoxycoumarin-fluorophores via dimethyleneamine linkers. The reaction of these ligands with [(p-cymene)RuCl2]2 or [(C6H5CH2NMe2H)RuCl2]2Cl2 resulted in the formation o ...

2009

Microwave-Assisted Organometallic Syntheses: Formation of Dinuclear [(Arene)Ru(-Cl)3RuCl(L-L')] Complexes (L-L'= Chelate Ligands with P/N/S-Donor Atoms) by Displacement of Arene pi-Ligands

Kay Severin, Rosario Scopelliti, Sébastien Gauthier

Microwave heating was employed to promote arene displacement in reactions of [{(p-cymene)RuCl2}(2)] or [{(1,3,5-C-6,H(3)iPr(3))RuCl2}(2)] with neutral chelate ligands L-L' [L-L': 1,1'-bis(diphenylphosphanyl)methane, 1,1'- bis(diphenylphosphanyl)ferrocene, ...

2009

Expanding the Size of Organometallic Nanostructures: A Hexanuclear (Cymene)Ru Cylinder with a Length of more than 3 nm

Kay Severin, Rosario Scopelliti

Coordination cages based on organometallic half-sandwich complexes are of interest, because they can display unique structures and host properties. This communication describes the synthesis and structure of a cylindrical nanostructure containing six (p-cy ...

2009

Transferring the Concept of Multinuclearity to Ruthenium Complexes for Improvement of Anticancer Activity

Kay Severin, Christian Hartinger, Alexey Nazarov, Michael Groessl

Multinuclear platinum anticancer complexes are a proven option to overcome resistance of established anticancer compounds. Transferring this concept to ruthenium complexes led to the synthesis of dinuclear Ru(II)-arene compounds containing a bis(pyridinone ...

2009

Sensing with Dynamic Combinatorial Libraries of Metal-Dye Complexes: The Advantage of Time-Resolved Measurements

Kay Severin, Friederike Gundula Marie Zaubitzer

A dynamic combinatorial library of metal–dye complexes was obtained by reacting aqueous solutions of the dyes Methyl Calcein Blue, Arsenazo I, and Xylenol Orange with CuCl2 and NiCl2. The mixture gave a characteristic UV-Vis response upon addition of the p ...

2009

Deracemization of a Dynamic Combinatorial Library Induced by (–)-Cytidine and (–)-2-Thiocytidine

Kay Severin

2008

Importance of the p-Ligand: Remarkable Effect of the Cyclopentadienyl Ring on the Cytotoxicity of Ruthenium PTA Compounds

Kay Severin, Rosario Scopelliti, Paul Joseph Dyson, Claudine Scolaro, Barnali Dutta

The water-sol. complexes [(Cp'OR)RuCl(PTA)2] (Cp'OR = h5-1-alkoxy-2,4-di-tert-butyl-3-neopentylcyclopentadienyl; R = Me, Et; PTA = 1,3,5-triaza-7-phosphaadamantane) are considerably more cytotoxic (.apprx.2 orders of magnitude) than the cyclopentadienyl an ...

2008

Breaking the Symmetry: Assembly of Cylindrical Nanostructures with a C3-Symmetrical Ligand

Kay Severin, Rosario Scopelliti, Euro Solari

2008

Dinuclear Ruthenium Ethylene Complexes: Syntheses, Structures, and Catalytic Applications in ATRA and ATRC Reactions

Kay Severin, Rosario Scopelliti, Katrin Anne Thommes

2008

The Enigmatic Nature of RhICl(Cyclopentadienone) Complexes: Dimers, Trimers, and Tetramers

Kay Severin, Rosario Scopelliti

2008

Synthesis, Structure, and Reactivity of the Methoxy-Bridged Dimer [Cp^Ru(mu-OMe)]2 (Cp^ = 1-Methoxy-2,4-di-ter-butyl-3-neopentylcyclopentadienyl)

Kay Severin, Rosario Scopelliti, Barnali Dutta

2008

Coordination Cages of Rhodium and Iridium as Exoreceptors for Alkali Metal Ions

Kay Severin, Rosario Scopelliti, Elvira Krasniqi

2008

The Aerobic Oxidation of Alcohols with a Ruthenium Porphyrin Catalyst in Organic and Fluorinated Solvents

Kay Severin

2008

Indicator Displacement Assays as Molecular Timers

Kay Severin, Andrey Buryak, Friederike Gundula Marie Zaubitzer, Alexei Pozdnoukhov

2008

Boron-Based Rotaxanes by Multicomponent Self-Assembly

Kay Severin, Rosario Scopelliti, Nicolas Christinat

Royal Society of Chemistry2008

Influence of the Spacer Length on the in Vitro Activity of Dinuclear Ruthenium-Arene Compounds

Kay Severin, Christian Hartinger, Alexey Nazarov

2008

Multicomponent Assembly of Boronic Acid Based Macrocycles and Cages

Kay Severin, Rosario Scopelliti, Nicolas Christinat

Wiley-VCH Verlag GmbH2008

Modifying the Structure of Dinuclear Ruthenium Complexes with Antitumor Activity

Kay Severin, Christian Hartinger, Alexey Nazarov

2008

A Self-Assembled Receptor for the Recognition of Phosphate and Acetate in Neutral Aqueous Solution

Kay Severin, Rosario Scopelliti, Euro Solari, Zacharias Immanuel Grote

Royal Society of Chemistry2007

Formation of a Ruthenium mu-Carbide Complex with Acetylene as the Carbon Source

Kay Severin, Rosario Scopelliti, Euro Solari, Sébastien Gauthier

Reactions of the dinuclear ruthenium complex [(p-cymene)Ru(mu-Cl)3RuCl(C2H4)(PCy3)] with phenylacetylene or tert-butylacetylene gave the vinylidene complexes [(p-cymene)Ru(mu-Cl)3RuCl(=C=CHR)(PCy3)] (R = tBu, Ph), which were characterized crystallographica ...

2007

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