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Université de Fribourg

Formation and Reactivity of [(tacn)-N-CO-Re(III)Br(CO)(2)](+) in Water : a Theoretical and Experimental Study

Zobi, Fabio ; Blacque, Olivier ; Steyl, Gideon ; Spingler, Bernhard ; Alberto, Roger

In: Inorganic Chemistry, 2009, vol. 48, no. 11, p. 4963-4970

The chemistry of [(tacn)-N-CO-Re(III)(CO)(2)Br]X (X = Cl or Br), obtained in good yield from the reaction of fac-[(tacn)Re(I)(CO)(3)]Br (1, tacn = 1,4,7- triazacyclononane) with X(2) in water, is described. The [(tacn)-N-CO-Re(III)(CO) (2)Br]X complex (2 with X = Br(-); 2a with X = BrCl(2)(-)), which we have previously communicated, is characterized by an unusual three-membered ring acyl amide...

Université de Fribourg

Self-assembly of Ag(I) helicates with new enantiopure 5,6-Chiragen type ligands

Mamula, Olimpia ; Bark, Thomas ; Quinodoz, Boris ; Stoeckli-Evans, Helen ; Zelewsky, Alexvon

In: Inorganica Chimica Acta, 2018, vol. 475, p. 200–206

Two new chiral bis-bidentate, C2-symmetrical ligands belonging to the Chiragen family have been synthesised and characterised. They are designed for polynuclear self-assemblies since the two (−)-5,6-pinenebipyridines units are connected by bridges whose length and rigidity avoids the coordination of the bipyridine moieties to the same metal centre. The ligand L1 with a 1,4-dimethylene...

Université de Neuchâtel

Template-Directed Synthesis of Hexanuclear Arene Ruthenium Complexes with Trigonal-Prismatic Architecture Based on 2,4,6-Tris(3-pyridyl)triazine Ligands

Freudenreich, Julien ; Furrer, Julien ; Süss-Fink, Georg ; Therrien, Bruno

In: Organometallics, 2011, vol. 30, no. 5, p. 942–951

Cationic arene ruthenium metalla-prisms of the general formula [Ru6(p-cymene)6(3-tpt)2(OO∩OO)3]6+ (3-tpt = 2,4,6-tris(3-pyridyl)-1,3,5-triazine; OO∩OO = 5,8-dioxido-1,4-naphthoquinonato [1]6+ or 6,11-dioxido-5,12-naphthacenedionato [2]6+) have been obtained from the corresponding...

Université de Neuchâtel

Efficient Oxidation of Cysteine and Glutathione Catalyzed by a Dinuclear Areneruthenium Trithiolato Anticancer Complex

Giannini, Federico ; Furrer, Julien ; Süss-Fink, Georg

In: Inorganic Chemistry, 2011, vol. 50, no. 21, p. 10552–10554

The highly cytotoxic diruthenium complex [(p-MeC6H4Pri)2Ru2(SC6H4-p-Me)3]+ (1), water-soluble as the chloride salt, is shown to efficiently catalyze oxidation of the thiols cysteine and glutathione to give the corresponding disulfides, which may explain its high in vitro...