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Université de Neuchâtel

Synthesis, Molecular Structure, and Anticancer Activity of Cationic Arene Ruthenium Metallarectangles

Mattsson, Johan ; Govindaswamy, Padavattan ; Renfrew, Anna K. ; Dyson, Paul J. ; Štěpnička, Petr ; Süss-Fink, Georg ; Therrien, Bruno

In: Organometallics, 2009, vol. 28, no. 15, p. 4350–4357

The cytotoxicities of a new series of cationic metallarectangles have been established in the A2780 ovarian cancer cell line. Interestingly, the large rectangles incorporating 1,2-bis(4-pyridyl)ethylene linkers are ca. 5 times more cytotoxic (IC50 ≤ 6 μM) than the 4,4-bipyridine analogues (IC50 ≥ 30 μM), thus suggesting a correlation between cytotoxicity and the size...

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...