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Université de Neuchâtel

Synthesis and characterization of fullerene-pyridyl arene ruthenium complexes

Appavoo, Divambal ; Deschenaux, Robert ; Therrien, Bruno

In: Studia Universitatis Babes-Bolyai. Chemia, 2015, vol. 60, no. 4, p. 229-238

Association of [60]fullerene with arene ruthenium moieties has been achieved for the first time. Two fullerenopyrrolidine derivatives (Npyr-C60) were synthesized via a 1,3-dipolar cycloaddition, and coordinated to arene ruthenium complexes to form two half-sandwich complexes of the general formula...

Université de Fribourg

Tandem ring‐opening–ring‐closing metathesis for functional metathesis catalysts

Nagarkar, Amit A. ; Yasir, Mohammad ; Crochet, Aurelien ; Fromm, Katharina M. ; Kilbinger, Andreas F. M.

In: Angewandte Chemie International Edition, 2016, vol. 55, no. 40, p. 12343–12346

Use of a tandem ring-opening–ring-closing metathesis (RORCM) strategy for the synthesis of functional metathesis catalysts is reported. Ring opening of 7-substituted norbornenes and subsequent ring-closing metathesis forming a thermodynamically stable 6-membered ring lead to a very efficient synthesis of new catalysts from commercially available Grubbs’ catalysts. Hydroxy functionalized...

Université de Fribourg

Efficient electronic communication of two ruthenium centers through a rigid ditopic N-heterocyclic carbene linker

Nussbaum, Michael ; Schuster, Oliver ; Albrecht, Martin

In: Chemistry – A European Journal, 2013, vol. 19, no. 51, p. 17517–17527

A ditopic benzobis(carbene) ligand precursor was prepared that contained a chelating pyridyl moiety to ensure co-planarity of the carbene ligand and the coordination plane of a bound octahedral metal center. Bimetallic ruthenium complexes comprising this ditopic ligand [L₄Ru-C,N-bbi-C,N-RuL₄] were obtained by a transmetalation methodology...

Université de Neuchâtel

Excellent Correlation between Drug Release and Portal Size in Metalla-Cage Drug-Delivery Systems

Barry, Nicolas P.E. ; Zava, Olivier ; Dyson, Paul J. ; Therrien, Bruno

In: Chemistry - A European Journal, 2011, vol. 17, no. 35, p. 9669-9677

A series of large cationic hexanuclear metalla-prisms, [Ru6(p-iPrC6H4Me)6(tpt)2(donq)3]6+, [Ru6(p-iPrC6H4Me)6(tpt)2(doaq)3]6+ and...

Université de Neuchâtel

Ru2(CO)4{OOC(CH2)nCH3}2L2 sawhorse-type complexes containing μ2-η2-carboxylato ligands derived from saturated fatty acids

Johnpeter, J. P. ; Therrien, Bruno

In: Journal of Structural Chemistry, 2011, vol. 52, no. 1, p. 151-159

The thermal reaction of Ru3(CO)12 with the saturated fatty acids (heptanoic, nonanoic, decanoic, tridecanoic, tetradecanoic, heptadecanoic, octadecanoic) in refluxing tetrahydrofuran, followed by addition of triphenylphosphine (PPh3) or pyridine (C5H5N), gives the dinuclear complexes...

Université de Neuchâtel

Water Oxidation: A Robust All-Inorganic Catalyst

Süss-Fink, Georg

In: Angewandte Chemie International Edition, 2008, vol. 47, no. 32, p. 5888-5890