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Université de Neuchâtel

Dinuclear ruthenium sawhorse-type complexes containing bridging ligands with ferrocenyl substituents in endo/endo, endo/exo and exo/exo orientations

Auzias, Mathieu ; Therrien, Bruno ; Labat, Gaël ; Stoeckli-Evans, Helen ; Süss-Fink, Georg

In: Inorganica Chimica Acta, 2006, vol. 359, p. 1012-1017

The dinuclear ruthenium complexes Ru2(CO)4(OOCC5H4FeC5H5)2L2 (L = NC5H5: 1, L = PPh3: 2) have been synthesized from Ru3(CO)12, ferrocene carboxylic acid and pyridine or triphenylphosphine, respectively. The single-crystal X-ray structure analysis reveals...

Université de Neuchâtel

Dinuclear ruthenium sawhorse-type complexes containing carboxylato bridges and ferrocenyl substituents: Synthesis and electrochemistry

Auzias, Mathieu ; Süss-Fink, Georg ; Štěpnička, Petr ; Ludvík, Jiří

In: Inorganica Chimica Acta, 2007, vol. 360, no. 6, p. 2023-2028

The ferrocenyl-containing diruthenium complexes [Ru2(CO)4(μ2-η2-OOCFc)2L2] (Fc = ferrocenyl, fc = ferrocen-1,1′-diyl; 1: L = NC5H4–COOC6H4–OC10H21, 2: L =...

Université de Neuchâtel

Ru2(CO)4(OOCR)2(PPh3)2 sawhorse-type complexes containing μ2-η2-carboxylato ligands derived from biologically active acids

Auzias, Mathieu ; Therrien, Bruno ; Süss-Fink, Georg

In: Inorganica Chimica Acta, 2006, vol. 359, no. 1, p. 3412-3416

The thermal reaction of Ru3(CO)12 with the biologically active acids acetyl salicylic acid (Aspirin), α-methyl-4-(isobutyl)phenylacetic acid (Ibuprofen) and 3α,7α,12α-trihydroxy-5β-cholanic acid (cholic acid) in refluxing tetrahydrofuran, followed by addition of triphenylphosphine, gives the dinuclear complexes Ru2 (CO)...

Université de Neuchâtel

1,1′-Ferrocene dicarboxylic acid pyridin-4-yl ester: A new bidentate ligand in arene ruthenium chemistry

Auzias, Mathieu ; Therrien, Bruno ; Süss-Fink, Georg

In: Inorganic Chemistry Communications, 2007, vol. 10, no. 11, p. 1239-1243

1,1′-Ferrocene dicarboxylic acid pyridin-4-yl ester (1) is prepared from 1,1′-ferrocene dicarbonyl chloride and 4-hydroxypyridine. This new bidentate ferrocenoyl ligand reacts with the monocationic complex [(η6-p-cymene)2Ru2 (μ-OH)3]+ to give the dicationic complex...

Université de Neuchâtel

Tetra- and hexanuclear cage molecules based on diruthenium tetracarbonyl sawhorse units: Synthesis and molecular structure of [{Ru2(CO)4 (PPh3)2}2 (O2CCH2CO2)2] and [{Ru2(CO)4 (PMe3)2}3 (O2CC6H4CO2)3]

Auzias, Mathieu ; Therrien, Bruno ; Süss-Fink, Georg

In: Inorganic Chemistry Communications, 2007, vol. 10, no. 12, p. 1420-1424

The thermal reaction of Ru3 (CO)12 with malonic acid, followed by the addition of the corresponding ligand, yields the tetranuclear ruthenium complexes [{Ru2 (CO) 4L2}2 (O2CCH2CO2)2] (L = PPh3: 1, L = 3,5-Me2NC5H3: 2), while the...

Université de Neuchâtel

Arene–ruthenium complexes with ferrocene-derived ligands: Synthesis and characterization of complexes of the type [Ru(η6-arene)(NC5H4CH2NHOC-C5H4FeC5H5)Cl2] and [Ru(η6-arene)(NC3H3N(CH2)2O2C–C5H4FeC5H5)Cl2]

Auzias, Mathieu ; Gueniat, Joël ; Therrien, Bruno ; Süss-Fink, Georg ; Renfrew, Anna K. ; Dyson, Paul J.

In: Journal of Organometallic Chemistry, 2009, vol. 694, no. 6, p. 855-861

Arene–ruthenium complexes of general formula [Ru(η6-arene)(L)Cl2] where L = NC5H4CH2NHOC-C5H4FeC5H5, arene = p-iPrC6H4Me (1) or C6Me6 (2); L = NC3H3N(CH2)...

Université de Neuchâtel

Synthesis, structure and electrochemistry of cationic diruthenium complexes of the type [(N∩N)2Ru2 (CO)2 (μ-CO)2(μ-OOCFc)]+ containing a ferrocenecarboxylato bridge and two chelating aromatic diimine ligands

Auzias, Mathieu ; Therrien, Bruno ; Süss-Fink, Georg ; Štěpnička, Petr ; Ludvík, Jiří

In: Journal of Organometallic Chemistry, 2007, vol. 692, no. 4, p. 755-760

The dinuclear bis(ferrocenecarboxylato) complex Ru2 (CO)4 (μ-OOCFc)2 (py)2 (Fc = ferrocenyl, py = pyridine) was found to react with aromatic diimines (2,2′-dipyridyl, 4,4′-dimethyl-2,2′-dipyridyl, 1,10-phenanthroline, 5-nitro-1,10-phenanthroline, and 5-amino-1,10-phenanthroline) in methanol to give the cationic diruthenium complexes...

Université de Neuchâtel

Di-μ-pivalamidato-bis[dicarbonyl(triphenylphosphine)ruthenium(II)](Ru-Ru)

Auzias, Mathieu ; Therrien, Bruno ; Süss-Fink, Georg

In: Acta Crystallographica Section E, 2005, vol. 61, no. 11, p. 2426-2427

The title dinuclear ruthenium complex, [Ru2 (C5H19NO)2 (C18H15P)2 (CO)4], has been synthesized from Ru3 (CO)12, pivalamide and triphenylphosphine. The structure shows a Ru2 (CO)4 sawhorse backbone with the two OCNH bridges being transoid with respect to each other.

Université de Neuchâtel

New Dinuclear Ru2(CO)4 Sawhorse-Type Complexes Containing Bridging Carboxylato Ligands

Auzias, Mathieu ; Mattsson, Johan ; Therrien, Bruno ; Süss-Fink, Georg

In: Zeitschrift für anorganische und allgemeine Chemie, 2008, vol. 635, no. 1, p. 115-119

The thermal reaction of Ru3(CO)12 with ethacrynic acid, 4-[bis(2-chlorethyl)amino]benzenebutanoic acid (chlorambucil), or 4-phenylbutyric acid in refluxing solvents, followed by addition of two-electron donor ligands (L), gives the diruthenium complexes Ru2 (CO)4(O2CR)2L2 (1: R =...

Université de Neuchâtel

[6-(Hydroxymethyl)pyridin-2-yl]methyl ferrocene-1-carboxylate

Auzias, Mathieu ; Süss-Fink, Georg ; Therrien, Bruno

In: Acta Crystallographica Section E, 2011, vol. E67, no. 11, p. m1618

The crystal structure of the title ferrocene derivative, [Fe(C5H5)(C13H12NO3)], shows strong intermolecular O-H...N hydrogen bonds between the alcohol function and the pyridine group of a neighbouring molecule, while the pyridine function forms another hydrogen bond with the alcohol function of another neighbouring molecule, resulting in the...