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...

Université de Neuchâtel

Liquid-Crystalline Dendrimers Designed by Click Chemistry

Guerra, Sebastiano ; Nguyen, Thi Le Anh ; Furrer, Julien ; Nierengarten, Jean-François ; Barberá, Joaquín ; Deschenaux, Robert

In: Macromolecules, 2016, vol. 49, no. 9, p. 3222-3231

Liquid-crystalline dendrimers have been prepared from second-generation Percec- type poly(benzyl ether) dendrons or second-generation poly(aryl ester) dendrons carrying cyanobiphenyl mesogens. The Janus dendrimer, which combines the two types of dendromesogens, has also been synthesized. Those compounds have been prepared under copper-catalyzed azide–alkyne cycloaddition conditions. The ...

Université de Neuchâtel

In- and Out-of-Cavity Interactions by Modulating the Size of Ruthenium Metallarectangles

Barry, Nicolas P.E. ; Furrer, Julien ; Therrien, Bruno

In: Helvetica Chimica Acta, 2010, vol. 93, no. 7, p. 1313-1328

Cationic (arene)ruthenium-based tetranuclear complexes of the general formula [Ru4(η6-p-cymene)4(μ-N∩N)2(μ-OO∩OO)2]4+ were obtained from the dinuclear (arene)ruthenium complexes [Ru2...

Université de Neuchâtel

Accordion-optimized DEPT experiments

Furrer, Julien ; Guerra, Sebastiano ; Deschenaux, Robert

In: Magnetic Resonance in Chemistry, 2011, vol. 49, no. 1, p. 16-22

In this contribution, a pulse sequence is described for recording accordion-optimized DEPT experiments. The proposed ACCORDEPT experiment detects a wide range of one-bond coupling constants using accordion optimization. As a proof of concept, this strategy has been applied to a mesogen containing a large range of one-bond 1JCH coupling constants associated with the various...

Université de Neuchâtel

Designing the Host-Guest Properties of Tetranuclear Arene Ruthenium Metalla-Rectangles to Accommodate a Pyrene Molecule

Barry, Nicolas P. E. ; Furrer, Julien ; Freudenreich, Julien ; Süss-Fink, Georg ; Therrien, Bruno

In: European Journal of Inorganic Chemistry, 2010, vol. 5, p. 725-728

Cationic tetranuclear arene ruthenium complexes of the general formula [Ru4(p-cymene)4(N∩N)2(dhnq)2]4+ comprising rectangular structures are obtained in methanol from the reaction of the dinuclear arene ruthenium precursor [Ru2(p-cymene)2(dhnq)2Cl2] (dhnq =...

Université de Neuchâtel

Encapsulation of Triphenylene Derivatives in the Hexanuclear Arene Ruthenium Metallo-Prismatic Cage [Ru6 (p-PriC6H4Me)6(tpt)2 (dhbq)3]6+ (tpt = 2,4,6-tri(pyridin-4-yl)-1,3,5-triazine, dhbq = 2,5-dihydroxy-1,4-benzoquinonato)

Govindaswamy, Padavattan ; Furrer, Julien ; Süss-Fink, Georg ; Therrien, Bruno

In: Zeitschrift für anorganische und allgemeine Chemie, 2008, vol. 634, no. 8, p. 1349-1352

A large cationic triangular metallo-prism, [Ru6(p-PriC6H4Me)6 (tpt)2 (dhbq)3]6+ (1)6+, incorporating p-cymene ruthenium building blocks, bridged by 2,5-dihydroxy-1,4-benzoquinonato (dhbq) ligands, and connected by two 2,4,6-tri(pyridin-4-yl)-1,3,5-triazine (tpt) subunits, allows the permanent...

Université de Neuchâtel

Organometallic boxes built from 5,10,15,20-tetra(4-pyridyl)porphyrin panels and hydroxyquinonato-bridged diruthenium clips

Barry, Nicolas P.E. ; Govindaswamy, Padavattan ; Furrer, Julien ; Süss-Fink, Georg ; Therrien, Bruno

In: Inorganic Chemistry Communications, 2008, vol. 11, no. 10, p. 1300-1303

Self-assembly of 5,10,15,20-tetra(4-pyridyl)porphyrin (tpp-H2) tetradentate panels with dinuclear arene ruthenium clips [Ru2 (η6-arene)2 (dhbq)Cl2] (arene = C6H5Me, p-PriC6H4Me, C6Me6; dhbq = 2,5-dihydroxy-1,4-benzoquinonato) affords the cationic organometallic boxes...