Ruthenium

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Organometallic chemistry

Related publications (219)

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Related publications (219)

Binding of Organometallic Ruthenium(II) and Osmium(II) Complexes to an Oligonucleotide: A Combined Mass Spectrometric and Theoretical Study

Paul Joseph Dyson, Rosario Scopelliti, Ursula Röthlisberger, Ivano Tavernelli, Christian Gossens, Antoine Dorcier

Ru(II) and Os(II) p-cymene dichloride complexes with either a pta (1,3,5-triaza-7-phosphatricyclo[3.3.1.1]decane) or [pta-Me]Cl ligand which exhibit anticancer activity were prepd. and characterized by 1H and 31P NMR spectroscopy and mass spectrometry. Thr ...

2005

Cluster and polynuclear compounds. Mixed-metal clusters of iridium with ruthenium and osmium

Gabor Laurenczy

The synthesis of [PPN][IrRu3(CO)13] and [PPN][IrOs3(CO)13] from the reaction of [PPN][Ir(CO)4] with M3(CO)12 (M = Ru or Os) is discussed. [PPN][IrRu3(CO)13] is a red-brown microcryst. powder, while [PPN][IrOs3(CO)13] is an orange-red microcryst. powder. Bo ...

2004

Synthesis of phthalocyanines with two carboxylic acid groups and their utilization in solar cells based on nano-structured TiO2

Ulf Anders Hagfeldt

A method for anchoring unsym. phthalocyaninato-metal complexes (metal ion: zinc and ruthenium) is described. The synthesis and characterization of these complexes, ZnL and Ru(4-picoline)2L (H2L = 2,3-bis(carboxyphenoxy)-9,10,16,17,23,24-hexakis(pentoxy)pht ...

2004

Hydrogenation and hydroformylation in ionic liquids, water and biphasic systems

This work covers homogeneous and biphasic catalysis in ionic liquids and water. The work presented herein is divided into two major parts: catalytic hydrogenation and catalytic hydroformylation. The first part also serves as an introduction to catalysis in ...

EPFL2004

Electropolymerisable bipyridine ruthenium(II) complexes: synthesis, spectroscopic and electrochemical characterisation of 4-((2-thienyl)ethenyl)- and 4,4'-di((2-thienyl)ethenyl)-2,2'-bipyridine ruthenium complexes

Ulf Anders Hagfeldt

Four new Ru polypyridyl complexes with mono- or di((2-thienyl)ethenyl) substituted bipyridines were synthesized. The complexes were characterized by NMR, elemental anal., UV-visible absorption and electrochem. (differential pulse and cyclic voltammetry). E ...

2004

A heterobimetallic rhodium(I)-ruthenium(II) catalyst for the Oppenauer-type oxidation of primary and secondary alcohols under mild conditions

Kay Severin, Sébastien Gauthier

A heterobimetallic complex, in which a RuCl2(acetone) (PPh3)(2) fragment is connected via three chloro bridges to a (eta(4)-C4Ph4CO)RhCl fragment, has been identified as a potent catalyst precursor for the Oppenauer-type oxidation of alcohols. With 0.1-0.5 ...

2004

Water-soluble (eta(6)-arene)ruthenium(II)-phosphine complexes and their catalytic activity in the hydrogenation of bicarbonate in aqueous solution

Gabor Laurenczy

The reactions of (eta(6)-C6H6)RuCl2 and (eta(6)-p-cymene)RuCl2 With hydrogen in the presence of the water-soluble phosphines tppts (meta-trisulfonated triphenylphosphine) and pta (1,3,5-triaza-7-phosphaadamantane) afforded as the main species [(e ...

2004

Osmium isotopic compositions of Os-rich platinum group element alloys from the Klamath and Siskiyou Mountains

Anders Meibom, Reto Frei

[1] We present new measurements of Os-186/Os-188 and Os-187/Os-188 in 10 Os-rich platinum group element (PGE) alloys from placer deposits formed by the mechanical erosion of peridotite-bearing ophiolites in the Klamath and Siskiyou Mountains in northern Ca ...

2004

Electropolymerisation dynamics of a highly conducting metallopolymer: poly-[Os(4'-(5-(2,2'-bithienyl))-2,2':6',2''-terpyridine)2]2+

Ulf Anders Hagfeldt

The potential, time, and concn. dependence of the potentiostatic electropolymn. of the thienyl-substituted transition metal complex [Os(bttpy)22+] onto platinum disk microelectrodes is reported, bttpy is 4'-(5-(2,2'-bithienyl))-2,2':6',2''-terpyridine. Oxi ...

2004

Minor modifications to the ligands surrounding a ruthenium complex lead to major differences in the way in which they catalyse the hydrogenation of arenes

Paul Joseph Dyson, Gabor Laurenczy

The hydrogenation of benzene and other arenes under aqueous-organic biphasic conditions is evaluated using the ruthenium complexes Ru(eta(6)-C10H14)(pta)Cl-2 (pta=1,3,5-triaza-7-phosphaadamantane), Ru(eta(6)-C10H14)(tppts)Cl-2 (tppts=tris-3-sulfonatophenyl ...

2003

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