Publications associées à Palladium(II)-Stabilized Pyridine-2-Diazotates: Synthesis, Structural Characterization, and Cytotoxicity Studies

Varying the metal to ethacrynic acid ratio in ruthenium(ii)/osmium(ii)-p-cymene conjugates

Paul Joseph Dyson, Catherine Marie Amélie Clavel, Emilia Paunescu, Mylène Soudani

Following the identification of a ruthenium(II)-arene complex with an ethacrynic acid-modified imidazole ligand, which inhibits glutathione transferase (GST) and is cytotoxic to chemo-resistant cancer cells, a series of structurally related ruthenium(II)- ...

Elsevier2017

Arene-Ruthenium(II) Complexes with Bioactive ortho-Hydroxydibenzoylmethane Ligands: Synthesis, Structure, and Cytotoxicity

Paul Joseph Dyson, Tina Riedel, Agnese Petrini

The synthesis of a series of neutral arene-ruthenium (II) complexes (arene = p-cymene, hexamethylbenzene, and benzene) [(arene)Ru(HDB) Cl] derived from the reaction of the appropriate arene-ruthenium(II) dimers and ortho-hydroxydibenzoylmethane (HDBH), a p ...

Wiley-Blackwell2017

Ovary-specific depletion of the nuclear receptor Nr5a2 compromises expansion of the cumulus oophorus but not fertilization by intracytoplasmic sperm injection

Kristina Schoonjans

The orphan nuclear receptor, liver receptor homolog-1 (aka Nuclear receptor subfamily 5, Group A, Member 2 (Nr5a2)), is widely expressed in mammalian tissues, and its ovarian expression is restricted to granulosa cells of activated follicles. We employed t ...

Society for the Study of Reproduction2017

Nonsteroidal Anti-inflammatory-Organometallic Anticancer Compounds

Rosario Scopelliti, Paul Joseph Dyson, Emilia Paunescu, Mylène Soudani, Sarah Mcarthur

Compounds that combine metal-based drugs with covalently linked targeted organic agents have been shown, in some instances, to exhibit superior anticancer properties compared to the individual counterparts. Within this framework, we prepared a series of or ...

Amer Chemical Soc2016

Arene Osmium Complexes with Ethacrynic Acid-Modified Ligands: Synthesis, Characterization, and Evaluation of Intracellular Glutathione S-Transferase Inhibition and Antiproliferative Activity

Paul Joseph Dyson, Emilia Paunescu, Tina Riedel

Four arene osmium complexes were prepared containing derivatives of ethacrynic acid, a potent inhibitor of glutathione Stransferases, either by direct coordination or via N- or P-donor ligands. The complexes were characterized by spectroscopic and analytic ...

American Chemical Society2016

Iridium-Stabilized pi-Selenocyclohexadienyls: Synthesis, Molecular Structure, and Cytotoxicity

Paul Joseph Dyson, Tina Riedel

A series of iridium-stabilized selenocyclohexadienyls of general formula [CpIr((5)-C6H5-nMenSe)][BF4] {Cp = (5)-C5Me5, n = 0, n = 1, and n = 3} is described, with the selenocyclohexadienyl unit being isolated for the first time by -coordination to a Cp*I ...

Georg Thieme Verlag Kg2015

NanoSIMS analysis of an isotopically labelled organometallic ruthenium(II) drug to probe its distribution and state in vitro

Kai Johnsson, Paul Joseph Dyson, Graham Knott, Mary-Claude Croisier-Coeytaux, Anders Meibom, Stéphane Laurent Escrig

The in vitro inter-and intra-cellular distribution of an isotopically labelled ruthenium(II)-arene (RAPTA) anti-metastatic compound in human ovarian cancer cells was imaged using nano-scale secondary ion mass spectrometry (NanoSIMS). Ultra-high resolution ...

Royal Society of Chemistry2015

Selenoquinones Stabilized by Ruthenium( II) Arene Complexes: Synthesis, Structure, and Cytotoxicity

Paul Joseph Dyson, Catherine Marie Amélie Clavel

A new series of monoselenoquinone and diselenoquinone complexes, [((6)-p-cymene)Ru((4)-C6R4SeE)] (R=H, E=Se (6); R=CH3, E=Se (7); R=H, E=O (8)), as well as selenolate complexes [((6)-p-cymene)Ru((5)-C6H3R2Se)][SbF6] (R=H (9); R=CH3 (10)), stabilized by are ...

Wiley-V C H Verlag Gmbh2014

Ruthenium(II) and osmium(II) 1,2,3-triazolylidene organometallics: a preliminary investigation into the biological activity of 'click' carbene complexes

Paul Joseph Dyson, Stéphanie Crot, Kelly Joan Kilpin, Tina Riedel

Taking advantage of the facile and versatile synthetic properties of 'click' 1,2,3-triazolylidene N-heterocyclic carbenes (tzNHC's), a range of new organometallic Ru(II) and Os(II) arene complexes containing functionalised tzNHC ligands, [M(eta(6)-p-cymene ...

2014

Synthesis, structural characterization and cytotoxicity of bimetallic chlorogold(I) phosphine complexes employing functionalized phosphinoferrocene carboxamides

Paul Joseph Dyson, Tina Riedel

Gold( I) phosphine complexes of the general formula [AuCl(Ph(2)PfcCONHY-kappa P)], where Y is CH2CO2Me (7), CH2CONH2 (8), CH2CH2OH (9), CH(CH2OH)(2) (10), C(CH2OH)(3) (11), and CH2SO3(HNEt3) (12), and fc is ferrocene-1,1'-diyl, were prepared from [AuCl(tht ...

Elsevier Science Sa2014

Highly water soluble trithiolato-bridged dinuclear arene ruthenium complexes

Paul Joseph Dyson, Patrycja Nowak-Sliwinska, Noelia Claude Herrero

Water soluble arene-functionalised trithiolato-bridged ruthenium complexes of general formula (eta(6)-C6H5OCH2CH2OH)(2)Ru-2(mu-SR)(3), where R = C6H5 (1), C6H4-p-OMe (2), C6H4-p-OMe (3), C6H4-p-Pr-i (4), C6H4-p-Bu-t (5), CH2C6H5 (6), CH2CH2C6H5 (7) an ...

Elsevier Science Sa2014

Arene ruthenium and pentamethylcyclopentadienyl rhodium and iridium complexes containing N,O-chelating ligands derived from piroxicam: Synthesis, molecular structure and cytotoxicity

Paul Joseph Dyson, Tina Riedel

The non-steroidal anti-inflammatory and anti-arthritic drug piroxicam (LH) reacts with arene ruthenium dichloride dimers in refluxing dichloromethane to give the complexes [(eta(6)-arene)Ru(eta(2)-N,O-L)Cl] (3: arene = C6H5Me, 4: arene = p-MeC6H4Pri, 5: ar ...

Elsevier2014

Synthesis, characterisation and in vitro anticancer activity of hexanuclear thiolato-bridged arene ruthenium metallaprisms

Paul Joseph Dyson, Catherine Marie Amélie Clavel

Hexanuclear thiolato-bridged arene ruthenium metalla-prisms of the general formula [(p-cymene)6Ru6(SR)6(tpt)2]6+ (R=CH2Ph, CH2C6H4-p-tBu, CH2CH2Ph; tpt=2,4,6-tris(4-pyridyl)-1,3,5-triazine), obtained from the dinuclear precursors [(p-cymene)2Ru2(SR)2Cl2], ...

Wiley-V C H Verlag Gmbh2013

Arene ruthenium dichloro complexes containing isonicotinic ester ligands: Synthesis, molecular structure and cytotoxicity

Paul Joseph Dyson, Olivier Pierre Zava

A series of p-cymene ruthenium dichloro complexes containing isonicotinic ester ligands, [(arene) RuCl2NC5H4-4-COO-C6H4-p-O-(CH2)(n)-CH3] (n = 1: 1, n = 3: 2, n = 5: 3, n = 7:4, n = 9: 5, n = 11: 6, n = 13: 7, n = 15: 8), were prepared from p-cymene ruthen ...

Elsevier2013

Ruthenium(II) arene PTA (RAPTA) complexes: impact of enantiomerically pure arene ligands

Paul Joseph Dyson, Catherine Marie Amélie Clavel, Kelly Joan Kilpin, Shona Cammack

Organometallic ruthenium(II) arene complexes containing the PTA ligand ([Ru(eta(6)-arene)Cl-2(PTA)], PTA = 1,3,5-triaza-7-phosphatricyclo-[3.3.1.1] decane, termed RAPTA) show pharmacologically relevant antitumour properties in vitro. Two new enantiomeric p ...

Royal Society of Chemistry2013

Enhancement of Cytotoxicity by Combining Pyrenyl-Dendrimers and Arene Ruthenium Metallacages

Paul Joseph Dyson, Olivier Pierre Zava

Three generations of pyrenyl bis-MPA dendrimers with two different end-groups, acetonide (pyrG) or alcohol (pyr(Gn center dot OH)) (n = 1-3), were synthesized, and the pyrenyl group of the dendritic molecules was encapsulated in the arene ruthenium metalla ...

2012

Thiolato-bridged arene-ruthenium complexes: synthesis, molecular structure, reactivity and anticancer activity of the dinuclear complexes [(arene)2Ru2(SR)2C12]

Paul Joseph Dyson, Olivier Pierre Zava

Treatment of an areneruthenium dichloride dimer with thiols RSH to lead to cationic trithiolato complexes of the type [(arene)2Ru2(SR)3]+ was shown to proceed through the neutral thiolato complexes [(arene)2Ru2(SR)2Cl2], which have been isolated and charac ...

Wiley-Blackwell2012

Highly cytotoxic trithiophenolatodiruthenium complexes of the type [(eta(6)-p-MeC6H4Pr (i) )(2)Ru-2(SC6H4-p-X)(3)](+): synthesis, molecular structure, electrochemistry, cytotoxicity, and glutathione oxidation potential

Paul Joseph Dyson, Olivier Pierre Zava, Mathurin Baquié

A series of cationic dinuclear p-cymene ruthenium trithiophenolato complexes of the type (eta(6)-p-MeC6H4Pr (i) )(2)Ru-2(SC6H4-p-X)(3) (1 X is H, 2 X is Me, 3 X is Ph, 4 X is Br, 5 X is OH, 6 X is NO2, 7 X is OMe, 8 X is CF3, 9 X is F, 10 X is Pr (i) ...

2012

Combination of metallomics and proteomics to study the effects of the metallodrug RAPTA-T on human cancer cells

Paul Joseph Dyson, Michael Groessl

An approach to characterize the interactions of RAPTA-T, a novel ruthenium-based anticancer drug candidate with intriguing antimetastatic properties, with human ovarian cancer cells in vitro is described. The distribution profile of the metallodrug within ...

Royal Society of Chemistry2012

Encapsulation of Pyrene-Functionalized Poly(benzyl ether) Dendrons into a Water-Soluble Organometallic Cage

Olivier Pierre Zava

Two generations of lipophilic pyrenyl functionalized poly(benzyl ether) dendrimers (P-1 and P-2) have been synthesized. The thermal properties of the two functionalized dendrimers have been investigated, and the pyrenyl group of the dendritic molecules enc ...

2011