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Olivier Pierre Zava

Cette personne a quitté l’EPFL

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Publications associées (33)

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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) ...

Springer2012

Highly Cytotoxic Copper(II) Complexes with Modified Paullone Ligands

Paul Joseph Dyson, Olivier Pierre Zava

The reaction of copper(II) chloride or copper(II) acetate with 6-N-(2-N',N'-dimethylaminoethylamino)-7,12-dihydroindolo-[3,2-d][1]benzazepine (HL1), 9-bromo-6-N-(2-N',N'-dimethylaminoethylamino)-7,12-dihydroindolo[3,2-d][1]benzazepine (HL2), N-9-bromo-7,12 ...

2010

Cellular uptake and subcellular distribution of ruthenium-based metallodrugs under clinical investigation versus cisplatin

Paul Joseph Dyson, Olivier Pierre Zava, Michael Groessl

The cellular uptake and subcellular distribution including adduct formation with genomic DNA and uptake into mitochondria of two ruthenium(III)-based drugs in clinical trials, KP1019 and NAMI-A, and cisplatin, was investigated in cisplatin sensitive and re ...

2011

In vitro anticancer activity and biologically relevant metabolization of organometallic ruthenium complexes with carbohydrate-based ligands

Paul Joseph Dyson, Christian Hartinger, Alexey Nazarov, Olivier Pierre Zava, Michael Groessl, Frédéric Schmitt

The synthesis and in vitro anticancer activity of dihalo(η6-p-cymene)(3,5,6-bicyclophosphite-α-D-glucofuranoside)ruthenium(II) complexes are described. The compds. were characterized by NMR spectroscopy and ESI mass spectrometry, and the mol. structures of ...

2008

Thiophenolato-bridged dinuclear arene ruthenium complexes: a new family of highly cytotoxic anticancer agents

Paul Joseph Dyson, Olivier Pierre Zava

New cationic diruthenium complexes of the type [(arene)2Ru2(SPh)3]+, arene being C6H6, p-iPrC6H4Me, C6Me6, C6H5R, where R = (CH2)nOC(O)C6H4-p-O(CH2)6CH3 or (CH2)nOC(O)CH:CHC6H4-p-OCH3 and n = 2 or 4, are obtained from the reaction of the corresponding prec ...

Royal Society of Chemistry2010

Antiproliferative Activity of Gold(I) Alkyne Complexes Containing Water-Soluble Phosphane Ligands

Paul Joseph Dyson, Angela Casini, Olivier Pierre Zava

A series of mono-, di-, and trinuclear organometallic alkynyl phosphane gold(I) complexes contg. the stable and water-sol. PTA and DAPTA ligands have been synthesized and characterized. The solid-state structure of one of these compds. was also established ...

American Chemical Society2010

Excellent correlation between cathepsin B inhibition and cytotoxicity for a series of palladacycles

Paul Joseph Dyson, Angela Casini, Olivier Pierre Zava

The reaction of the five- or six-membered C,N or C,S-palladacycles [(L)PdCl]2 with PTA (1,3,5-triaza-7-phosphaadamantane) led to the monomeric complexes [(L)Pd(PTA)Cl] 6a, 6b and 7 where LH= N,N-dimethyl-1-phenylmethanamine, benzyl(methyl)sulfane or 1-meth ...

Royal Society of Chemistry2009

A cytotoxic ruthenium tris(bipyridyl) complex that accumulates at plasma membranes

Michael Graetzel, Paul Joseph Dyson, Shaik Mohammed Zakeeruddin, Horst Arthur Vogel, Olivier Pierre Zava, Christophe Danelon

Wiley-Blackwell2009

Rational Design of Highly Cytotoxic η6-Arene β-Diketiminato-Ruthenium Complexes

Paul Joseph Dyson, Rosario Scopelliti, Alexey Nazarov, Olivier Pierre Zava, Andrew Douglas Phillips

A series of ruthenium-benzene complexes with β-diketiminate ligands modified with electron-withdrawing groups were prepd. and characterized by NMR spectroscopy, mass spectrometry, and single-crystal x-ray diffraction. The complexes are stable in air and un ...

American Chemical Society2010

Drug Repurposing Approach Identifies a Synergistic Drug Combination of an Antifungal Agent and an Experimental Organometallic Drug for Melanoma Treatment

Paul Joseph Dyson, Olivier Pierre Zava, Tina Riedel

By screening a drug library comprising FDA approved compounds, we discovered a potent interaction between the antifungal agent haloprogin and the experimental organometallic drug RAPTA-T, to synergistically induce cancer cell killing. The combination of th ...

2018

BODIPY-phosphane as a versatile tool for easy access to new metal-based theranostics

Angela Casini, Olivier Pierre Zava

A new BODIPY-phosphane was synthesized and proved to be a versatile tool for imaging organometallic complexes. It also led to easy access to a new family of theranostics, featuring gold, ruthenium and osmium complexes. The compounds' cytotoxicity was teste ...

Royal Soc Chemistry2013

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

Paul Joseph Dyson, Olivier Pierre Zava

A series of large cationic hexanuclear metalla-prisms, Ru-6(p-iPrC(6)H(4)Me)(6)(tpt)(2)(donq)(3), Ru-6(p-iPrC(6)H(4)Me)(6)(tpt)(2)(doaq)(3) and Ru-6(p-iPrC(6)H(4)Me)(6)(tpt)(2)(dotq)(3), composed of p-cymene-ruthenium building blocks brid ...

2011

Synthesis, Characterization and Anticancer Activity of Porphyrin-Containing Organometallic Cubes

Paul Joseph Dyson, Olivier Pierre Zava

Self-assembly of 5,10,15,20-tetra(4-pyridyl)porphyrin (tpp-H2) and 5,10,15,20-tetra(4-pyridyl)porphyrin-M(ii) (M=Ni (tpp-Ni); Zn (tpp-Zn)) tetradentate panels with the dinuclear p-cymene ruthenium clips [Ru2(p-cymene)2(C2O4)Cl2] and [Ru2(p-cymene)2(C6H2O4) ...

CSIRO Publishing2010

Drug delivery of lipophilic pyrenyl derivatives by encapsulation in a water soluble metalla-cage

Paul Joseph Dyson, Olivier Pierre Zava, Anna Katherine Renfrew

The self-assembly of 2,4,6-tris(pyridin-4-yl)-1,3,5-triazine (tpt) triangular panels with p-cymene (p-PriC6H4Me) ruthenium building blocks and 2,5-dioxydo-1,4-benzoquinonato (dobq) bridges, in the presence of a functionalized pyrenyl deriv. (pyrene-R), aff ...

Royal Society of Chemistry2010

Encapsulation of hydrophobic pyrenyl-cycloplatinate complexes within a water-soluble arene ruthenium metalla-cage

Olivier Pierre Zava

Two hydrophobic pyrenyl-containing cycloplatinate complexes (2-(1-pyrenyl)pyridine)Pt(acac) (Pt-1) and {2-(4-(1-pyrenyl)phenyl)pyridine}Pt(acac) (Pt-2) (acac = acetylacetonato) have been encapsulated in the hexacationic water-soluble metalla-cage [(p-cymen ...

2012

Development of Bimetallic Titanocene-Ruthenium-Arene Complexes As Anticancer Agents: Relationships between Structural and Biological Properties

Olivier Pierre Zava, Fabio Edafe

A series of bimetallic titanium-ruthenium complexes of general formula (η5-C5H5)(μ-η5:κ1-C5H4(CR12)nPR2R3)TiCl2RuCl2 (n = 0, 1, 2 or 4; R1 = H or Me; R2 = H, Ph, or Cy; R3 = Ph or Cy) have been synthesized, including two novel compds. as wel ...

American Chemical Society2010

Arene ruthenium complexes with phosphinoferrocene amino acid conjugates: Synthesis, characterization and cytotoxicity

Paul Joseph Dyson, Olivier Pierre Zava

A series of heterodinuclear p-cymene ruthenium ferrocene complexes, [(eta(6)-p-MeC6H4Pri)RuCl2(Ph(2)Pfc-CONHRCO2Me-kappa P)] (R = (S)-Me: 6, R = (S)-CHMe2: 7, R = (S)-CH2OMe: 8, R = (S)-CH2SMe: 9, R = (S)-CH2CH2CO2Me: 10) have been synthesized from p-cymen ...

Elsevier Science Sa2013

Synthesis and characterization of a new class of anti-angiogenic agent based on ruthenium clusters

Paul Joseph Dyson, Hubert van den Bergh, Patrycja Nowak-Sliwinska, Alexey Nazarov, Olivier Pierre Zava, Michael Groessl, Mathurin Baquié

New triruthenium-carbonyl clusters derivatized with glucose-modified bicyclophosphite ligands have been synthesized. These compounds were found to have cytostatic and cytotoxic activity and depending on the number of bicyclophosphite ligands, and could be ...

Nature Publishing Group2013

Delivery of floxuridine derivatives to cancer cells by water-soluble organometallic-cages

Paul Joseph Dyson, Olivier Pierre Zava

The self-assembly of 2,4,6-tris(pyridin-4-yl)-1,3,5-triazine (tpt) triangular panels with p-cymene (pPr(i)C(6)H(4)Me) ruthenium building blocks and 2,5-dioxydo-1,4-benzoquinonato (dobq) or 5,8-dioxydo-1,4-naphthoquinonato (donq) bridges, in the presence of ...

American Chemical Society2012

Evidence for Drug Release from a Metalla-Cage Delivery Vector Following Cellular Internalisation

Paul Joseph Dyson, Olivier Pierre Zava

The authors have encapsulated in the cavity of [Ru6(p-iPrC6H4Me)6(tpt)2-(C6H2O4)3]6+ (tpt = 2,4,6-tris(pyridin-4-yl)-1,3,5-triazine), and intrinsically fluorescent pyrenyl compd. (pyrene-R = 1-(4,6-dichloro-1,3,5-trianzin-2-yl)pyrene), thus giving rise to ...

2010