Publications de Anna Katherine Renfrew

Towards Light-Activated Ruthenium-Arene (RAPTA-Type) Prodrug Candidates

Rosario Scopelliti, Paul Joseph Dyson, Patrycja Nowak-Sliwinska, Anna Katherine Renfrew, Felix Daniel Bobbink

Cancer is currently one of the deadliest diseases worldwide. Based on the high incidence of this disease, the side effects associated with current chemotherapies and the appearance of drug resistance, considerable efforts have been directed towards the dev ...

WILEY-V C H VERLAG GMBH2019

Synthesis and characterisation of the water soluble bis-phosphine complex [Ru(η6-cymene)(PPh2(o-C6H4O)-κ2-P,O)(pta)]+ and an investigation of its cytotoxic effects

Rosario Scopelliti, Paul Joseph Dyson, Anna Katherine Renfrew, Christian Hartinger

Metal complexes bearing phosphine ligands are attracting increasing attention for their applications in medicinal chem. In particular, organometallic ruthenium-phosphine complexes have been found to exhibit promising antitumor activity. The synthesis, anti ...

Elsevier2010

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

Paul Joseph Dyson, Anna Katherine Renfrew, Olivier Pierre Zava

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

Discovery, structure, and anticancer activity of an iridium complex of diselenobenzoquinone

Paul Joseph Dyson, Anna Katherine Renfrew

Caught in the act: The first stable η4-diseleno-p-benzoquinone complex, [Cp*lr(η4-C6H4Se2)], has been isolated. The X-ray structure confirms the coordination of the elusive diselenobenzoquinone intermediate. The anticancer activity of this complex was comp ...

Wiley-VCH Verlag GmbH2010

Synthesis and Anticancer Activity of Long-Chain Isonicotinic Ester Ligand-Containing Arene Ruthenium Complexes and Nanoparticles

Paul Joseph Dyson, Anna Katherine Renfrew

Arene ruthenium complexes contg. long-chain N-ligands L1 = NC5H4-4-COO-C6H4-4-O-(CH2)9-CH3 or L2 = NC5H4-4-COO-(CH2)10-O-C6H4-4-COO-C6H4-4-C6H4-4-CN derived from isonicotinic acid, of the type [(arene)Ru(L)Cl2] (arene = C6H6, L = L1: 1; arene = p-MeC6H4Pr ...

Springer Verlag2010

Use of Perfluorinated Phosphines to Provide Thermomorphic Anticancer Complexes for Heat-Based Tumor Targeting

Rosario Scopelliti, Paul Joseph Dyson, Anna Katherine Renfrew

[Ru(η6-arene)(pta)(PR3)Cl]BF4 (arene = p-cymene or 4-phenyl-2-butanol; pta = 1,3,5-triaza-7-phosphatricyclo[3.3.1.1]decane, PR3 = PPh2(p-C6H4C2H4C8F17), PPh(p-C6H4C2H4C8F17)2, P(p-C6H4C2H4C6F13)3, PPh3 or P(p-C6H4F)3) were prepd. and characterized by spect ...

2010

Synthesis and anticancer activity of chalcogenide derivatives and platinum(II) and palladium(II) complexes derived from a polar ferrocene phosphanyl-carboxamide

Paul Joseph Dyson, Anna Katherine Renfrew

The polar phosphinyl carboxamide, 1'-(diphenylphosphino)-1-[N-(2-hydroxyethyl)carbamoyl]ferrocene [I; Z = null; (1)] , reacts readily with H2O2 and elemental S to give the corresponding phosphine oxide I [Z = O (2)] and phosphine sulfide I [Z = S (3)], res ...

Wiley-Blackwell2010

Metabolization of [Ru(η6-C6H5CF3)(pta)Cl2]: a cytotoxic RAPTA-type complex with a strongly electron withdrawing arene ligand

Paul Joseph Dyson, Anna Katherine Renfrew, Christian Hartinger

The anticancer ruthenium-arene compd. [Ru(η6-C6H5CF3)(pta)Cl2] (pta = 1,3,5-triaza-7-phosphatricyclo[3.3.1.1]decane), termed RAPTA-CF3, with the electron-withdrawing α,α,α-trifluorotoluene ligand, is one of the most cytotoxic RAPTA compds. known. To ration ...

Springer-Verlag2010

Novel organometallic ruthenium complexes for selective activation in tumour cells

Anna Katherine Renfrew

In recent years, ruthenium-based antitumour drugs have emerged as an attractive alternative to cisplatin, exhibiting both excellent activity in tumours where cisplatin is of limited use and low general toxicity, leading to reduced side effects. Two rutheni ...

EPFL2010

Influence of Structural Variation on the Anticancer Activity of RAPTA-Type Complexes: ptn versus pta

Paul Joseph Dyson, Andrew Douglas Phillips, Anna Katherine Renfrew, Christian Hartinger, Alexey Nazarov

[M(η6-arene)(ptn)Cl]X (M = Ru, Os; arene = p-cymene, benzene, toluene, hexamethylbenzene; ptn = 3,7-dimethyl-7-phospha-1,3,5-triazabicyclo[3.3.1]nonane; X = Cl-, BF4-) were prepd. and characterized spectroscopically. X-ray diffraction was addnl. used to ch ...

2009

Ruthenium(II) Arene Compounds as Versatile Anticancer Agents

Anna Katherine Renfrew

Ruthenium-based compounds are an attractive alternative to clinically used platinum drugs due to several features including a wide range of accessible oxidation states, varied synthetic chemistry and typically lower general toxicities. One series of ruthen ...

2009

Tuning the efficacy of ruthenium(II)-arene (RAPTA) antitumour compounds with fluorinated arene ligands

Rosario Scopelliti, Paul Joseph Dyson, Ursula Röthlisberger, Enrico Marko Tapavicza, Andrew Douglas Phillips, Anna Katherine Renfrew

A series of compounds of general formula [Ru(eta(6)-fluoroarene)(pta)Cl-2] (fluoroarene = C6H5F, C6H5CF3, and 1,4-C6H4CH3F; pta = 1,3,5-triaza-7-phosphatricyclo[3.3.1.1]decane) have been prepared and characterized spectroscopically. Additionally, X-ray dif ...

American Chemical Society2009

Synthesis, Molecular Structure, and Anticancer Activity of Cationic Arene Ruthenium Metallarectangles

Paul Joseph Dyson, Anna Katherine Renfrew

Cationic arene ruthenium-based tetranuclear complexes comprising rectangular structures have been obtained from the dinuclear arene ruthenium complexes [Ru2(arene)2(OO.intrsec.OO)2Cl2] (arene = p-cymene, hexamethylbenzene; OO.intrsec.OO = 2,5-dihydroxy-1,4 ...

American Chemical Society2009

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]

Paul Joseph Dyson, Anna Katherine Renfrew

Pyridylferrocene and imidazolylferrocene arene-Ru complexes [Ru(η6-arene)(L)Cl2] where L = NC5H4CH2NHOCC5H4FeC5H5, arene = p-iPrC6H4Me (1) or C6Me6 (2); L = NC3H3N(CH2)2O2CC5H4FeC5H5, arene = p-iPrC6H4Me (3) or C6Me6 (4), and diruthenium-arene complexes [R ...

2009

Anticancer activity of multinuclear arene ruthenium complexes coordinated to dendritic polypyridyl scaffolds

Paul Joseph Dyson, Anna Katherine Renfrew

The rational development of multinuclear arene ruthenium complexes (arene = p-cymene, hexamethylbenzene) from generation 1 (G1) and generation 2 (G2) of 4-iminopyridyl based poly(propyleneimine) dendrimer scaffolds of the type, DAB-(NH2)n (n = 4 or 8, DAB ...

Elsevier2009

Influence of the diketonato ligand on the cytotoxicities of [Ru(.eta.6-p-cymene)(R2acac)(PTA)]+ complexes (PTA = 1,3,5-triaza-7-phosphaadamantane)

Rosario Scopelliti, Paul Joseph Dyson, Anna Katherine Renfrew

A series of compds. of general formula [Ru(.eta.6-p-cymene) (R2acac)(PTA)][X] (R2acac = Me2acac, tBu2acac, Ph2acac, Me2acac-Cl; PTA = 1,3,5-triaza-7-phosphaadamantane; X = BPh4, BF4), and the precursor to the Me2acac-Cl deriv. [Ru(.eta.6-p-cymene)(Me2acac- ...

2008

Water-soluble arene ruthenium complexes containing pyridinethiolato ligands: Synthesis, molecular structure, redox properties and anticancer activity of the cations [(η6-arene)Ru(p-SC5H4NH)3]2+

Paul Joseph Dyson, Anna Katherine Renfrew

The cationic complexes [(η6-arene)Ru(SC5H4NH)3]2+, arene being C6H6 (1), MeC6H5 (2), p-iPrC6H4Me (3) or C6Me6 (4), have been synthesized from the reaction of 4-pyridinethiol with the corresponding precursor (η6-arene)2Ru2(μ2-Cl)2Cl2 and isolated as the chl ...

2008

The "complex-in-a-complex" cations [(acac)2M.cntnd.Ru6-(p-iPrC6H4Me)6(tpt)2(dhbq)3]6+: a trojan horse for cancer cells

Paul Joseph Dyson, Anna Katherine Renfrew

The cytotoxicities of the large cationic arene-ruthenium prismatic cage [Ru6(p-iPrC6H4Me)6(tpt)2(dhbq)3]6+ (tpt = 2,4,6-tris(pyridin-4-yl)-1,3,5-triazine, dhbq = 2,5-dihydroxy-1,4-benzoquinolato; 16+), and its "complex-in-a-complex" derivs. [(acac)2M-1]6+ ...

Wiley-VCH Verlag GmbH2008