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Paul Joseph Dyson

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Related publications (669)

Classical and Non-Classical Ruthenium-Based Anticancer Drugs: Towards Targeted Chemotherapy

Ruthenium-based anticancer chemotherapies are making significant advances in clinical trials. Until recently, the focus has been on coordination complexes, and mechanisms such as "activation by reduction" and "transferrin-targeted delivery" have been propo ...

2006

A Supercooled Imidazolium Iodide Ionic Liquid as a Low-Viscosity Electrolyte for Dye-Sensitized Solar Cells

Michael Graetzel, Shaik Mohammed Zakeeruddin, Paul Joseph Dyson, Dongbin Zhao, Zhaofu Fei, Wee Han Ang

A series of allyl-functionalized imidazolium salts are reported, including 1-allyl-3-ethylimidazolium iodide and 1-allyl-3-propylimidazolium iodide, which have m.ps. close to room temp. and show typical properties of supercooled fluids if heated above thei ...

2006

Influence of Ionic Liquids Bearing Functional Groups in Dye-Sensitized Solar Cells

Michael Graetzel, Shaik Mohammed Zakeeruddin, Paul Joseph Dyson, Dongbin Zhao, Zhaofu Fei

Ionic liquids containing the nitrile and vinyl functional groups attached to imidazolium cations combined with various anions, e.g., iodide, bis[(trifluoromethyl)sulfonyl]imide ([TFSI]-), or dicyanamide ([N(CN)2]-), have been prepared and characterized. Th ...

2006

Biphasic Hydrosilylation in Ionic Liquids: A Process Set for Industrial Implementation

Gabor Laurenczy, Paul Joseph Dyson, Dongbin Zhao

The biphasic hydrosilylation of 1-hexadecene with siloxane B9800 in a range of ionic liqs. is reported. Of the ionic liqs. tested, [C4py][BF4] and [C4-3-pic][BF4] offer the optimum compromise between activity and ...

2006

From dysfunction to bis-function: on the design and applications of functionalised ionic liquids

Paul Joseph Dyson, Dongbin Zhao, Zhaofu Fei

Some of the recent developments concerning the synthesis, properties and applications of functionalised ionic liqs. are highlighted. Various strategies are presented, including functionalisation of the cation, anion or both cation and anion in the same ion ...

2006

Switching the Mechanism of Catalyst Activation by Ionic Liquids

Corinne Daguenet, Paul Joseph Dyson

In ionic liqs. (ILs), the activation of a ruthenium(II) catalyst precursor occurs via an unexpected mechanism, which is different from the activation mechanism that takes place in water. The effectiveness of a biphasic catalytic hydrogenation reaction usin ...

2006

A mass spectrometric and molecular modelling study of cisplatin binding to transferrin

Paul Joseph Dyson, Claire Samantha Allardyce

A combination of mass spectrometry, UV/Vis spectroscopy and molecular modelling techniques hove been used to characterise the interaction of cisplatin with human serum transferrin (Tf). Mass spectrometry indicates that cisplatin binds to the hydroxy functi ...

2005

Ionic liquids based on imidazolium salts incorporating a nitrile functionality

Paul Joseph Dyson, Dongbin Zhao, Zhaofu Fei

Novel chemical compounds of the general formula KA, in which K is a 5- or 6- membered heterocyclic ring having 1-3 hetereo atoms, which can be independently N, S, or 0 with the proviso that at least one of the hetereo atoms must be a quaternized n ...

2005

Rational design of platinum(IV) compounds to overcome glutathione-S-transferase mediated drug resistance

Paul Joseph Dyson, Wee Han Ang, Claire Samantha Allardyce

2005

Searching for molecular arene hydrogenation catalysis in ionic liquids

Paul Joseph Dyson

Arene hydrogenation by homogeneous catalysts is a highly controversial area of research, with many of the mononuclear complexes shown to catalyse the reaction, being found to be pre-catalysts to nanoparticles, on closer examination. The solvent properties ...

2005

Pendant-bridging-chelating-cleavage: A series of bonding modes in ruthenium(II)-BINAPO complexes

Kevin Hänni, Rosario Scopelliti, Paul Joseph Dyson

Reaction of 1,1'-bis(diphenylphosphino)binaphthol (BINAPO, 1) with [RuCl2(η6-arene)]2 in methanol leads to dinuclear BINAPO-bridged Ru compounds [{RuCl2(η6-p-cymene)}2-(μ-BINAPO)], 2a, in ne ...

2005

In vitro and in vivo evaluation of ruthenium(II)-arene PTA complexes

Gabor Laurenczy, Paul Joseph Dyson, Claudine Scolaro, Gianni Sava

The antitumor activity of the organometallic ruthenium(II)-arene complexes, RuCl2(eta(6)-arene)(PTA), (arene = p-cymene, toluene, benzene, benzo-15-crown-5, 1-ethylbenzene-2,3-dimethylimidazolium tetrafluoroborate, ethyl benzoate, hexamethylbenzene; PTA = ...

2005

Revisiting the electronic structure of phosphazenes

Paul Joseph Dyson

Natural bond orbital (NBO) and topological electron density analyses have been used to investigate the electronic structure of phosphazenes [N3P3R6] (R = H, F, Cl, Br, CH3, CF3, N(C2H4< ...

2005

A nearly planar water sheet sandwiched between strontium-imidazolium carboxylate coordination polymers

Rosario Scopelliti, Paul Joseph Dyson, Dongbin Zhao, Zhaofu Fei

The crystal structure of a strontium-imidazolium polymeric material obtained from the reaction of zwitterionic 1,3-bis(carboxymethyl)-imidazolium with SrCO3 (2:1) in water is reported. The compound crystallized in the orthorhombic space group Pcc2 with a = ...

2005

Allyl-functionalised ionic liquids: Synthesis, characterisation, and reactivity

Gabor Laurenczy, Rosario Scopelliti, Paul Joseph Dyson, Dongbin Zhao, Zhaofu Fei

The two known Me- and allyl-substituted 1H-imidazol-3-ium bromides 1 and 2, respectively, were converted to the corresponding BF4- and BPh4- salts 3-6 (Scheme 1). Compounds 3 and 4 were liquids at ambient temperature. Reaction of 1 or 2 with [PdCl2] afford ...

2005

Structure of nitrile-functionalized alkyltrifluoroborate salts

Rosario Scopelliti, Paul Joseph Dyson, Dongbin Zhao, Zhaofu Fei

Two nitrile-functionalized alkyltriflouroborate anion based complexes [(Ph3P)(2)N][CH3CH(BF3)CH2CN] and [K(18-crown-6)][CH3CH(BF3)CH2CN] were synthesized and characterized by spectroscopic methods and single X-ray diffraction analysis. In the former comple ...

2005

Hydrogen sponge? A heteronuclear cluster that absorbs large quantities of hydrogen

Paul Joseph Dyson

Wiley-VCH Verlag GmbH2005

A synthetic zwitterionic water channel: Characterization in the solid state by X-ray crystallography and NMR spectroscopy

Geoffrey Bodenhausen, Rosario Scopelliti, Paul Joseph Dyson, Dongbin Zhao

Wiley-VCH Verlag GmbH2005

Synthesis and characterization of organometallic ionic liquids and a heterometallic carbene complex containing the chromium tricarbonyl fragment

Rosario Scopelliti, Paul Joseph Dyson

Direct reaction between [Cr(CO)6] and arenes with ionic substituents affords the corresponding arene-chromium tricarbonyl complexes, [Cr(CO)3(arene)], in only modest yield. In contrast, these complexes can be prepared in pure form in ...

2005

NMR, PGSE diffusion, and X-ray diffraction studies of lithium and potassium salts derived from diphenylphosphino(o-cyanophenyl)aniline and their crown ether complexes

Paul Joseph Dyson, Zhaofu Fei

H-1, P-31, and Li-7 pulsed-gradient spin-echo (PGSE) diffusion and variable-temperature NMR results for THF solutions of the lithium and potassium salts derived from diphenylphosphino(o-cyanophenyl)aniline are reported and compared to the solid-state resul ...

2005

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