Complexation associated rearrangement of iminobiphosphines to diphosphinoamines

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Ultrafast Visible and Ultraviolet Fluorescence Studies of Molecular and Biological Sytems in Solution

A wide variety of physical and chemical processes at the molecular level, as charge or energy transfer, solvation, electronic as well as vibrational relaxation, is at the origin of the biological functionality of proteins. The work reported in this thesis ...

EPFL2011

Application of Ionic Liquids Containing Tricyanomethanide [C(CN)(3)](-) or Tetracyanoborate [B(CN)(4)](-) Anions in Dye-Sensitized Solar Cells

Michael Graetzel, Shaik Mohammed Zakeeruddin, Rosario Scopelliti, Paul Joseph Dyson, Zhaofu Fei, Magdalena Anna Marszalek

A series of novel ionic liquids composed of imidazolium, pyridinium, pyrrolidinium, and ammonium cations with tricyanomethanide or tetracyanoborate anions were prepared. The ionic liquids were characterized by NMR and IR spectroscopy and ESI-mass spectrome ...

2011

Multinuclear Cytotoxic Metallodrugs: Physicochemical Characterization and Biological Properties of Novel Heteronuclear Gold-Titanium Complexes

Philippe Richard, Angela Casini, Michael Groessl, Olivier Pierre Zava

An unprecedented series of titanocene-gold bi- and trimetallic complexes of the general formula [(eta(5)-C5H5)-(mu-eta(5):kappa(1)-C5H4(CH2)(n)PPh2)TiCl2AuClx](q+) (n = 0, 2, or 4; m = 1, x =1, q = 0 or m = 2, x = 0, q = 1) have been prepared and char ...

2011

Crystal Structure and Magnetic Properties of Two New Antiferromagnetic Spin Dimer Compounds; FeTe3O7X (X = Cl, Br)

Helmuth Berger, Dong Zhang, Jia Liu

Two new isostructural layered oxohalides FeTe3O7X (X = Cl, Br) were synthesized by chemical vapor transport reactions, and their crystal structures and magnetic properties were characterized by single-crystal X-ray diffraction, Raman spectroscopy, magnetic ...

2011

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

Double-resonant x-ray and microwave absorption: Atomic spectroscopy of precessional orbital and spin dynamics

Giovanni Boero, Pietro Gambardella, Stefano Rusponi

We show that double-resonance spectra recorded during the simultaneous absorption of x-ray and microwave (MW) photons are a fingerprint of the perturbed electronic configuration of atomic species driven to ferromagnetic resonance. X-ray absorption measurem ...

2009

Linked Metal-cluster Systems: Isolation and Characterization of {anti-[(p-cymene)RuCl]-m-[k 2-P,P';k 1-P''-(PPh2CH2)3CMe]-[AuPt3(CO)3(PCy3)3]}(PF6)2

Hisham Ben Hamidane, Zoltan Beni, Rosario Scopelliti, Paul Joseph Dyson, Andrew Douglas Phillips, Christian Hartinger

The new mixed-metal complex {anti-[(p-cymene)RuCl]-m-[k 2-P,P';k 1-P''-(PPh2CH2)3CMe]-[AuCl]}PF6 and its cluster deriv. {anti-[(p-cymene)RuCl]-m-[k 2-P,P';k 1-P''-(PPh2CH2)3CMe]-[AuPt3(CO)3(PCy3)3]}(PF6)2 have been prepd. and characterized. Notably, NMR sp ...

Springer US2008

In Vitro Evaluation of Rhodium and Osmium RAPTA Analogues: The Case for Organometallic Anticancer Drugs Not Based on Ruthenium

Gabor Laurenczy, Paul Joseph Dyson, Antoine Dorcier, Wee Han Ang, Andrew Douglas Phillips

Reaction of the dimer [(η5-C5Me5)RhCl(μ2-Cl)]2 with 2 or 4 equiv of the water-soluble phosphine 1,3,5-triaza-7-phosphatricyclo[3.3.1.1]decane (pta) affords [Rh(η5-C5Me< ...

2006

Silver Complexes of Cyclic Hexachlorotriphosphazene

The first solid-state structures of complexed P3N3X6 (X=halogen) are reported for X=Cl. The compounds were obtained from P3N3Cl6 and Ag[Al(OR)4] salts in CH2Cl2/CS2 solution. The very weakly coordinating anion with R=C(CF3)3 led to the salt Ag(P3N3Cl6)2+[A ...

2006

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