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Formation and structure of a stable monoradical cation by reduction of a diphosphafulvenium salt.
Comparative studies on the iron chelators O-TRENSOX and TRENCAMS: selectivity of the complexation towards other biologically relevant metal ions and Al(3+).
- Frédéric Biaso, P. Baret, J. L. Pierre, G. Serratrice
- Chemistry, Medicine
- Journal of inorganic biochemistry
- 10 April 2002
Complexation constants have been determined by potentiometric titration and spectrophotometric measurements for several biologically relevant divalent metals (Ca(2+), Cu(2+), Zn(2+)) as well as… Expand
Synthesis of a stable radical anion via the one electron reduction of a 1,1-bis-phosphinosulfide alkene derivative.
- T. Cantat, Frédéric Biaso, +4 authors P. le Floch
- Medicine, Chemistry
- Chemical communications
- 6 February 2008
A new type of stable radical ligand featuring a 1,1-bis-phosphinosulfide alkene backbone has been prepared and characterized on the basis of X-ray diffraction, EPR and DFT studies.
Iron(III) chelation: Tuning of the pH dependence by mixed ligands
The iron(III) chelating properties of two heteropodands with 8-hydroxyquinoline and catechol binding groups were examined and compared to those of the corresponding homopodal analogues, O-TRENSOX and… Expand
High‐Field EPR Study of Frozen Aqueous Solutions of Iron(III) Citrate Complexes
High-field electron paramagnetic resonance spectra have been measured for frozen aqueous solutions of FeIII citrate at acidic and neutral pH values. At high fields (up to 12 T) and high frequencies… Expand
Mechanism of the Stepwise Dissociation of FeIII Complexes with Tripodal Ligands as Siderophore Models
The acid hydrolysis and formation kinetics of 1:1 ferric complexes with several tripodal hexadentate ligands were investigated over the [H+] range of 0.02−1.0 M at 25 °C and at an ionic strength of… Expand
CHAPTER 3:Electron Paramagnetic Resonance Studies of Molybdenum Enzymes
Electron Paramagnetic Resonance (EPR) is certainly the first and the most widely used spectroscopic technique for studying structure and function of Mo and W enzymes. Although only Mo(v) and W(v)… Expand
Iron(III) Exchange Process between Hexadentate Tripodal Ligands: Models for the Ternary Complexes
Using tripodal ligands as tools, the kinetics of iron removal from ferric complexes of the tripodal tris(hydroxyquinoline) ligands O-TRENSOX and of tris(catechol) TRENCAMS was investigated. Two… Expand