Showing papers in "Comptes Rendus Chimie in 2008"

TL;DR: Tuning the electronic properties of Fe2(-arenedithiolate)(CO)6-n(PMe3)n (n=0, 2) complexes related to the [Fe-Fe]-hydrogenase active site has been studied in this paper.

TL;DR: In this paper, the authors give an overall view of all the five actors that influence the intramolecular electron transfer scenario, as the key for constructing new molecules, enhancing or combining multifunctional properties.

TL;DR: An experimental study was performed using a dialysis membrane to investigate the impact of the contact between the microorganisms and the photocatalyst and to determine the role of H2O2 generated in situ.

TL;DR: In this article, synthetic aspects of molybdenum sulfide-based materials were reviewed, with emphasis on the catalytic materials, and a number of preparation methods were critically compared, including molecular precursor decomposition, hydrothermal, soft chemistry aqueous, surfactant-aided, intercalation-exfoliation, and solid gas reactions.

TL;DR: In this paper, the effects of ball-milling treatment on crystal structure and thermal properties of cassava and maize starches were examined by means of X-ray diffraction and differential scanning calorimetry.

TL;DR: In this paper, a series of arcs were observed in extracellular matrices of diverse tissues in plants and animals, and also within certain chromosomes, and these bow-shaped patterns were shown to originate from oblique sections in a three-dimensional arrangement of fibrils, which was reminiscent of a well-known structure present in a specific type of liquid crystal, called cholesteric, since it was first described in several cholesterol esters.

TL;DR: In this article, Fominations of diphosphine-bridged and chelate isomers have been investigated under different conditions, and the bridging hydride complex [Fe 2 (CO) 4 (μ-dppe)(μ-pdt)], which is the only product with a C 2 symmetric structure with apical substitution at the diiron centres, has been crystallographically characterised.

TL;DR: In this article, the authors describe their experiences in innovating new models of iron and cobalt complexes as catalysts for ethylene oligomerization and polymerization, and present several alternative models with similar coordination sphere.

TL;DR: A review of recent studies of Ni(II) and Fe(II)-coordinated complexes of diphosphine ligands with amine bases incorporated into the ligand chelate rings can be found in this paper.

TL;DR: In this article, the corrosion behavior of an Mg-Y-RE magnesium alloy in two different physiological solutions (artificial plasma (AP) and simulated body fluid (SBF)) was investigated, using electrochemical impedance spectroscopy (EIS).

TL;DR: In this paper, a series of complexes with steric bulk incorporated into the m-S-to-S linker was synthesized and the compounds were analyzed by infrared spectroscopy and cyclic voltammetry.

TL;DR: In this paper, the authors reported the synthesis, the single-crystal X-ray crystallographic structures and the magnetic properties of three new isostructural cyanido-bridged networks.

TL;DR: The naturally occurring resorcylic acid lactones LL-Z1640-2 (1), hypothemycin (2), L-783277 (3), radicicol A (4) and, to a somewhat lesser extent, aigialomycin D (5) have recently emerged as new lead structures for kinase inhibition as discussed by the authors.

TL;DR: In this paper, a photocatalyst called In(OH) 3 was synthesized by peptization of a colloidal precipitate under ultrasound radiation, which was characterized by N 2 adsorption, XPS, XRD, UV-vis DRS and FTIR technologies.

TL;DR: Theoretical calculations using density functional methods combined with relativistic approaches have been employed to study the magnetic properties of heterodinuclear Cu II Gd III complexes.

TL;DR: In this article, a few recent electrochemical studies of diiron models of the active site of the iron-only hydrogenases' active site are summarized, and an attempt is made to discuss the thermodynamic and kinetic limitations of proton reduction processes supported by these compounds.

TL;DR: In this article, the primary reduction process of bis(thiolate) and dithiolate-bridged diiron carbonyl compounds, [Fe 2 (μ-SR) 2 (CO) 6 ], is shown to lead to two-electron reduced products.

TL;DR: The recent discoveries of potent HSP90 and MAP kinase inhibitors amongst the resorcylic acid lactones (RALs) have revived interest in this family of natural products as discussed by the authors.

TL;DR: In this article, an unsymmetrically disubstituted propanedithiolate compound [Fe2(CO)4(κ2-dmpe)(μ-pdt) with dmpe in refluxing THF was synthesized.

TL;DR: In this article, metal (Cu, Co, Ni and Ag) nanoparticles have been prepared within the apoferritin cavity using MII-loaded aporritin as a chemically and spatially confined environment for their construction.

TL;DR: In this paper, a series of trinuclear complexes bridged by modified 1,3,5-trihydroxybenzene (phloroglucinol) ligands are investigated.

TL;DR: In a morphogenetic context, the hypothesis of a liquid crystalline order, between soluble precursor molecules, preceding fibrillogenesis was proposed in this paper, which established a link between the fibrilar networks described in vivo and the mesomorphic states obtained in vitro.

TL;DR: In this article, the synthesis and properties of organophosphorus π-conjugated chromophores incorporating metallic ions are described and their optical and electrochemical properties depend on the metal center linked to the organophorus atom.

TL;DR: Several synthetic approaches towards the maytansinoids which include total synthesis, semisynthesis and mutational biosynthesis utilising genetically engineered microorganisms are focused on.

TL;DR: In this article, a review on electrochemical porous etching of semiconductors is proposed and a short inventory of typical applications in various fields is given in the conclusion, and the pore formation models are discussed.

TL;DR: In this article, the authors discuss the theoretical and practical aspects of modern localized electrochemical techniques such as Scanning Kelvin Probe (SKP) and Scanning Vibrating Electrode Technique (SVET).

TL;DR: In this paper, a photocatalytic reaction with nitrogen-doped titania catalysts was investigated, and the effect of preparation conditions such as N/Ti proportion and calcination temperature on the visible-light activity was discussed.

TL;DR: In this article, the authors investigated the mechanism for H 2 activation catalyzed by [NiFe] hydrogenases with a series of models for the Ni(II) and Ni(III) forms in both high spin (HS) and low-spin (LS) states by density functional theory calculations.

TL;DR: In this paper, the first epothilone derivative has received FDA approval for the treatment of metastatic breast cancer and this event forms the background of this review which tries to highlight the historical development of the epothILones, namely their discovery, biosynthesis, fermentation, total synthesis, semisynthetic derivatives and clinical trials.

TL;DR: In the presence of an excess of PMe3, 2 was transformed to compound Fe2(CO)4(μ-SC6H4-o-CH3O)2(PMe3)2 (5) by reaction of triiron dodecacarbonyl with corresponding aromatic thiols as discussed by the authors.