New trends in the synthesis of pi-electron donors for molecular conductors and superconductors

Article Abstract:

The discovery of superconductivity in a series of charge transfer (CT) salts of DODHT and BDA-TTP presents the first step in that direction and demonstrates that TCF donors are no longer essential to the production of organic superconductors. It is believed that structural modification of the pi-donor skeleton to create soft donor packing motifs is a step in a new direction in achieving superconductivity.

Charge transfer, Electrons

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Synthesis strategies and chemistry of nonsymmetrically substituted tetrachalcogenafulvalenes

Article Abstract:

It is shown through different examples that the preparation of dissymmetric TTFs, precursors to a multitude of materials and supramolecular, is a difficult task requiring the use of several synthesis strategies. The least efficient strategies are abandoned, and others have undergone successive modifications with the aim of increasing the selectivity and yield of desired dissymmetric TTFs.

Fulvic acids

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Synthesis and reactivity of Ru-, Os-, Rh-, and Ir-halide-sulfoxide complexes

Article Abstract:

Compounds such as Ru-, Os-, Rh-, and Ir are a rich and interesting chemistry, characterized by the presence of several geometrical and linkage isomers, and by the possibility that either the dmso's or the chlorides, or both are replaced by neutral or anionic ligands under appropriate reaction conditions.

Primary nonferrous metals, not elsewhere classified, Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum), Ruthenium, Halides

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