First-principles study of the electronic and magnetic properties of defective carbon nanostructures

149 p.: graf.

Inter- and intramolecular enantioselective carbolithiation reactions

In this review we summarize recent developments in inter- and intramolecular enantioselective carbolithiation reactions carried out in the presence of a chiral ligand for lithium, such as (-)-sparteine, to promote facial selection on a C=C bond. This is an attractive approach for the construction of new carbon-carbon bonds in an asymmetric fashion, with the possibility of introducing further functionalization on the molecule by trapping the reactive organolithium intermediates with electrophiles.

Systematic Studies on 3d- and 4f-Metal Containing Polyoxometalates Suitable for Organic Derivatization

232 p.

Ionic Liquids and Cellulose: Dissolution, Chemical Modification and Preparation of New Cellulosic Materials

Due to its abundance and a wide range of beneficial physical and chemical properties, cellulose has become very popular in order to produce materials for various applications. This review summarizes the recent advances in the development of new cellulose materials and technologies using ionic liquids. Dissolution of cellulose in ionic liquids has been used to develop new processing technologies, cellulose functionalization methods and new cellulose materials including blends, composites, fibers and ion gels.

El «Ión»,fundador de la hermenéutica occidental

[ES] En el «Ión» Platón funda la hermenéutica occidental, no la práctica de la exégesis. Para ello debe rechazar el liderazgo de la poesía. Y en un triple frente. Como saber, la poesía no distingue entre significante y significado, y considera la interpretación como un mero descifrado, no como un análisis de la verdad y falsedad del significado. Como discurso legitimador, es una liturgia, no una funcionalización técnica, además de que oculta el conflicto en que toda sociedad consiste. Como competencia interactiva, el poeta no es autónomo, sino alienado, y pone en juego la emotividad, no la racionalidad. Desde este breve diálogo, la filosofía y la literatura se han disociado dramáticamente en la cultura occidental.