Estudio de la comunicación electrónica entre los fragmentos organometálicos ferrocenilo y trans-RuCI(DPPE)2
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2015
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es
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Universidad Andrés Bello
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Licencia CC
Licencia CC
Resumen
Los complejos Organometálicos que posean actividad redox y que contengan
enlaces o puentes con carbonos 𝜋-conjugado son de gran interés en la
actualidad, ya que, constituyen un poderoso acercamiento a la fabricación de
materiales inteligentes. Particularmente, cuando se usan para modificar
superficies conductoras, se obtienen sistemas útiles para el almacenaje o
transferencia de información [1]. Estas propiedades permiten el diseño de
nuevos modelos moleculares para evaluar si se produce la comunicación
electrónica entre el fragmento organometálico [2].
Uno de los primeros intentos en la construcción de sistemas bi-metálicos con
propiedades redox unidos a través de enlaces conjugados y que exhiban
almacenamiento de carga reversible a nivel molecular, han sido los complejos
del tipo metal-alquinil pertenecientes al grupo 8.
La siguiente unidad de investigación se enmarca en el diseño y síntesis de
nuevos compuestos Ferrocenil-alquinilrutenio y, asimismo, a modo de
comparación, la síntesis de complejos Ferrocenil-alquinilnitro, con el fin de
estudiar la comunicación electrónica entre los fragmentos organometálicos
ferrocenilo, RuCl(dppe)2 y el grupo nitro a través de la conjugación cruzada
dada por el puente arilpropenona. Las propiedades redox de todos los
compuestos, fueron analizadas mediante el uso de la voltamperometría cíclica.
Finalmente, se medirán sus propiedades ópticas a través de Uv-Visible.
Organometallic complexes having redox activity and containing links or bridges with π-conjugated carbon are of great current interest because, are a powerful approach to the manufacture of smart materials. Particularly when used to modify conductive surfaces, useful systems for storage or transfer of information [1] are obtained. These properties allow the design of new molecular models to evaluate whether the electronic communication between the organometallic fragment [2] occurs. One of the first attempts to build bi-metal systems with redox properties connected to conjugated bonds exhibiting reversible charge storage at the molecular level, have been alkynyl metal-complex belonging to the 8-d transition metal group. The following undergraduate thesis is framed by the design and synthesis of new ferrocenyl-alkynylruthenium compounds, likewise, for comparison, the synthesis of new ferrocenyl-alkynylnitro complex were obtained, in order to study the electronic communication between the following groups: i) ferrocenyl, ii) RuCl(dppe)2 organometallic fragments and iii) the nitro group, through crossconjugation given by the arylpropenone bridge. The redox properties of all compounds were evaluated by cyclic voltammetry. Finally, its optical properties were also measured by UV-visible spectrum.
Organometallic complexes having redox activity and containing links or bridges with π-conjugated carbon are of great current interest because, are a powerful approach to the manufacture of smart materials. Particularly when used to modify conductive surfaces, useful systems for storage or transfer of information [1] are obtained. These properties allow the design of new molecular models to evaluate whether the electronic communication between the organometallic fragment [2] occurs. One of the first attempts to build bi-metal systems with redox properties connected to conjugated bonds exhibiting reversible charge storage at the molecular level, have been alkynyl metal-complex belonging to the 8-d transition metal group. The following undergraduate thesis is framed by the design and synthesis of new ferrocenyl-alkynylruthenium compounds, likewise, for comparison, the synthesis of new ferrocenyl-alkynylnitro complex were obtained, in order to study the electronic communication between the following groups: i) ferrocenyl, ii) RuCl(dppe)2 organometallic fragments and iii) the nitro group, through crossconjugation given by the arylpropenone bridge. The redox properties of all compounds were evaluated by cyclic voltammetry. Finally, its optical properties were also measured by UV-visible spectrum.
Notas
Tesis (Licenciado en Química)
Proyecto FONDECYT 11121635
Proyecto FONDECYT 11121635
Palabras clave
Compuestos Organometálicos