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DIGITAL.CSIC
Doctoral thesis . 2015 . Peer-reviewed
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Reacciones de cicloadición catalizadas por complejos de rodio e iridio con ligandos difosfano quirales

Authors: Asenjo, Ainara;

Reacciones de cicloadición catalizadas por complejos de rodio e iridio con ligandos difosfano quirales

Abstract

Durante los últimos años en nuestro grupo de investigación se está estudiando el empleo de compuestos de metales de transición como catalizadores en reacciones de cicloadición de Diels-Alder y 1,3-dipolar. Se han obtenido buenos resultados con complejos organometálicos de la estequiometría (SM,RC)-[(¿5-C5Me5)M(Profos)(H2O)]2+. Se trata de compuestos semisandwich con iones d6 de rodio(III) e iridio(III) con un ligando pentametilciclopenadienilo y una molécula de disolvente, sustrato fácilmente desplazable, que proporcionará una vacante de coordinación en la que deberá tener lugar el proceso catalítico. En la presente Memoria nos proponemos: 1) Aplicar compuestos previamente descritos de formulación [(¿5-C5Me5) M(Profos)(H2O)][SbF6]2 (M = Rh, Ir) a nuevas reacciones de Diels-Alder entre enales ó enonas y diversos dienos. 2) Preparar nuevos compuestos semisandwich de rodio e iridio de estequiometría [(¿5-C5Me5)M(PP*)(H2O)][SbF6]2 donde PP* representa un ligando difosfano quiral. Los difosfanos no son comerciales (excepto Norfos), por lo que tendrán que ser previamente sintetizados. 3) Estudiar el empleo de los complejos [(¿5-C5Me5)M(PP*)(H2O)][SbF6]2 descritos en el apartado anterior en reacciones de DA entre metacroleína y diversos dienos. 4) Estudiar el empleo de los nuevos complejos [(¿5-C5Me5) M(PP*)(H2O)][SbF6]2 en reacciones de cicloadición 1,3-dipolar entre enales o metacrilonitrilo y nitronas.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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