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Ein-Elektronen-Reduktionen von Doppelbindungen
Im Rahmen dieser Arbeit wurden Beiträge zum Verständnis der Ein-Elektronen-Reduktion von C=C-, C=N-, C=O-, N=N- und As=As-Doppelbindungen geliefert. Hierzu wurden verschiedene Syntheseansätze zu Isolierung der erhaltenen Radikalanionen gewählt: Das Einführen der Substrate in der Ligandensphäre eines...
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| Format: | Dissertation |
| Sprache: | Deutsch |
| Veröffentlicht: |
Philipps-Universität Marburg
2022
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| Schlagworte: | |
| Online-Zugang: | PDF-Volltext |
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Within this thesis, contributions to the understanding in the field of one-electron reductions of C=C, C=N, C=O, N=N and As=As double bonds were gathered. Different synthetic strategies were chosen, such as reduction of substrates within the coordination-sphere of highly reducing metal ions (Fe(I), Co(I)), through sterical shielding or via the stabilization in a sandwich-type structure. In the last part, different substrates with E=E double bonds of carbon, oxygen and nitrogen (and other substrates) were activated with strained silylarylamido complexes [(Mes2NON)M(II)Cl(thf)] (M = Mn, Co). All compounds were investigated by means of NMR, IR and UV-Vis spectroscopy. Selected compounds were further investigated with 57Fe-Mössbauer (for iron compounds) and EPR spectroscopy to gain insights into their electronic situation. This was clarified with use of quantum calculations. For many compounds, an understanding for the decomposition and reactivity was given, providing insights to the chemistry of the newly gained molecules and complexes.