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N2 Splitting and Functionalization in the Coordination Sphere of Tungsten

dc.contributor.advisorSchneider, Sven Prof. Dr.
dc.contributor.authorSchluschaß, Bastian
dc.publisherNiedersächsische Staats- und Universitätsbibliothek Göttingende
dc.titleN2 Splitting and Functionalization in the Coordination Sphere of Tungstende
dc.contributor.refereeSchneider, Sven Prof. Dr.
dc.description.abstractengThe splitting and functionalization of N2 remains one of the most challenging reactions in coordination chemistry. In this thesis a series of four isostructural end-on N2 bridged ditungsten-PNP-pincer complexes are synthesized and thoroughly characterized. Furthermore, their properties with respect to NN-bond scission are investigated. In this context, it is shown that proton induced N2-splitting competes with proton-reduction and that the selectivity is controlled by the respective acid and reaction temperature. In an other example, N2-cleavage is found to be in equilibrium with reverse nitride coupling. Interestingly, the reaction can also be driven photolytically, which was studied extensively using transient spectroscopy combined with DFT-analysis. The so-formed nitride species is functionalized with CO in an intramolecular mechanism to give cyanate, which can be liberated to close a synthetic
dc.contributor.coRefereeMeyer, Franc Prof. Dr.
dc.contributor.thirdRefereeAlcarazo, Manuel Prof. Dr.
dc.contributor.thirdRefereeSchwarzer, Dirk Prof. Dr.
dc.contributor.thirdRefereeJohn, Michael Dr.
dc.contributor.thirdRefereeSindlinger, Christian Dr.
dc.subject.engNitrogen Fixationde
dc.subject.engCoordination Chemistryde
dc.subject.engTungsten Pincer Complexesde
dc.subject.engNitride CO couplingde
dc.affiliation.instituteFakultät für Chemiede
dc.subject.gokfullChemie  (PPN62138352X)de

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