Browsing Fakultät für Chemie (inkl. GAUSS) by Referee "Meyer, Franc Prof. Dr."
Now showing items 1-20 of 97
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A Dinuclear Dihydride Complex for Bimetallic Reductive Activation and Transformation of a Range of Inert Substrates
(2018-03-19)In this thesis, a dinickel(II) dihydride complex was used for small molecules activation, such as H2, O2, N2, S8, CO and so on. Here, we present the results of these works and analysis these results by various spectroscopies. -
Activation and transformation of small molecules at a bimetallic β-diketiminato nickel platform
(2022-03-25)This dissertation focuses on the activation and transformation of small molecules by a dinuclear nickel platform. A series of nickel-complexes based on a binucleating bis(tridentate) ligand that consists of two ß-diketiminato ... -
Activation of Nitric Oxide and Dioxygen at Diferrous Complexes with Compartmental Pyrazolate Ligand Scaffolds
(2017-04-06)This work comprises the synthesis and characterization of novel pyrazolate-bridged bimetallic iron complexes with bis(pentadentate) ligand scaffolds and the activation of dioxygen and nitric oxide at their diferrous sites. ... -
Advanced Functionalization of Polyethylene via Catalyzed Chain Growth: Tailored Surfaces and Cationic End-Groups
(2019-03-26)Well-defined, end-functional polyethylene (PE) was synthesized in a catalyzed chain growth (CCG) polymerization and applied in novel synthetic routes for PE modified surfaces as well as in the manufacturing of multifunctional ... -
Advanced NMR Techniques for the Investigation of Small Molecules in Solution
(2017-06-28)Nuclear magnetic resonance (NMR) techniques have been developed and employed to study small molecules in solution. A) Slice-selective excitation (SSE) enables the acquisition of spatially resolved spectra. This has been ... -
Ammonia stabilized Carbanions
(2018-01-17)This thesis examines the solvation of alkali metal cyclopentadienyl derivatives (Cp, CpMe, Cp*, indenyl, fluorenyl) in liquid ammonia as well as in solutions of ammonia in polar aprotic solvents. The degree of solvation ... -
Bimetallic Complexes for Cooperative Polymerization Catalysis
(2018-09-07)This work contributed to the understanding of cooperativity in bi- and oligometallic complexes through three chapters. The first chapter on CO2/epoxide copolymerization led to the discovery of several promising novel ... -
Bimetallic Copper Complexes for Bioinspired Dioxygen Activation and Catalytic Water Oxidation
(2018-01-26)In this thesis a pyrazolate based dicopper(I) complex featuring a constrained substrate binding pocket was reacted with dioxygen to form a dicopper(II) peroxo complex which shows the peroxide anion in an unusual cis-µ-η1:η1 ... -
Bioinspired Activation of Oxygen with Pyrazole-Supported Dinuclear Copper Complexes
(2016-10-10)A series of compartmental pyrazole-bridging ligands were successfully used to gain insights into copper-mediated dioxygen activation chemistry, and thus expand on the proven potential of these organic scaffolds for emulating ... -
Bioinspired Dinuclear Copper Complexes for Oxygen Activation
(2022-12-06)This thesis explores new bioinspired bimetallic copper complexes for the activation of dioxygen. Therefore, two novel TACN/pyrazolate ligand scaffolds with reduced steric hindrance were introduced and successfully established. ... -
Bioinspired Dinuclear Copper Complexes for Small Molecule Activation
(2021-09-06)This thesis focuses on the activation of small molecules by dinuclear copper complexes. Initially, isolation of copper/oxygen intermediates on the basis of a non-symmetric pyrazolate/tacn scaffold was investigated. The ... -
Bioinspired oxidation reactions of phenols with dinuclear copper complexes
(2008-03-07)This thesis is focused on the understanding of the cooperative effects in di- and oligonuclear transition metal complexes and their further application as catalysts for the oxidation of phenol substrates. In nature, two ... -
Bioinspirierte Sauerstoffaktivierung an Bis(benzimidazolyl)basierten Kupfer(I)komplexen und Spektroskopische Studien an Bis(benzoxazolyl) Kupfer(II)-Verbindungen
(2021-05-04)The active sites of type III copper proteins (i.e. tyrosinase) provide inspiration for the development of copper complexes for the activation of O2 as well as for catalytic oxidation and oxygenation reactions of CH substrates. ... -
Biomimetic and Theoretic Investigations of Unusual Iron-Sulphur Clusters
(2009-12-09)Biological Fe/S clusters are cofactors common to all living organisms. In fact, they are not only believed to belong to the most ancient biological cofactors but simple inorganic compounds ... -
Biomimetic Copper(I)-Mediated Activation of Dioxygen and Redox Non-Innocence in Copper(II) Complexes of Bis(oxazoline)s
(2015-10-01)The µ-η²:η²-peroxodicopper(II) core found in the oxy forms of the active sites of type III dicopper proteins have been a key target for bioinorganic model studies. Here, it is shown that simple bis(oxazoline)s (BOXs), which ... -
Biomimetische Oxidationsreaktionen mit zweikernigen Kupferpyrazolatkomplexen
(2003-11-25)A series of dinuclear copper (II) complexes with different pyrazolate ligands was synthesized and structurally characterized as biomimetic model complexes of the enzyme Catechol oxidase. ... -
Die Biomineralisation von Silica: Langkettige Polyamine und Aminolipide als selbstorganisierende Template für biomimetische Präzipitationen
(2010-02-09)Long-chain polyamines are thought to play an important role in the formation of the hierarchically structured silica cell walls of diatoms. We determined the influence of structural variations ... -
C-H and C-C Activation by Cobalt and Ruthenium Catalysis
(2017-12-18)The thesis contents methods for the selective activation and functionalization of C–H and C–C bonds, among the most abundant bonds in organic molecules. In particular, earth-abundant and cost-effective cobalt complexes ... -
C<sub>2</sub>-Symmetric Pyrazole-Bridged Ligands and Their Application in Asymmetric Transition-Metal Catalysis
(2016-06-03)Within the scope of this thesis the synthesis of a plethora of examples of in total three types of C2-symmetric pyrazole-bridged ligand systems (namely PyrBOX, PyrBPyBOX and ProPyrazole) could be established ... -
Chelate Ligands for the Stabilisation of Low-Valent Main Group Compounds
(2021-09-28)Reviewing the achievements in Group 13 metal complexes over the last decades, the main area of research is emerging to the development and utilisation of low-valent aluminium compounds and their heavier homologues. This ...