Dokumente Fakultät für Chemie (inkl. GAUSS) nach Gutachter "Meyer, Franc Prof. Dr."
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Femtosecond spectroscopy of charge-transfer dynamics in self-assembled Pd(II) based donor-acceptor/host-guest cages and heterobinuclear alkyne-bridged W(II)-Ru(II) and W(II)-Ir(III) complexes
(2024-04-11)Using femtosecond UV/vis-pump-UV/vis-probe and -midIR-probe absorption spectroscopy the charge-transfer dynamics of self-assembling donor-acceptor Pd(II) coordination cages and heterobinuclear alkyne-bridged W(II)-Ru(II) ... -
Exploiting the Disulfide/Thiol Switch for Photoinduced Proton-Coupled Multielectron Transfer Reactivity
(2024-03-27)Energy storage and efficient release has become a pivotal issue for our society relying progressively on renewable energy sources. The dichotomy between harvesting the sun’s energy in daylight hours, and requiring it the ... -
Sustainable Ruthenium- and Rhodium-Catalyzed C−H Activations with Photochemistry and Electrochemistry
(2024-03-18)Cross-coupling chemistry stands out as a fundamental tool in synthetic organic chemistry for forging C‒C and C‒Het bonds. However, the necessity for substrate prefunctionalization imposes significant sustainability challenges ... -
Chemical Synthesis of Alpha-Synuclein Proteins via Solid-Phase Peptide Synthesis and Native Chemical Ligation
(2024-03-05)Parts of this chapter have already been published and have been adapted from the original publication: L. M. Gatzemeier, F. Meyer, U. Diederichsen, T. F. Outeiro, Chemical Synthesis of Alpha-Synuclein Proteins via Solid-Phase ... -
Tailoring and Exploiting Magnetic Anisotropy in Low Coordinate 3d Transition Metal Complexes.
(2023-07-04)Among 3d transition metal based SMMs, Co(II) SMMs is the most-studied group owning to the high-spin electronic configuration (CoII, d7) which yields second-order spin-orbit coupling or even first-order spin-orbit coupling. ... -
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. ... -
Synthesis and Magnetic Properties of Polyimidosulfur- and Bis(benzoxazolyl)methanide-ligated Complexes
(2022-09-30)The properties of magnetic molecules are promising centerpieces in various fields of research directed toward novel technologies, ranging from quantum computing, high-density data storage systems, and medical imaging ... -
Electrochemical Dinitrogen Splitting and Nitride Transfer to Nitric Oxide with Rhenium Pincer Complexes
(2022-04-26)The Haber-Bosch process for the synthesis of ammonia from nitrogen and hydrogen consumes large amounts of energy and additionally relies on fossil feedstocks for the production of hydrogen. Alternative approaches for the ... -
Polyimido Sulfur Compounds as Promising Ligands in Molecular Magnets
(2022-04-08)Single-molecule magnets (SMMs) are molecules that exhibit slow relaxation of the magnetization after the removal of an applied external field. Therefore, they may find potential application in high density information ... -
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 ... -
Hyperpolarisierte Kontrastmittel in der Magnetresonanz
(2022-02-24)Nuclear magnetic resonance (NMR) and magnetic resonance imaging (MRI) are powerful techniques with applications ranging from chemical analysis to medical diagnostics. However, they are limited by their low sensitivity which ... -
Metal-Mediated Coordination Cages: Endohedral Functionalization and Oligonucleotide Embedding
(2022-02-17)Supramolecular structures have become a popular motif in order to design higher order constructs from smaller organic building blocks, which are hold together by non-covalent bonds, such as hydrogen bonds, ion-ion, ion-dipole ... -
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 ... -
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 ... -
Small Molecule Activation with Dinuclear Cobalt Complexes based on the Two-In-One Pincer Ligands
(2021-06-24)Dinuclear complexes based on this two-in-one pincer ligand scaffold have exhibited fascinating magnetic properties and promise high reactivity in catalysis and small molecule activation. In this thesis, the main objective ... -
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. ... -
Transformations of Energy-Related Small Molecules at Dinuclear Complexes
(2021-02-05)The urgent need for the development of carbon-neutral energy conversion schemes has inspired chemists worldwide to investigate catalytic water splitting using sunlight as the energy source. A key component for the preparation ... -
Proton Coupled Electron Transfer at Heavy Metal Sites
(2021-01-14)Terminal, late transition metal, oxo complexes are pivotal intermediates in oxygenation chemistry. This thesis describes the synthesis and full characterisation of an open-shell terminal oxo complex of iridium from the ... -
N2 Splitting and Functionalization in the Coordination Sphere of Tungsten
(2020-12-02)The 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 ... -
Mechanistic Investigations of Metal-Metal Cooperativity in Dinickel Complexes and Iron/Cobalt Prussian Blue Analogues
(2020-06-12)This dissertation focuses on two polymetallic systems exhibiting two different phenomena of Metal-Metal Cooperativity in the form of intramolecular C-H(sp2) activation and Charge-Transfer-Induced Spin Transition (CTIST). ...