Browsing Fakultät für Chemie (inkl. GAUSS) by Issue Date
Now showing items 21-40 of 721
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Electrochemical C–H Activation by Ruthenium and Palladium Catalysis
(2024-04-19)The emergence of direct functionalizations of C−H bonds offers efficient alternatives to traditional cross-coupling reactions, thereby saving time and costs. However, oxidative C−H activation often depends on stoichiometric ... -
Theoretical studies of metal-metal cooperativity in pyrazolate-bridged complexes
(2024-04-11)Transition metal complexes can play a variety of important roles in regard to catalysis, materials synthesis, photochemistry, and biological systems through use of their unique electronic structure, and the resulting ... -
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 ... -
Towards an Effective Synthesis of Functionalized Heptacyclo[6.6.0.02,6.03,13.04,11.05,9.010,14]tetradecane
(2024-03-14)A reassessment of the Rh-catalyzed dimerization of norbornadiene to generate heptacyclo[6.6.0.02,6.03,13.04,11.05,9.010,14]tetradecane (HCTD), a carbocyclic cage compound, has been conducted introducing novel π-acceptor ... -
Kinetics of free radical homo- and copolymerisations investigated with pulsed laser methods
(2024-03-06)Free-radical polymerisation is the most important polymerisation process due to its simplicity and robustness. It is therefore necessary to understand the kinetics of the involved reactions in order to plan a polymerisation, ... -
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 ... -
Of Resonances and Radicals – Hydrate Studies for Benchmarking
(2024-02-22)Theory experiment benchmarks are a valuable tool to improve quantum numerical methods. To provide experimental data suitable for benchmarking, this work focuses on the investigation of jet cooled hydrate clusters using ... -
Influence of ezrin's actin binding properties on the formation of minimal actin cortices
(2024-02-16)The cytoskeleton is a pivotal structure within cells, crucial for their motion and life-indispensable processes. The actin cortex is a dense actin network that is part of the cytoskeleton and linked to the plasmamembrane. ... -
NMR Spectroscopy of Biomolecular Liquid-Liquid Phase Separation
(2024-02-09)Phase separation of biomolecules has transformed our understanding of cell organization and function, motivating intensive research in the last decade. New evidence for their critical role in mechanisms essential for ... -
Chemically- and photo-convertible dyes for fluorescence detection of biomolecules
(2024-01-24)Further progress in fluorescence microscopy and nanoscopy depends, among other factors, on the ease of detection, analysis, and selective imaging of bioconjugates prepared from fluorescent dyes with reactive groups and ... -
Adaptierte wissenschaftliche Literatur
(2024-01-19)Science communication is changing, driven by the huge potential of the Internet. The importance of traditional media, and thus the influence of gatekeepers such as science journalists, continues to decline in favor of ... -
Application of Gold Catalysis in the Synthesis of Seven-Membered Ring Systems
(2024-01-08)A novel synthetic strategy for the synthesis of seven-membered ring systems with and without heteroatoms applying an Au(I)-based catalyst was successfully established. The selectivity in the cyclization of the corresponding ... -
Investigating Synthetic Approaches of the Neuroregulator α-Synuclein
(2024-01-04)Neuronal disorders such as Parkinson's disease, multiple system atrophy and dementia with Lewy bodies affect millions of patients worldwide. They belong to a group of neurodegenerative diseases called synucleinopathies, ... -
Local Orbital Analysis of Electronic Correlation in Molecular Systems
(2023-12-12)This thesis explores chemical problems through a combination of experiments and theoretical studies, leveraging advancements in computer hardware and quantum chemical algorithms to tackle challenges beyond the scope of ... -
Inelastic Hydrogen Atom Scattering from Semiconductor Surfaces
(2023-12-11)The adiabatic approximation is widely applied to describe interactions of atoms and molecules with solid surfaces. It assumes that the electronic system stays in the lowest-energy ground state during the interaction and ... -
Testing tube model predictions on semi-flexible polymer networks
(2023-11-13)The mechanical properties of simple entangled actin filament networks in eukaryotes are well understood as they are predictable with model systems. The high complexity of cellular actin structures like the cell cortex for ... -
Plasmagestützte Syntheseverfahren zur Erzeugung von Parylene-Metall-Multilayersystemen
(2023-10-27)This dissertation comprises the investigation of new synthesis possibilities of Parylene-metal multilayer systems with all process steps united in a single Parylene coating device. For this purpose, the metal layer component ... -
Weiterentwicklung diffusionsspektroskopischer NMR-Methoden für metallorganische Schlüsselverbindungen
(2023-10-02)This work has extended the development and application of NMR diffusion spectroscopic techniques for the determination of the molecular weight of compounds in solution. In the process, methylcyclohexane-d14 was added to ...