Blättern Fakultät für Chemie (inkl. GAUSS) nach "Meyer, Franc Prof. Dr." Betreuer
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Design and Characterisation of Multifunctional Tools for the Elucidation of the Cu+ Chemistry in Alzheimer`s Disease
(2013-09-06)Alzheimer’s disease is the most common neurodegenerative disease in the world. Alzheimer’s disease is clinically characterised by decreased cognitive performance and pathologically characterised by formation of fibrillar ... -
Designing New Heterometallic [2 x 2] Grids using Pyrazolate-bridged Ligands
(2020-02-18)This dissertation focusses on designing new heterometallic [2 x 2] grids based on pyrazolate-bridged ligands exhibiting interesting magnetic and redox properties. To date, numerous homometallic metallogrids have been ... -
Dinickel Complexes of the "Two-In-One" Pincer scaffold
(2019-11-11)Bringing two metal ions in close proximity offers interesting perspectives for cooperative activation and catalytic transformation of substrates. Ditopic pyrazolate-based bridging ligands are known to represent valuable ... -
Dinuclear Copper and Nickel Complexes of New Multidentate N-heterocyclic Carbene Ligands: Structures, Dynamics and Reactivity
(2019-12-18)The present Ph.D. thesis is divided in two parts and describes N-heterocyclic carbene complexes of copper and nickel, their structures, dynamics in solution and reaction patterns. Part I deals thematically with copper(I) ... -
Electronic Structure and Reactivity of Bioinspired Organometallic Iron Complexes Relevant to Small Molecule Activation
(2017-06-15)This PhD thesis focuses on the development and characterization of new organometallic iron complexes as models for abundant enzymatic systems. The use of a macrocyclic tetracarbene ligand system results in novel features ... -
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 ... -
Homo- and Mixed-valence [2 × 2] Grid Complexes
(2016-04-21)In this work homo- and mixed-valence [2 × 2] grid-like complexes were studied in detail. Here, the multifunctionality features of these iron and cobalt grids are clearly illustrated in properties: 1) the electrochemistry ... -
Liganden mit N/S-Donorsets in der Münzmetallchemie: Modellkomplexe für Methanobactin und multinukleare, lumineszierende Pyrazolat-Komplexe
(2013-03-12)The synthesis and characterization of pyrazolate and oxazolone ligands with attached thioether functions is described. These ligands were used either to synthesize copper(I) complexes as model complex for the methanobactin ... -
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). ... -
Mechanistische Einblicke in die Aktivierung bimetallischer Präkatalysatoren für die Norbornenpolymerisation: Multinukleare Übergangsmetallkomplexe der Gruppen 9-11 mit a-Diimin Pyrazolatliganden
(2009-06-03)This thesis focused on the synthesis of novel transition metal complexes of groups 9 till 11, based on bridged pyrazolate diimine ligands, for application in homogenous catalyzed polymerization ... -
Molecular Ruthenium based Water Oxidation Catalysts and their Immobilization on Electrode Surfaces
(2022-02-11)Ruthenium complexes are valuable in the field of catalytic water oxidation. Their stability and molecular nature allow for detailed mechanistic insight, and they can be synthetically modified to enhance their activity. ... -
Neuartige Pyrrol/Pyrazol-Bausteine für die Synthese von Hybrid-Makrozyklen, azyklischen Ligandsystemen und bimetallischen Komplexen
(2007-11-30)The present work focussed on the synthesis of a versatile pyrrole-pyrazole key building block (3,5-bis-(3,4-diethyl-1-formylpyrrol-2-ylmethyl)-1H-pyrazol), and its application in the synthesis ... -
Neue unsymmetrische Pyridazin-verbrückte Pyrazol/NHC-Hybridliganden als Gerüste für multinukleare Übergangsmetallkomplexe – erste Anwendungen in der Katalyse
(2013-01-24)The synthesis and characterization of pyridazine-bridged NHC/pyrazole ligands providing an NHC as organometallic and a classical N-donor compartment is described. These ligands serve as versatile scaffolds for a variety ... -
New Biomimetic Analogues of Functional [2Fe-2S] Proteins
(2008-11-27)Iron-sulfur proteins are ubiquitous natural cofactors of prime importance in biological systems. While electron transfer is regarded as their main role, iron-sulfur clusters also feature ... -
New Derivatives and Iron Complexes of the Siamese-Twin Porphyrin
(2017-02-14)Variation of the substitution pattern of the Siamese-twin porphyrin (STP), an expanded porphyrin incorporating two pyrazole moieties, identified a set of substituents that result in an optimized preparation of highly ... -
New Pyrazole- and Triazine-Based Ligands as Scaffolds for Oligonuclear Complexes: From Multiredox Stability to Heteronuclear Single Molecule Magnets
(2010-03-15)My doctoral work is based on the multistep synthesis of a new family of triazine- and pyrazolate-based compartmental ligands, and their multi-nuclear transition metal complexes, which are ... -
New Synthetic Analogues for Biological Fe/S Clusters
(2023-03-20)Iron-sulfur (Fe/S) clusters are omnipresent and are essential components in virtually all life forms due to their versatile structures and functions. Biological systems extensively employ Fe/S clusters, especially with ... -
Nitric Oxide Reactivity and Unusual Redox Properties of Biomimetic Iron-Sulfur Clusters with Alternative Cluster Ligands
(2018-05-02)This work describes the nitrosylation of biomimetic [2Fe–2S] clusters with phenylbis(benzimidazol-2-yl)methane or benzimidazolthiophenol ligands in different iron oxidation states and ligand protonation states. Mixed-valent ... -
Preorganized Bimetallic Nickel Complexes of Pyrazolate-Bridged Ligands for Cooperative Substrate Transformation
(2017-05-10)This thesis focuses on square-planar, pyrazolate-bridged dinuclear platforms to investigate their reactivity towards small molecules. In the scope of this work two ligands were prepared: a pyrrole-pyrazole based (H3Lpyr) ... -
Pyrazolat-liganden mit zwei facial tridentaten Koordinationstaschen - Metallkomplexe und erste Reaktivitätsuntersuchungen
(2007-12-11)In the aim of synthesis of model complexes for active core of type 3 copper proteins a novel ligand system was developed. Chief characteristic are two facial tridentate coordination pockets ...