Dokumente Fakultät für Chemie (inkl. GAUSS) nach Titel
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Aluminum (I, II, III) Compounds with Multidentate Ligands: Syntheses, Reactivity, and Structures
(2001-06-01)In this dissertation, bulky multidentate ligands 1-aza-allyl, N-functionized aryl, diketiminato were used for the preparation of novel aluminum compounds in all oxidation states. The ... -
Aluminum Compounds with 3,5-Di-tert-butylpyrazolato Ligands: Syntheses, Structures and Reactions
(2002-01-11)In this doctoral thesis the bulky 3,5-Di-tert-butylpyrazolato ligand was used to synthesize 27 new organoaluminum complexes combined with halide, alkyl, acetylide groups, hydride, ... -
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 ... -
Anthracene Based Colorimetric Molecular Sensors
(2015-02-17)Herein, different synthetic approaches to colorimetric luminescence sensors are presented. 9-Anthraceneamines turned out to be promising colorimetric pH sensors. Their large shift of the emission wavelength upon addition ... -
Anwendung der Fluoreszenz-Korrelations-Spektroskopie zur Untersuchung dynamischer Prozesse in lebenden Zellen
(2001-05-09)In this thesis the Fluorescence Correlation Spectroscopy (FCS) technique is applied to cell-physiologically relevant reaction and diffusion problems in living cells. In the nucleus as well ... -
Anwendungsbezogene Weiterentwicklung der abbildenden Ellipsometrie
(2017-10-10)Since the work of Geim of graphene as the first 2D material, application and rese- arch of 2D materials is the main booming branch this decade. Overall the imaging techniques like RAMAN Imaging, AFM and optical microscopy ... -
Application of Asymmetric Gold-Catalyzed Hydroarylation in the Enantioselective Synthesis of Helicenes
(2022-04-07)A novel family of electron deficient, α-cationic ligands was synthesized, combining a chiral TADDOL-backbone with an electron withdrawing 1,2,3-triazolium moiety. Coordination to Au(I) gave the respective catalysts. Both ... -
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 ... -
Application of Laser Induced Desorption to study Velocity-Resolved Kinetics
(2023-05-04)In this work, I present a new method to measure velocity-resolved kinetics (VRK) of chemical reactions on surfaces. Ultra-fast laser-induced desorption (LID) is utilized as a tool to directly measure coverages of adsorbates. ... -
Approaches for Transition Metal-Free Photocatalytic Oxidation Reactions
(2021-04-30)The recent resurface of photocatalysis was accompanied by the technological and mechanistic improvements, which enabled new possibilities for chemical reactions to fulfill the target of green chemistry. The utilization of ... -
Aqabamycins, Rare Nitro Maleimides and other Novel Metabolites from Microorganisms; Generation and Application of an HPLC-UV-ESI MS/MS Database
(2009-06-04)The battle to improve the quality of life by finding cures against diseases and to extend the life expectancy of mankind is still one of the priorities in natural products chemistry. Al-though ... -
Assessment of Single Crystal X-ray Diffraction Data Quality
(2017-03-13)This PhD thesis focuses on single crystal X-ray diffraction data quality, the handling of systematic errors during data collection and the appropriate modelling of experimental charge density distributions. The development ... -
Asymmetrische Allylierung von prochiralen Ketonen und deren Anwendung in der Synthese von Pinnatolid und Furopinnatin
(2012-07-30)Allylation reactions are one of the most frequently employed C–C bond formation reactions which are often used in the synthesis of natural compounds. There are many procedures known for asymmetric allylation of aldehydes ... -
Atomic layer deposition of metal and metal chalcogenide thin films and nanolaminate composites.
(2018-04-09)The construction of a novel “hot and cold wall, cross laminar flow multiple substrate atomic layer deposition reactor” is presented including a LabView based control program and an user-optimized graphical user interface. ... -
Aufbau einer HPLC-UV-ESI-MS/MS-Datenbank und ihre Anwendung im Screening arktischer und antarktischer Meeresbakterien
(2005-10-21)Microorganisms from uncommon habitats are an attractive source for chemically and biologically outstanding natural compounds, for the interaction between different species in complex living ... -
Aufbau einer Silicanin-1-haltigen Modellmembran des Silicafällungsvesikels aus Thalassiosira pseudonana
(2021-12-23)Silica polycondensation occurring in diatom organelles called silica deposition vesicles (SDVs) leads to valve and girdle band formation to complete the biosilica cell wall after cell division. This biosilica shows ... -
Aufbau von Bausteinen zur Synthese von Spinosynanaloga
(2012-05-22)The Spinosyns A and D are the main metabolites of the Streptomyces species Saccharopolyspora spinosa. They show a high activity as well as a high selectivity against a huge number of insects that cause extensive damage ... -
Bandamycin as New Antifungal Agent and further Secondary Metabolites from Terrestrial and Marine Microorganisms
(2012-05-03)In this study, eight terrestrial and two marine bacteria, and four endophytic fungi have been investigated chemically and pharmacologically, out of which a total of fourty-eight secondary metabolites were isolated. ... -
Barriers of Protonation Reactions of Organometallics
(2023-09-20)Protonation reactions are entirely understood for simple organic and inorganic molecules and there are elaborated concepts to describe such acid-base reactions in both the solution and gas phase. For organometallic species, ...