Browsing Fakultät für Chemie (inkl. GAUSS) by Referee "Roesky, Herbert W. Prof. Dr. Dr. h.c."
Now showing items 1-20 of 29
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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 ... -
Charge Density Distribution in Low-Valent Tetrels
(2013-05-22)The scope of this work was the analysis of the electron density of low valent tetreles. For silicon and carbon-containing compounds. Especially low valent silicon compounds are of great interest because their synthesis has ... -
Design of Phosphorus Centered Janus Head Ligands
(2012-02-03)The scope of this thesis was the preparation of a Janus Head ligand based on the N,P,N ligand di-2-picolylphenylphosphane and the synthesis of different metal complexes containing this Janus ... -
Preparation and Reactions of Compounds with Heavier Group 14 Elements in Low Oxidation States
(2011-01-27)Facile synthesis of chlorosilylene (PhC(NtBu)2SiCl) in 90% yield was reported using LiN(TMS)2 as a dehydrochlorinating agent and its versatile reactivity with various organic substrates was ... -
Structural analysis of organometallic deprotonation agents and computational studies on formally hypervalent molecules
(2010-10-22)The following thesis targets two topics. The first one deals with the synthesis and crystallization of reactive organometallic deprotonation agents and important metalated intermediates ... -
β−Diketiminate Ligands as Supports for Alkaline Earth and Aluminum Complexes: Synthesis, Characterization, and Reactivity Studies
(2010-07-22)My doctoral work is based on the synthesis, characterization and reactivity studies on complexes of non-toxic Group 2 metals (magnesium, calcium and strontium) and aluminum supported with ... -
Synthesis, Structure and Reactivity of Bismuth(III) and Aluminum(III) Complexes Supported by Nitrogen Donor Ligands
(2010-05-28)This dissertation has laid emphasis mainly on the reaction chemistry of Bismuth(III) and Aluminum(III) compounds stabilized by sterically bulky ligands. It is comprised of four parts. The ... -
Unprecedented Synthetic and Reactivity Studies of Compounds with Low Valent Group 14 Elements
(2010-05-07)My doctoral work based on the synthesis and reactivity of the compounds with low valent group 14 elements (carbon, silicon, germanium, and tin), which include the hydrogenation of N-heterocyclic ... -
Totalsynthese der Mansouramycine A-E aus Streptomyces sp. und Rhodium-katalysierte 1,2-Additionen an cyclische Enone
(2009-10-02)The following thesis is divided into two sections. The first part deals with the total synthesis of Mansouramycin A-E. The second part shows a new high enantioselective rhodium catalyzed ... -
Elucidation of Unconventional Bonding in Lithium Organic Compounds
(2009-08-07)The major goals of this thesis were to synthesise and crystallise novel unsubstituted picolyl metal adducts for structural analyses. Their investigation as well as other lithium organic ... -
Experimental Electron Density Determination of Unconventionally Bonded Boron
(2009-07-22)Two major aims have been pursued in the course of this thesis. On the one hand, reasons for the different reactivities of two Lewis acids based on tris(pentafluorophenyl)borane, namely ... -
Die Strukturabhängigkeit der Festkörperfluoreszenz bei Phosphanylanthracenen
(2008-05-30)Four major aims have been pursued in the course of this thesis: 1. Synthesis and charactarization of 9-bromo-10-phosphanylanthracenes. 2. Investigation of the relationship between crystal ... -
Syntheses and Electron Density Determination of Novel Polyimido Sulfur Ylides
(2007-12-18)Three major aims have been pursued in the course of this thesis: I) Classification of the S-C, S-N and Li-C interactions in a polyimido sulfur ylide by use of an experimental electron density ... -
Synthesis, Reactivity, and Structural Elucidation of Aluminum Compounds with Bulky Ligands
(2007-05-10)This dissertation has laid emphasis mainly on the reaction chemistry of aluminum(I, III) compounds stabilized by sterically bulky ligands. It is comprised of four parts. In the first part ... -
Synthesis, Spectral Studies, Structural Elucidation and Magnetic Properties of Metallasiloxanes containing Main Group and Transition Metals
(2006-04-27)In recent years, metallasiloxanes have been shown as potential model compounds for zeolites. In view of this, the synthesis and characterization of novel metallasiloxanes are of paramount ... -
Versuche zur Erzeugung des Pentacyclopropylcyclopentadienyl-Kations, und Synthese von Cyclopropylierten Oligoenen, Carbo- und Heterocyclen
(2004-12-27)The objective of this dissertation on the one hand was to generate the pentacyclopropylcyclopentadienyl cation under stable cation conditions and its characterization by low-temperature ... -
Synthesis, Structures and Reactions of Aluminum(I) and Aluminum(III) Compounds
(2004-11-24)In this dissertation bulky bidentate salicylaldiminato, diketiminato, tert-butyl and adamantyl groups have been employed as supporting moieties to synthesize aluminum(I) and aluminum(III) ... -
Zweikernige Zinkkomplexe als Modellverbindungen für Hydrolasen
(2004-08-26)The present work deals with the assembly and the reactivity of dinuclear zinc complexes of preorganizing pyrazolate-based dicompartimental ligands as model complexes for hydrolases. A set ... -
Molybdän- und Wolfram-Komplexe mit dem 3,5-Di-tert-butylpyrazolat-Liganden: Anwendungen in Sauerstoff-Transfer-Reaktionen
(2004-04-14)This thesis describes the syntheses and characterization by X-ray diffraction analyses of molybdenum- and tungsten-complexes with bulky pyrazolate ligands. Appropriate substituents in the ... -
Investigation of Secondary Metabolites of North Sea Bacteria: Fermentation, Isolation, Structure Elucidation and Bioactivity
(2003-06-24)In this work 39 bacterial strains from the North Sea were submitted to the chemical and biological screening and due to the results four strains were examined thoroughly for interesting ...