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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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, ... -
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 ... -
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 ... -
Initiierungseffektivität von linearen und zyklischen Dialkylperoxiden in der Ethen-Hochdruckpolymerisation
(2001-06-29)Transfer constants in ethene homo-polymerization for two aldehydes and one ketone were determined using the mayo-method and the chain-length-distribution method. Various peroxides were used ... -
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 ... -
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 ... -
Neue kovalent und ionogen aufgebaute Alkinylderivate mit Elementen der 13. Gruppe des Periodensystems
(2003-04-23)In spite of their synthetic use in organic chemistry, only a few alkynyl derivatives of group 13 metals are known in the literature and a very few of them are structurally characterized.In ... -
Non-Cp Metal complexes Supported by Nitrogen Donor Ligands
(2001-09-21)Nitrogen donor ligands of varying steric demand and different hapticities have been explored with different metals and some of the resulting compounds have been used as precursors for the ... -
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 ... -
Reaktionen von Ketazinen mit halogenfunktionellen Boranderivaten
(2001-11-07)This thesis refers to the reaction of mono- and dilithiated ketazines (R2C=N-N=CR2) with halofunctional borane derivatives. In the first part syntheses of mono- and dilithiated tert-butyl ... -
Selektive Halogenierungen unter Phasentransferbedingungen: Mechanistische Untersuchungen und Synthetische Anwendungen
(2001-08-01)The present thesis deals with a new selective method for halogenation (Cl, Br,I) of organic compounds in multiphase systems. Systematic variations of the reaction conditions led to strong ... -
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 ... -
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 of Organoaluminum Fluorides and of an Oxo-Centered Trinuclear Carboxylate of Aluminum
(2001-08-01)In this doctoral thesis the bulky ligand Tris(trimethylsilyl)methyl was used to synthesize organoaluminum fluorides combined with alkali ions and for preparation of an oxo-centered trinuclear carboxylate of aluminum as ... -
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 ...