Browsing Fakultät für Chemie (inkl. GAUSS) by Advisor & Referee "Klingebiel, Uwe Prof. Dr."
Now showing items 1-20 of 24
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Fluorfunktionelle 1,3-Diaza-2-sila-cyclopentene -Synthese, Reaktionen und Kristallstrukturen
(2009-02-09)The synthesis of new, unknown aluminium, gallium and amino-substituted diaza-silacyclopentenes-compounds is the point of interests of this work. Lithiumsalts react like iminosilenes with elment-compounds of the 13. main-group. ... -
Lithiumamide, -hydrazonide und -ketazide als Bausteine acyclischer, cyclischer und spirocyclischer Bor-, Phosphor- und Siliciumverbindungen sowie monomerer und dimerer Amino-imino-borene
(2009-02-09)Flurorosilylhydrazones are obtained from the reaction of lithiated hydrazones with fluorosilanes. On subsequent reaction with tert-butyllithium, cyclization takes place, to give ... -
Oberflächenchemie an Silicium-Nanopartikeln
(2009-02-05)Two nanocrystalline silicon powders from industrial production that differ in their primary particle size (50-300 nm and 5-10 nm), were used for surface modifications on the nanometer scale. ... -
Synthese und Charakterisierung asymmetrischer Bis(Thiophosphoryl)amine zur Darstellung von Münzmetallclustern
(2008-11-13)The present Thesis shows the utility of asymmetric Bis(Thiophosphoryl)amines as ligands to build up a range of complexes and clusters of coinage metals. Different routes for the preparation ... -
Synthese und Charakterisierung von Verbindungen der Lanthanoide mit σ-gebundenen Liganden
(2008-08-08)This thesis describes systematically the reaction of polydentate σ-donor ligands and nitrogen-containing macrocycles with compounds of the rare earth elements. The focus is represented by ... -
Synthese von Amino- bzw. Hydrazinosilanen und -boranen, Lithiumsalzen, Iminoborenen und Borkationen
(2008-01-29)The present dissertation discusses the synthesis and crystal structures of two dilithiumsilylamides that can be purified by destillation. Apart from studies of thermal and anionic silyl ... -
Bifunctional Thiourea-Based Organocatalysts for Asymmetric C-C Bond Formation Reactions: Strecker, Nitro-Michael, Mannich
(2007-12-11)A variety of new thiourea-based organocatalysts were synthesized and tested on different important C-C bond forming reactions: Strecker-reaction, Michael-addition, and Mannich-reaction. The ... -
The Reaction Chemistry of Aluminum(I,III) Compounds Stabilized by Sterically Bulky Ligands
(2005-11-01)Some reaction chemistry of aluminum(I, III) compounds stabilized by sterically bulky ligands: diamido L and β-diketiminato L (L = ArNCH2CH2CH2NAr, L = HC(CMeNAr)2, Ar = ... -
Beiträge zur Biosynthese von Strobilurin A und Oudemansin A sowie Gewinnung neuer halogenierter Strobilurine durch vorläufer-dirigierte Biosynthese
(2005-09-26)The integral part of this thesis are studies of the biosynthesis of the antifungal strobilurin A as well as experiments to modify the metabolite by precurser directed biosynthesis.Earlier ... -
Polynukleare Cluster der d-Metalle mit chelatisierenden Liganden
(2005-05-27)This thesis describes the syntheses of polynuclear clusters of d-block-elements with chelating ligands. The used ligands where 2-(Bis(diphenyldithiophosphin))methyl-pyridin ... -
Reaktionen des Bis(tert-butyl-methyl)ketazins mit Halogensilanen
(2004-10-22)This thesis refers to the synthesis of unknown acyclic und cyclic silylketazines. Reactions of monolithiated bis(tert-butyl-methyl)ketazine with chloro- and fluorosilanes lead to acyclic ... -
Darstellung bor- und phosphorhaltiger Ringe durch Reaktionen von Halogenboranen und -phosphanen mit Bis(tert.-butyl-methyl)ketazin
(2004-10-22)The first part of this thesis refers to the reactions of boroles, especially substitutions of remaining halogens and dehydrohalogenation reactions. The second part deals with similarities ... -
Final Elucidation of the Absolute Configuration of Hormaomycin - Total Synthesis of Hormaomycin and Analogs
(2004-09-14)This work has been focused on the synthesis of hormaomycin and analogs, and prior to that, on the assignment of the absolute structure of unusual amino acids, which comprise hormaomycin, ... -
Synthese löslicher Aggregate des Indiums und Zinns
(2004-06-30)Hydrolysis of metalorganic compounds often yields in catalytic activ species which are widely used in industriell processes, also there structurally nature is not known so far. This work ... -
Strukturaufklärung der Phenalinolactone und Beiträge zur Biosynthese der Hexacyclinsäure
(2004-04-27)This work concentrated on biosynthetic studies as well as the isolation and structure elucidation of natural substances of streptomycetes. In line with a cooperation with the workgroup of ... -
Reaktionen des Amino-di-<i>tert</i>-butylsilanols
(2003-11-26)In contrast to carbon chemistry in silicon chemistry a kinetic stabilization of compounds with two or three OH or NH2 groups bonded to one silicon atom is possible. The reaction of (Me3C)2Si(OH)Cl with liquid ammonia affords ... -
Metabolite aus marinen und terrestrischen Bakterien und Pilzen sowie Untersuchungen von Invertebraten der Tiefsee
(2003-07-25)In this work 24 bacterial and eight fungi strains were submitted to the chemical screening for their ability to produce secondary metabolites. 17 of the bacterial and all fungi strains were ... -
Mehrkernige Kupferkomplexe mit bidentalen heteroaromatischen Stickstoffdonorliganden.
(2003-04-29)This thesis describes the syntheses of di- und polynuclear copper complexes containing bis(diorganochalcogenophosphorus)amid and bidentate amine (e. g. 4,4'-bipyridine) ligands. Depending ... -
Synthesen und Strukturen neuer Lanthanoid- und Quecksilberkomplexe mit polyfunktionellen Ligandensystemen
(2003-04-16)In this work is shown how the dppaS2-ligandsystem and its derivates are used as polyfunctional ligands to synthesis mono and polynuclear complexes of rare earths and mercury. Herein 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, ...