Dokumente Fakultät für Chemie (inkl. GAUSS) nach Gutachter "Tietze, Lutz Prof. Dr. Dr."
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Allene, Dihydronaphthalenon-Derivate und andere Sekundärmetabolite aus Pilzen mariner Habitate sowie Beiträge zu deren Biosynthese
(2004-12-15)The aim of this thesis was the isolation and structure elucidation of novel natural products from marine fungi as well as studies of their biosynthesis.Twelve fungal strains from marine ... -
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 ... -
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 ... -
C–H Activation by Iron(III), Manganese(II) and Rhoda(III)electro Catalysis
(2020-12-15)While major progress was realized with noble transition metal catalysts, the employment of cost-effective and earth-abundant 3d metals has gained significant momentum during the last decade. As stoichiometric amounts of ... -
Development of Photo-Induced C–H Activation by Copper and Ruthenium Catalysis
(2019-11-08)Within recent decades, transition metal-catalyzed C–H activation has become a valuable and versatile tool for organic synthesis. As C–H bonds are ubiquitous in organic molecules, the direct site-selective functionalization ... -
Earth-Abundant Transition Metal-Catalyzed Electro-Reductive Cross-Electrophile Coupling Reactions and C–H Activation by Cobaltaelectro-Catalysis
(2021-12-13)Within the last decades, immense progresses have been made with transition metal-catalyzed cross-electrophile reactions and C–H activation reactions. The merger of electrocatalysis with such powerful methods have further ... -
Iron-Catalyzed C–H/N–H Activations for Annulation of Allenes, Alkynes, and Bicyclopropylidenes
(2020-11-16)Iron-catalyzed C–H/N–H activations for the annulation of allenes, alkynes, and bicyclopropylidenes were realized by using a customizable clickable triazole amide under mild reaction conditions. The powerful iron catalysis ... -
Resource-Economical Synthesis by Selective Metal-Catalyzed C–H Activations
(2021-04-30)The advent of new synthetic strategies has enriched the synthetic organic chemistry to access molecules with tremendous complexity. In this context, transition metal-catalyzed C−H activation has emerged as a powerful tool ... -
Selectivity Control in 3d Transition Metal-Catalyzed C–H Activation
(2019-08-23)Methods for the selective functionalization of otherwise inert C–H bonds have been recognized as a transformative tool in synthetic organic chemistry, with applications ranging from the synthesis of complex bioactive ... -
Site-Selectivity in Ruthenium-Catalyzed C–H and C–C Activations
(2020-09-23)During the past decades, transition metal-catalyzed C–H and C–C activation has been recognized as a powerful platform in organic synthesis to access the selective construction of new C–C and C–Het bonds. The full control ... -
Zugang zu Agrar- & Pharmawirkstoffen durch organische Synthese
(2015-07-30)This thesis contains the design of new spinosyn analogues via two subsequent heck reactions as well as the modification of a beta-selective glycoslylation method and the synthesis of six new potential Hsp47 inhibitors based ... -
β−Diketiminate Ligand Supported Group 2 Metal Hydroxide, Halide, Oxygen Bridged Heterobimetallic and Heterotrimetallic Complexes: Synthesis and X-ray Structural Studies
(2007-12-12)This PhD thesis describes the synthesis and structural characterization of group 2 metal hydroxide, halide, oxygen bridged heterobimetallic and heterotrimetallic complexes supported with ...