Background.- Asymmetric Organocatalysis.- Catalytic Asymmetric Epoxidation of Electron-Deficient Olefins.- Synthesis and Relevance of 3-Hydroxy-1,2-dioxolanes and 1,2-Dioxolanes.- Objectives of this Ph.D. Work.- Results and Discussion.- Catalytic Asymmetric Epoxidation of Cyclic Enones.- Catalytic Asymmetric Epoxidation and Hydroperoxidation of Acyclic Enones.- Synthetic Transformations of Optically Active a,ß-Epoxy Ketones and 3-Hydroxy-1,2-dioxolanes.- Summary and Conclusions.- Mechanistic Considerations.- Preparation of Starting Materials.- Catalyst Synthesis.- Summary.- Outlook.- Experimental Part.- General Experimental Conditions.- Catalytic Asymmetric Epoxidation of Cyclic Enones.- Catalytic Asymmetric Hydroperoxidation and Epoxidation of Acyclic Enones.- Synthetic Transformations of Optically Active Products.- Preparation of Starting Materials.- Catalyst Synthesis.
