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Organometallics playa key role in organic synthesis. Carbon carbon bond formation without main group and transition metal based reagents as well as catalysts is hardly imaginable, and the tremendous success in recent years in the field of stereoselective synthesis of complex biologically active com pounds would have been impossible without the advances in organometallic chemistry. From the wealth of carbon carbon bond forming reactions in organotransition metal chemistry many new methods have evolved. This was aided considerably by a deepening of our understanding of the relevant reaction mechanisms. Organometallic chemistry is the bridge par excellence between the traditional fields of inorganic and organiC chemistry. It was the intention of the "Volkswagen-Stiftung" to broaden this bridge by starting in 1986 the new interdisciplinary program "Organic Synthesis via Organo metallics". From its very beginning this program grew up after 6 years to now more than 60 projects and its encompasses besides its main topic "Organic Synthesis" mechanistic and structural aspects of organometallic chemistry as well. In a series of symposia sponsored by the "Volkswagen-Stiftung", the former of which were held in Hamburg (February 1986), Wiirzburg (October 1988) and Marburg (July 1990), a forum for intensive discussions and SCientific exchange was established. There, scientists participating in the program met with other experts form academia and from industry. The forth symposium was held in Aachen from July 15 to 18, 1992.
List of contents
Chiral Diamines in Asymmetric Organometallic Synthesis.- New Catalytic Asymmetric Carbon-Carbon Bond Forming Reactions by Rare Earth Alkoxides.- Application of High Pressure Techniques in Mechanistic and Synthetic Studies of Organometallic Systems in Solution.- Cleavage of the Carbon-Hydrogen Bond on Achiral and Chiral Transitionmetal Complexes.- Organometallic Chemistry of Excited States: Synthetic Applications of Mercury Photosensitization.- Transition Metal Catalyzed Dimerization of Olefins.- Stereoselective C-C Bond Formation with Chiral ?-Substituted Organolithium Compounds.- Synthetic Aspects of the Metal-mediated Cyclooligomerization of Phosphaalkynes.- Metal Containing Compounds: Prescursors for New Reactions and Materials.- Titanocene - Vinylidene - A Versatile Building Block.- Enantioselective Oligomerisation of ?-Olefins with Chiral Zirconocene/ Aluminoxane-Catalysts.- Recent Advances in Palladium-Catalyzed Oxidations.- Novel Developments in Zinc-mediated Organic Synthesis: Radical of Polar Mechanism.- Organometallics in Organic Synthesis via Radicals.- Synthetic Applications of 1,2-Metallate Rearrangements.
