Organic Synthesis via Organometallics (OSM 4) Proceedings of the Fou
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Dieter Enders Hans-Joachim Gais Wilhelm Keirn (Editors)
ORGANIC SYNTHESIS
VIA
(OSM4) Proceedings of the Fourth Symposium in Aachen, July 15 to 18, 1992
II
vleweg
Editors: Prof. Dr. Dieter Enders Prof. Dr. Hans-Joachim Gais Institut fUr Organische Chemie Prof. Dr. Wilhelm Keirn Institut fUr Technische Chemie und Petrochemie RWTHAachen Professor-Pirlet-Str. 1 D-W 5100 Aachen Federal Republic of Germany
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ISBN-13: 978-3-528-06481-5 e-ISBN-13: 978-3-322-84062-2 DOl: 10.1007/ 978-3-322-84062-2
Preface 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 compounds 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 Organometallics". 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. Sixteen distinguished and well recognized experts from Germany and abroad had been invited to present recent developments in main group and transition metal mediated asymmetric synthesis, oligomerization, asymmetric catalysis, oxidation and organometallic reaction mechanisms as well as in the synthesis of new organometallics. We feel. that their contributions presented in this volume provide an excellent view on the present state of the art in organic synthesis via organometallics and will stimulate further research in this rapidly advancing field of chemistry. The symposium impressivly demonstrated that organometallic chemistry and especially transition
