Theoretical Aspects of Homogeneous Catalysis
Applications of Ab Initio Molecular Orbital Theory
Seiten
2012
Springer (Verlag)
978-94-010-4212-3 (ISBN)
Springer (Verlag)
978-94-010-4212-3 (ISBN)
Homogeneous catalysis plays an important role both in the laboratory and in the industry. Successful applications in industry involve new polymerisation processes with complexes of zirconium and related metals, new carbonylation processes employing palladium and rhodium, ring opening polymerisations, and new enantioselective isomerisation catalysts as in the preparation of menthol. Also in the synthesis of organic compounds in the laboratory highly selective homogeneous catalysts represent an irreplaceable part of the toolbox of the synthetic chemist. Examples of such reactions are cross-coupling (Ni, Pd), nucleophilic substitution of allylpalladium complexes, Heck reactions (Pd), asymmetric epoxidation, Wacker type reactions (Pd), asymmetric hydrogenations (Rh, Ru), reactions of chromium complexes, enantioselective reactions with Lewis acids, reactions with the McMurry reagent, etc. There is hardly any multistep organic synthesis that does not involve one of these metal catalysed reactions. Most of these catalysts have been developed by empiricism.
The metal catalysed processes consist of a series of elementary steps which often have been studied in isolation in organometallic chemistry. The knowl- edge of such elementary steps - effect ofligands, anions, coordination number, valence states - has greatly contributed to the development of improved cata- lysts for the reactions mentioned above. In addition to the empirical approach theoretical methods have given support and guidance to the development of improved processes. Often the key steps of a cycle escape from a direct ob- servation and then theoretical contributions are even more wanted.
The metal catalysed processes consist of a series of elementary steps which often have been studied in isolation in organometallic chemistry. The knowl- edge of such elementary steps - effect ofligands, anions, coordination number, valence states - has greatly contributed to the development of improved cata- lysts for the reactions mentioned above. In addition to the empirical approach theoretical methods have given support and guidance to the development of improved processes. Often the key steps of a cycle escape from a direct ob- servation and then theoretical contributions are even more wanted.
An Introduction to Quantumchemical Organometallic Chemistry.- Oxidative Addition Reactions.- Alkene Migratory Insertions and C-C Bond Formations.- Carbonyl Migratory Insertions.- A Density Functional Study on [2s+2s] Addition Reactions in Organometallic Chemistry.- Wacker Reactions.- A Study on Possible Intermediates in the Epoxidation of Ethene Catalysed by Manganese (III) -ch loro-porphyrin.
| Reihe/Serie | Catalysis by Metal Complexes ; 18 |
|---|---|
| Zusatzinfo | V, 220 p. |
| Verlagsort | Dordrecht |
| Sprache | englisch |
| Maße | 152 x 229 mm |
| Themenwelt | Naturwissenschaften ► Chemie ► Anorganische Chemie |
| Naturwissenschaften ► Chemie ► Organische Chemie | |
| Naturwissenschaften ► Chemie ► Physikalische Chemie | |
| ISBN-10 | 94-010-4212-8 / 9401042128 |
| ISBN-13 | 978-94-010-4212-3 / 9789401042123 |
| Zustand | Neuware |
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