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Darstellung und Reaktivität neuer 2,3-Dihydro-1,3-diborol(yl)-rhodium-Komplexe

Ginsberg, Achim

English Title: Syntheses and reactivity of new 2,3-dihydro-1,3-diborol(yl)e-rhodium complexes

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Abstract

Mit den Bor-t-butylierten Diborolen wurden neue Diborol(yl)rhodium-Komplexe dargestellt, die für die Synthese neuer Oligo- bis Polydecker-Sandwich-Komplexe geeignet sein sollten, wobei der sterische Anspruch dieser neuen Liganden untersucht wurde. Desweiteren wurden temperaturabhängige NMR-spektroskopische Untersuchungen an Diborol/Alkyllithium/THF-Reaktionsmischungen durchgeführt, um den Reaktionsmechanismus des zweifachen Me/t-Bu-Austauschs bei der Darstellung von (1,3-Di-t-butyl-4,5-dimethyl-2,3-dihydro-1,3-diborolyl)-(toluol)rhodium aus dem Tetramethyldiborol, t-BuLi, Bisethenrhodiumchlorid-Dimer und Toluol zu klären.

Translation of abstract (English)

New diborol(yl)e rhodium complexes with boron-t-butylated diboroles were synthesized to generate new oligo- to poyldecker sandwich complexes in which the steric demanding of the new ligands were examined. Another point were temperature depending NMR spectroscopic examinations of reaction mixtures of diboroles and alkyllithium reagents in thf to determine the reaction pathway in the twofold Me/t-Bu exchange in the syntheses of the (1,3-di-t-butyl-4,5-dimethyl-2,3-dihydro-1,3-diborolyl)-(toluene)rhodium sandwich from the tetramethyldiborole, t-BuLi, dichloro-tetraethylene-dirhodium, and toluene.

Item Type: Dissertation
Supervisor: Siebert, Professor Walter
Date of thesis defense: 12. May 2000
Date Deposited: 16. Jun 2000 00:00
Date: 2000
Faculties / Institutes: Fakultät für Chemie und Geowissenschaften > Institute of Inorganic Chemistry
Subjects: 540 Chemistry and allied sciences
Controlled Keywords: Dihydrodiborole, Rhodiumkomplexe, Sandwich-Verbindungen
Uncontrolled Keywords: dihydrodiboroles , rhodium complexes , sandwich compounds
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