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  Novel Ruthenium Dihydrogen Complexes and their Application in Catalysis

Prechtl, M. H. G. (2007). Novel Ruthenium Dihydrogen Complexes and their Application in Catalysis. PhD Thesis, Rheinisch-Westfälische Technische Hochschule, Aachen.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-92A5-5 Version Permalink: https://hdl.handle.net/21.11116/0000-000D-8592-7
Genre: Thesis

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 Creators:
Prechtl, Martin H. G.1, Author           
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1Service Department Leitner (Technical Labs), Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445626              

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 Abstract: The synthesis of the non-classical ruthenium dihydrogen complexes [Ru(dtbpmp)H2(H2)] (PNP-pincer backbone) and [Ru(dtbpoet)(H2)H2] (POP-pincer backbone) with constrained geometries, their application in homogeneous catalysis and their reactivity towards small molecules like N2, CO2 and CO is described. The complexes with side-on bonded molecular hydrogen were analysed by NMR (T1-analysis), FT-IR and by means of DFT calculations. Ruthenium dihydrogen complexes have a great potential as catalysts for CH-activation, especially for H/D-exchange and hydrogen transfer processes. We successfully generated a ruthenium hydride catalyst for the H/D-exchange between (hetero)aromatic or olefinic protons and D2O (or C6D6) under mild conditions. The H/D-exchange processes included mechanistic investigation (NMR- kinetics and DFT calculations). Interestingly, it is also catalytically active in acceptorless dehydrogenation of alcohols to esters and some other reactions.

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Language(s): eng - English
 Dates: 2007-06-282007-06-28
 Publication Status: Issued
 Pages: 167
 Publishing info: Aachen : Rheinisch-Westfälische Technische Hochschule
 Table of Contents: -
 Rev. Type: -
 Identifiers: eDoc: 349911
 Degree: PhD

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