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NMR Spectroscopic Investigations on Small Organic Molecules: Catalyst Stabilities, Low-Abundance Conformers, Intermediates and Reaction Mechanisms

Haindl, Michael (2017) NMR Spectroscopic Investigations on Small Organic Molecules: Catalyst Stabilities, Low-Abundance Conformers, Intermediates and Reaction Mechanisms. PhD, Universität Regensburg.

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Date of publication of this fulltext: 10 May 2017 11:14

Abstract (German)

In dieser Arbeit wurden unterschiedliche chemische Systeme kleiner organischer Moleküle in Lösung, mittels moderner NMR-spektroskopischer Methoden, untersucht. In Kapitel zwei wird der lange kontrovers diskutierte Bildungsmechanismus des zentralen, organokatalytischen Enaminintermediates, während der Selbstaldolisierungsreaktion von Isopentanal, katalysiert durch Prolin aufgeklärt. Zu diesem ...

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Translation of the abstract (English)

In this work, different systems of small organic molecules were investigated by means of modern solution NMR spectroscopy. In chapter two, the controversial discussed formation mechanism of the central organocatalytic enamine intermediate during the self-aldolization reaction of isopentanal, catalyzed by proline is elucidated by a combination of rate constant determination by NMR and theoretical ...

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Item type:Thesis of the University of Regensburg (PhD)
Date:10 May 2017
Referee:Prof. Dr. Ruth M. Gschwind and Prof. Dr. Werner Kremer and PD Dr. Sabine Amslinger
Date of exam:10 May 2016
Institutions:Chemistry and Pharmacy > Institut für Organische Chemie
Chemistry and Pharmacy > Institut für Organische Chemie > Arbeitskreis Prof. Dr. Ruth Gschwind
Keywords:NMR, small organic molecules, mechanistic investigation, inermediate, organocatalysis, EXSY, initial rate approximation, rate constant, reaction mechanism, enyn, nitronate, cis-peptide, iminium pathway, selective irradiation
Dewey Decimal Classification:500 Science > 500 Natural sciences & mathematics
500 Science > 540 Chemistry & allied sciences
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:33860
Owner only: item control page

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