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Synthesis and immobilization of catalysts on polymer supports and its application in chemo- and enantioselective oxidation reactions

URN to cite this document: urn:nbn:de:bvb:355-epub-156158

Chinnusamy, Tamilselvi (2011) Synthesis and immobilization of catalysts on polymer supports and its application in chemo- and enantioselective oxidation reactions. PhD, Universität Regensburg

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Abstract (English)

Due to great interest in the present topic, inspired by biological systems, chemists have developed a number of enantioselective oxidation reactions based on small molecule catalysis. However, one important goal to be achieved to make such process attractive for industrial application is recovery and reuse of precious catalyst without diminishing the enantioselectivity of product and TON of the reaction. Despite efforts by a couple of research groups, a simple and efficient protocol to graft polymers on catalysts for enantioselective oxidation of sulfides and oxidative kinetic resolution of secondary alcohols has remained elusive. So, the efficient immobilizations of the catalyst and its applications on chemo- and enantioselective oxidations are the main theme of this thesis.

Translation of the abstract (German)

Aufgrund des großen Interesses an diesem Thema, inspiriert durch biologische Systeme, haben Chemiker einige enantioselektive Oxidations-Reaktionen entwickelt, die auf niedermolekulare Katalysatoren basieren. Ein wichtiges Ziel, um einen solchen Prozess industriell attraktiv zu gestalten, ist die Rückgewinnung und Wiederverwendbarkeit des Katalysators, ohne dadurch die Enantioselektivität oder die Umsatzrate zu verringern. Trotz Erfolge einiger Arbeitsgruppen, bleibt eine einfache und effiziente Vorschrift für Anbindungen von Polymeren an Katalysatoren, für die entanioselektive Oxidation von Sulfiden und oxidative enantioselektive Resolution sekundärer Amine, schwer zu fassen. Deswegen ist die effiziente Immobilisierung von Katalysatoren und ihre Anwendung für Chemo- und Enantioselektive Oxidationen das Hauptthema meiner Arbeit.

Item Type:	Thesis of the University of Regensburg (PhD)
Referee:	Prof. Dr. Oliver Reiser
Date of exam:	18 June 2010
Institutions:	Chemistry and Pharmacy > Institut für Organische Chemie > Lehrstuhl Prof. Dr. Oliver Reiser
Keywords:	Asymmetric oxidations, chemoselective oxidation, polymer supports, asymmetric sulfoxidation, asymmetric kinetic resolution of sec alcohols
Subjects:	500 Science > 540 Chemistry & allied sciences
Status:	Published
Refereed:	Yes, this version has been refereed
Created at the University of Regensburg:	Yes
Owner:	Universitätsbibliothek Regensburg
Deposited On:	10 Aug 2011 09:19
Last Modified:	30 Jul 2012 11:09
Item ID:	15615

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