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Title
Catalysis with non-precious metals in biphasic systems / von Weber Stefan
Additional Titles
Zweiphasenkatalyse mit Eisen-basiereneden Katalysatoren
AuthorWeber, Stefan
CensorSchröder, Katharina ; Kirchner, Karl
PublishedWien, 2017
Descriptionvi, 84 Blätter : Illustrationen, Diagramme
Institutional NoteTechnische Universität Wien, Diplomarbeit, 2017
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Zusammenfassung in deutscher Sprache
Annotation
Abweichender Titel nach Übersetzung der Verfasserin/des Verfassers
LanguageEnglish
Document typeThesis (Diplom)
Keywords (DE)Katalyse / Ionische Flüssigkeiten / Eisen / Nachhaltige Chemie / Hydrierung
Keywords (EN)Catalysis / Ionic Liquids / Iron / Green chemistry / Hydrogenation
URNurn:nbn:at:at-ubtuw:1-102248 Persistent Identifier (URN)
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 The work is publicly available
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Abstract (English)

This work is dedicated to the immobilization of a well-defined iron-based catalyst for the reduction of aldehydes to primary alcohols in ionic liquids. The immobilized catalyst was successfully employed in liquid-liquid biphasic catalysis, using the reduction of 4-fluorobenzaldehyde as test reaction. By applying the adjustable nature of ionic liquids and their tunable properties, the reaction parameters could be optimized. The reactivity and the phase behavior of the system could be improved by screening of different ionic liquids. The benefit of liquid-liquid biphasic catalysis was demonstrated in the field of product and catalyst separation. Besides determination of reaction kinetics, recycling of the catalyst was investigated. The potency of this system was finally explored by studying its scope and limitations for a number of aliphatic and aromatic substrates.

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