Molecular Modelling Untersuchungen zur Enantiomerentrennung in der HPLC
eBook - PDF

Molecular Modelling Untersuchungen zur Enantiomerentrennung in der HPLC

,
  1. 202 pages
  2. English
  3. PDF
  4. Available on iOS & Android
eBook - PDF

Molecular Modelling Untersuchungen zur Enantiomerentrennung in der HPLC

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About this book

In der Enantiomerenanalytik spielen chromatographische Verfahren eine wichtige Rolle. Die enantio-selektive Chromatographie eignet sich sowohl zur Bestimmung der Enantiomerenreinheit, als auch zur Racemattrennung. Das System, das Gegenstand der vorliegenden Untersuchung ist, besteht aus dem Selektor, dem tert.-butyl-Carbamoylchinin, der kovalent an eine RP-Phase gebunden ist. Als Selektanden werden eine Reihe von N-funktionalisierten AminosĂ€uren betrachtet: R/S -N-Benzoylalanin, R/S -N-3, 5-Dinitrobenzoylalanin und R/S -N-Acetylvalin.Die SelektivitĂ€t ist eine chromatographische KenngrĂ¶ĂŸe, die ein Maß fĂŒr GĂŒte der Trennung ist. Thermodynamische Überlegungen zeigen, dass ein direkter Zusammenhang zwischen der SelektivitĂ€t und der StabilitĂ€t der Komplexe, zwischen dem Selektor und den Selektanden besteht. Ziel dieser Untersuchung war es die Struktur dieser Komplexe zu identifizieren und darauf aufbauend ein Modell fĂŒr die Trennung auf atomarer Ebene zu erstellen.

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Information

Year
2005
Print ISBN
9783865373427
eBook ISBN
9783736913424
Edition
1

Table of contents