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Determination of enantiomerization barriers by dynamic and stopped-flow chromatographic methods
O Trapp1, G Schoetz, V Schurig
1University of Tübingen, Institute of Organic Chemistry, Auf der Morgenstelle 18, 72076 Tübingen, Germany.
Chirality
|July 24, 2001
Abstract:
In recent years, dynamic chromatography and stopped-flow chromatographic techniques have become versatile tools for the determination of enantiomerization and isomerization barriers. Increasing demands for the stereochemical safety of chiral drugs contributed to the rapid development of new techniques. New computer-aided evaluation systems allow the on-line determination of interconversion barriers from the experimental chromatograms. Both dynamic chromatography and stopped-flow chromatography have been applied to the entire range of chromatographic methods (GC, SFC, HPLC, CE).