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Reference type: Journal
Authors: Rong F, Li P, Feng XG, Yuan CW, Fu DG
Article Title: Preparation and Evaluation of Molecularly Imprinted Stationary Phase Used for Thin-Layer Chromatography.
Publication date: 2006
Journal: Chinese Journal of Chromatography
Volume: 24
Issue: (3)
Page numbers: 305-308.
Alternative URL: http://www.chrom-china.com/EN/article/downloadArticleFile.do?attachType=PDF&id=9953

Abstract: Thin-layer chromatography (TLC) using molecularly imprinted polymers (MIPs) as chiral stationary phases ( CSPs ) was applied to the determination of enantiomers of mandelic acid and its derivatives. In preparation of MIPs, L-mandelic acid) L-2-chloromandelic acid and L-4-chloromandelic acid were employed as templates; aciylamide (AM) and ethylene glycol dimethacrylate (EGDMA) were used as functional monomer and cross-linker respectively. With the development system of acetonitrile-5% acetic acid) the racemates of templates were completely separated on the CSPs, the chiral separation factor a were 1.45, 1.62 and 1. 56, respectively. Furthermore, the CSPs were able to resolve the racemates of template's derivatives. The relationship between the chemical structure of the analytes and chiral recognition of the CSPs was also investigated. This method provides a rapid, sensitive and convenient way of analyzing and determining the enantiomers of chiral compounds.
Template and target information: L-mandelic acid, L-2-chloromandelic acid, L-4-chloromandelic acid
Author keywords: chiral stationary phases, mandelic acid, Molecularly imprinted polymers, Thin-layer chromatography (TLC)


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