Abstract
Various chiral chemically bonded stationary phases for the separation of amino acid enantiomers by high performance ligand exchange chromatography are described. The phases were synthesized by treating silica gel with 3-glycidoxypropyltrimethoxysilane and bonding L-amino acids such as L-azetidine carboxylic acid, L-pipecolic acid or L-phenylalanine to the product. The best results were obtained with L-pipecolic acid as a fixed ligand. Nearly all common amino acid enantiomers could be separated.
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