HPLC enantioseparation of amino acids and their protected derivatives used in peptide synthesis with pre-column chiral derivatization
2000
Indirect chiral separation methods based on enantiomeric derivatizations were developed in order to monitor optical purity of uncoded amino acids and a new series of amino acid derivatives. Marfey's reagent was used for derivatization of amino groups: whilst boxyl groups were derivatised with (1R, 2R)-or (1S, 2S)-2-amino-1(4-nitrophenyl)-1,3-propanediol reagents were used, respectively. The separations of diastereomeric derivatives formed via derivatization were optimized in RP-HPLC and NP-HPLC systems.
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