Optical resolution of amino acid derivatives by micellar electrokinetic chromatography with sodium N-tetradecanoyl-l

Add time:08/06/2019    Source:sciencedirect.com

Optical resolution by micellar electrokinetic chromatography with sodium N-tetradecanoyl-l-glutamate (STGlu) was investigated. Similar to the case when using sodium N-dodecanoyl-l-valinate (SDVal), sodium N-dodecanoyl-l-glutamate (SDGlu) and N-dodecanoyl-l-serine (DSer), addition of sodium dodecyl sulfate (SDS), urea and methanol to STGlu micellar solutions gave improved peak shapes and enhanced the enantioselectivity. With an STGlu-3-[(3-cholamidopropyl)dimethylammonio]-1-propanesulfonate-SDS-urea-methanol solution, five phenylthiohydantion-dl-amino acids were separated and each enantiomeric pair was optically resolved. The resolution characteristic in the STGlu system, however, was not substantially different from those in SDVal, SDGlu and DSer systems.

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