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Convenient methods for preparative synthesis of N epsilon-(2,3-dihydroxypropyl)-L-lysine and its phenylthiohydantoin derivative are described. The former compound was characterized by elemental analysis, melting point, and ion-exchange chromatography and the latter by elemental analysis, melting point, UV-spectrum, HPLC and thin-layer chromatography. This study was performed for investigations of lysine residues in proteins.

Preparation and Characterization of N ε -(2,3-Dihydroxypropyl)-L-lysine and its Phenylthiohydantoin Derivative