Abstract
Abstract threo-γ-Hydroxy-l-β-lysine which is a constituent amino acid of antibiotics tuberactinomycin A and N, was synthesized from threo-β-hydroxy-l-ornithine derivative by the Arndt-Eistert reaction. The synthetic amino acid was identical with the natural sample in all respects. Furthermore, a route was established to prepare a protected γ-hydroxy-β-lysine derivative useful for the peptide synthesis.
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