A New Approach to the Synthesis of Selectively Protected (2S)-1,2,4-Triaminobutane Derivatives. -A 5-step procedure is developed which renders possible an efficient preparation of ligand (VIII). -(TREDER*, A. P.; WALKOWIAK, A.; ZGODA, W.; ANDRUSZKIEWICZ, R.; Synthesis 2005, 14, 2281-2283; Dep. Pharm. Technol. Biochem., Tech. Univ. Gdansk, PL-80-952 Gdansk, Pol.; Eng.) -Y. Steudel 04-186