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A method for the synthesis of long chain diamines and tetramines starting from natural α-amino acids is reported. Diamines and tetramines were prepared through the Wittig olefination reaction of N-protected amino aldehydes obtained from phenylalanine and lysine. A 1,2,17,18-tetramine was synthesized using (2S)-1-azido-2-bis(tert-butoxycarbonyl)-amino-5-oxopentane as key-intermediate compound.
Loukas et al. (Thu,) studied this question.