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A method for the synthesis of long chain diamines and tetramines starting from natural ÃŽÂ±-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

Amino Acid Based Synthesis of Chiral Long Chain Diamines and Tetramines