N-α-Z-N-ε-trifluoroacetyl-L-lysine is a protected lysine derivative in which the α-amino group is carbobenzyloxy (Z) protected and the ε-amino side chain is trifluoroacetylated, yielding a mono-protected, bis-amino-protected amino acid building block. The molecule retains the free carboxyl functional group and bears a protected primary amine at the ε-position, with the L stereochemical designation indicated in the name and the lysine side chain providing a (CH2)4 chain terminating in the acyl-protected nitrogen. In peptide synthesis workflows, this orthogonally protected lysine analogue can be employed as a precursor for introducing a lysine residue with controlled chemoselectivity of the α- and ε-amino functionalities, supporting stepwise assembly of peptide structures and the preparation of lysine-containing peptide derivatives for structure-activity and labeling studies.
CAT No: CP01460
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