N-α-Z-N-δ-phthaloyl-L-ornithine is a protected amino acid derivative of L-ornithine bearing an Nα benzyloxycarbonyl (Z, Cbz-type) protecting group and an Nδ phthaloyl (phthalimido/isoindoline-1,3-dione) protecting group on the side-chain terminal amine. The molecule contains the free carboxyl group and the α-amino functionality is protected, while the side-chain retains a protected primary amine at the δ-position, giving a diamino acid framework with controlled chemoselectivity. In peptide synthesis and related amide-forming chemistry, the orthogonal protection pattern supports stepwise coupling strategies and helps suppress undesired reactions from the multiple nitrogen sites during preparation of ornithine-containing peptide intermediates and conjugation targets.
CAT No: CP08727
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