N-α-Z-N-β-allyloxycarbonyl-D-2,3-diaminopropionic acid is a protected, non-proteinogenic amino acid derivative featuring a D-configured 2,3-diaminopropionic acid backbone bearing two amino substituents at the α and β positions. The α-amino group is protected as a benzyloxycarbonyl (Z/Cbz) carbamate, while the β-amino group is protected as an allyloxycarbonyl (Alloc) carbamate, and the molecule retains a free carboxyl functional group for controlled reactivity. In peptide and amino acid chemistry workflows, this orthogonally protected diamino acid is used as a stepwise building block where selective deprotection and subsequent coupling can introduce the diamino functionality into peptide-related intermediates and generate defined analogues for structure-activity studies or chemical biology labeling.
CAT No: CP05845
N-α-Z-N-β-allyloxycarbonyl-D-2,3-diaminopropionic acid is a D-configured, diamino amino acid building block featuring two stereochemically defined amino groups on the 2,3-diaminopropionic acid backbone. The α-amino functionality is protected as a benzyloxycarbonyl (Z/Cbz) carbamate, while the β-amino functionality is protected as an allyloxycarbonyl (Alloc) carbamate, providing orthogonal deprotection handles that can be exploited in stepwise synthesis. The molecule also contains a carboxylic acid group that can be converted into peptide-coupling-ready derivatives, while the protected carbamate carbonyls and benzylic/allylic substituents modulate nucleophilicity and chemoselectivity. As a chiral, bifunctional amino acid intermediate, it supports controlled peptide bond formation and subsequent functional-group unveiling for downstream scaffold elaboration in amino acid chemistry and peptide science.
1. Orthogonal Protected Amino Acids
N-α-Z-N-β-allyloxycarbonyl-D-2,3-diaminopropionic acid is used in orthogonally protected amino acid synthesis where chemoselective deprotection is required during multi-step assembly. The Z (Cbz) carbamate on the α-amino group and Alloc carbamate on the β-amino group provide distinct removal strategies, enabling sequential exposure of each amine for targeted derivatization or coupling. The D-2,3-diaminopropionic acid stereocenter arrangement supports stereochemically defined incorporation into peptide-like frameworks. The resulting intermediate utility extends to preparing protected amino acid derivatives for iterative construction of amino acid-rich motifs and for controlled generation of amine-functional products used in fine chemical synthesis.
2. Peptide Synthesis Building Block
N-α-Z-N-β-allyloxycarbonyl-D-2,3-diaminopropionic acid serves as a peptide building block for coupling chemistry that requires a diamino residue with orthogonally masked nucleophiles. The protected α- and β-amines reduce side reactions during peptide coupling, while the carboxylic acid enables conversion to activated species compatible with standard peptide coupling approaches. The orthogonal protection pattern can be leveraged to install the residue at a defined position, then selectively deprotect one amine to create branching points, additional amide linkages, or further functionalization on the side of the peptide chain. Downstream peptide analog construction benefits from the D-configuration and the controlled unveiling of amines, supporting structure-defined oligomer synthesis in peptide chemistry workflows.
3. Bioconjugation Linker Chemistry
N-α-Z-N-β-allyloxycarbonyl-D-2,3-diaminopropionic acid is applied in chemical biology and bioconjugation contexts where protected diamines are converted into reactive handles for conjugate formation. The two carbamate-protected amines can be selectively unmasked to generate primary amines with defined spacing relative to the backbone, supporting attachment strategies to biomolecule scaffolds through amide formation or nucleophilic coupling. The presence of a carboxylic acid allows preparation of conjugation-ready derivatives such as activated esters or amide-forming intermediates, while the orthogonal protection enables staged conjugation to minimize cross-reactivity. The D-2,3-diaminopropionic acid framework can be incorporated into linker regions of peptides or peptide conjugates to tune chemical stability and reactive-site geometry for subsequent analytical and functional studies.
4. Process Chemistry Intermediate Preparation
N-α-Z-N-β-allyloxycarbonyl-D-2,3-diaminopropionic acid is suitable for process chemistry intermediate preparation where stepwise protection management and predictable chemoselectivity are required at scale. The Z and Alloc carbamate protections provide a controlled reactivity profile by masking both amino groups during handling, storage, and coupling steps, while still enabling planned deprotection sequences to access free diamine functionality when needed. The carboxylic acid group supports conversion into coupling-grade forms, aligning with manufacturing routes that rely on intermediate activation and downstream derivatization. Industrial chemical manufacturing can employ this protected diamino amino acid to produce stereochemically defined building blocks for peptide-based materials, specialty reagents, and fine chemical intermediates requiring orthogonal functional-group control.
5. Peptidomimetics And SAR Studies
N-α-Z-N-β-allyloxycarbonyl-D-2,3-diaminopropionic acid is used in peptidomimetic design and structure-activity relationship studies where diamino residues introduce defined backbone polarity and amine-rich interaction sites. The D-configuration and rigid 2,3-diaminopropionic acid topology can be incorporated into constrained analogs, while the orthogonal Z/Alloc protection enables selective functionalization to generate libraries of amine-substituted derivatives. The protected amines can be converted into additional amide, urea, or substituted amine motifs after staged deprotection, supporting systematic exploration of how side-chain substitution patterns affect molecular recognition. Downstream SAR-oriented synthesis benefits from the ability to construct stereodefined peptidomimetic scaffolds with controlled functional-group placement for analytical characterization and comparative structure studies.
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