Boc-L-beta-HVal-OH is a protected amino acid derivative in which L-β-homovaline (β-HVal) is rendered as the tert-butoxycarbonyl (Boc) carbamate at the amino group, making it a single-residue building block for peptide assembly. The molecule contains a free carboxylic acid functionality on the β-homovaline side and a Boc-protected α-amino group, while the β-branched side chain provides a hydrophobic, alkyl-rich environment characteristic of homovaline analogues. In peptide chemistry, this protected amino acid is used to control chemoselectivity during stepwise coupling strategies, supporting the incorporation of a β-branched residue into peptides and peptide-related intermediates under conditions that require the amine to remain masked.
CAT No: CP25490
CAS No:183990-64-9
Chemical Name:N-beta-(t-Butyloxycarbonyl)-L-homovaline
Boc-L-beta-HVal-OH is a Boc-protected amino acid building block derived from the L-configuration of β-amino acid-type valine, supplied as a carboxylic acid for downstream peptide and peptidomimetic synthesis. The N-terminus is protected with a Boc group, enabling controlled coupling chemistry while the β-amino acid framework supports incorporation into non-canonical peptide backbones and constrained analogs. This format is commonly used by peptide chemistry and medicinal chemistry groups that require reliable, bench-stable amino acid intermediates for assembling modified sequences.
1. Peptidomimetic Backbone Assembly
Boc-L-beta-HVal-OH is used by peptide and medicinal chemistry teams to build peptidomimetics and non-standard peptide backbones in which a β-amino acid residue is incorporated to modulate structure and sequence presentation. The Boc protection supports routine stepwise assembly workflows where the protected residue can be handled as a discrete intermediate, then introduced into a growing chain to generate analogs for structure-activity relationship studies and conformational control experiments. Researchers frequently select this specific protected β-amino acid form when they need a defined stereochemical starting point and a protected amine compatible with established protected-residue coupling strategies used in custom peptide synthesis.
2. Solution-Phase Peptide Synthesis
Boc-L-beta-HVal-OH is a practical choice for solution-phase peptide synthesis workflows that rely on protected amino acid intermediates to manage reactivity during segment coupling and iterative chain growth. Because the product is supplied as a Boc-protected amino acid with a free carboxylic acid handle, it fits into common coupling strategies used to prepare modified peptide segments and longer constructs where β-amino acid residues are desired. Custom peptide manufacturers and academic peptide groups use this building block to expand beyond proteinogenic residues, enabling the preparation of β-amino acid-containing peptides for downstream characterization such as purity profiling, fragmentation analysis, and backbone-dependent property evaluation.
3. Pharmaceutical Intermediate Development
Boc-L-beta-HVal-OH is frequently employed in pharmaceutical intermediate development for manufacturing routes that require a protected β-amino acid unit as a defined input for later functionalization or further assembly into larger fragments. Medicinal chemistry process development teams use Boc-protected amino acid building blocks to standardize key steps in the creation of specialized peptide-like scaffolds, including analog libraries where consistent stereochemistry and protected-group handling are essential. The presence of the Boc-protected amine and the carboxylic acid functionality makes this compound a convenient, well-defined intermediate for producing downstream coupling-ready fragments used in lead optimization programs and chemical biology reagent synthesis.
4. Modified Peptide Library Construction
Boc-L-beta-HVal-OH supports modified peptide library construction by providing a standardized β-amino acid residue that can be systematically varied in sequence context to probe structure-function relationships. Peptide library workflows in discovery chemistry labs often require building blocks that are easy to weigh, store, and incorporate reproducibly, and Boc-protected amino acids are routinely selected for this purpose. By enabling the incorporation of β-amino acid character into otherwise typical synthetic sequences, this reagent helps researchers generate libraries of non-canonical peptides for comparative analytical studies, stability assessments under controlled conditions, and characterization of sequence-dependent conformational behavior.
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