D-Norvaline is the D-stereoisomer of norvaline, a naturally occurring α-amino acid characterized by an unbranched three-carbon (propyl) side chain extending from the stereogenic α-carbon. The molecule bears a free primary amino group and a free carboxyl group, enabling it to form amino acid salts and to participate in peptide bond formation, with the D configuration distinguishing it from the corresponding L-norvaline. D-Norvaline is used in peptide and peptidomimetic synthesis and in structure-activity or stereochemical studies where incorporation of a D-amino acid side chain is used to probe conformational effects and chemical stability.
CAT No: CP08601
D-Norvaline is the D-enantiomer of norvaline, an aliphatic amino acid with a three-carbon side chain terminating in a primary carbon chain (-CH2-CH2-CH2-CH3) and a stereogenic α-carbon bearing the amino and carboxylate functionalities. The molecule exists as a zwitterion in aqueous media and can be converted into amino acid esters or N-protected derivatives to control solubility, reactivity, and chemoselectivity during synthesis. The D-configuration provides stereochemical fidelity for chiral peptide construction and for preparing enantiopure intermediates used in stereodefined structure-property studies. The primary amine and carboxylic acid (or their protected equivalents) enable standard peptide coupling chemistry and downstream functional group transformations to access substituted norvaline analogs.
1. Peptide Synthesis
D-Norvaline serves as a chiral amino acid building block for solid-phase or solution-phase peptide assembly where D-residue incorporation is required to tune backbone conformation and proteolytic stability. The α-amino and α-carboxyl groups can be protected as an N-protected amino acid derivative and activated as a carboxylate for peptide coupling, while the unbranched side chain supports formation of linear peptide segments and D-amino acid-containing sequences. D-Norvaline's stereochemistry allows construction of stereodefined peptide analogs for mechanistic studies of peptide folding, degradation, and receptor binding motifs. The resulting D-norvalyl peptides can be further derivatized at the termini or used as intermediates for peptidomimetic scaffolds.
2. Unnatural Amino Acid Incorporation
D-Norvaline is suitable for unnatural amino acid incorporation strategies in biochemical research and synthetic biology workflows that require D-amino acid substitution to probe structure-function relationships. The D-configuration at the α-carbon supports stereospecific placement within peptide or protein-like constructs, while the aliphatic side chain provides hydrophobic character without introducing additional heteroatoms. N- and C-terminal functionalization can be engineered through protection-group strategies (e.g., N-protection and carboxyl activation) to enable selective coupling to growing chains or to immobilized scaffolds. Downstream, D-norvaline-containing constructs can be used to generate stereochemically defined libraries for screening molecular recognition and for mapping how D-residues influence conformational ensembles.
3. Chiral Building Block Development
D-Norvaline functions as a chiral amino acid intermediate for producing enantiopure derivatives used in stereoselective synthesis and fine chemical manufacturing. The amino acid framework can be converted into protected esters, N-protected forms, or activated carboxylic acid equivalents to support controlled transformations such as side-chain functionalization, ester-to-amide conversion, and formation of substituted norvaline analogs. The stereocenter enables downstream stereospecific derivatization routes that preserve configuration during peptide coupling or subsequent chemical modifications. Chiral D-norvaline derivatives prepared from this starting material can serve as intermediates for chiral auxiliaries, stereodefined ligands, and analytical standards requiring D-amino acid identity.
4. Side-Chain Functionalization
D-Norvaline can be applied to side-chain derivatization chemistry where the unbranched aliphatic chain provides a handle for introducing functional groups through controlled oxidation, halogenation, or substitution strategies on protected amino acid derivatives. The primary amine and carboxyl group are typically managed via protection to ensure chemoselective modification of the side chain while maintaining the D stereocenter for subsequent coupling. Side-chain functionalized D-norvaline products can then be incorporated into peptides or used to generate peptidomimetic fragments bearing altered polarity, reactivity, or binding properties. The resulting functionalized amino acid intermediates support downstream synthesis of targeted analogs for chemical biology studies and for manufacturing of specialty chiral building blocks.
5. Pharmaceutical Manufacturing
D-Norvaline is relevant to pharmaceutical intermediate preparation where D-amino acid residues are used to construct stereochemically defined peptide-like intermediates for process development and scale-up. The amino acid's ability to be converted into N-protected derivatives and activated carboxyl forms aligns with common peptide coupling workflows, enabling controlled assembly of D-containing sequences under manufacturing-compatible protection-group strategies. The aliphatic side chain contributes predictable hydrophobicity and can be used to modulate solubility and crystallization behavior of intermediate materials during downstream processing. D-norvaline-derived intermediates can also feed into the preparation of peptidomimetic building blocks and chiral fragments used in specialty chemical production.
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