Carbamoyl-Leu-OH

Carbamoyl-Leu-OH contains a leucine-derived amino acid framework bearing a carbamoyl substituent on the side-chain and a free carboxylic acid, placing it in the class of amino acid derivatives rather than an unmodified proteinogenic amino acid. The molecule features an amino group and a carboxyl group suitable for further coupling chemistry, while the carbamoyl functionality introduces an additional carbonyl-containing hydrogen-bonding motif that can influence solubility and reactivity during peptide assembly. Carbamoyl-Leu-OH is employed as a building block for the preparation of modified peptides and as a substrate-like intermediate in structure-activity studies where leucine analogues with altered side-chain polarity and amide character are required.

Designed for biological research and industrial applications, not intended for individual clinical or medical purposes.

CAT No: CP26907

CAS No:26117-20-4

Synonyms/Alias:26117-20-4;L-4-Methyl-2-ureidopentanoicacid;n-carbamoyl-l-leucine;AC1LH4YT;SCHEMBL1001704;L-Leucine,N-(aminocarbonyl)-;CTK0J9687;ZINC82069958;AKOS010402383;(2S)-2-(carbamoylamino)-4-methylpentanoicacid

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M.F/Formula
C7H14N2O3
M.W/Mr.
174.2

Carbamoyl-Leu-OH is a leucine-derived amino acid derivative featuring a chiral, aliphatic side chain characteristic of L-leucine and a carboxylic acid functionality suited for peptide chemistry. The carbamoyl substituent on the amino group provides an amide-like nitrogen environment that modulates nucleophilicity and can be used to manage chemoselectivity during protected amino acid synthesis. The presence of both a carbonyl-rich carbamoyl group and a free carboxyl group supports coupling to activated carboxylic acids or peptide fragments while enabling downstream functional group transformations through controlled deprotection or acyl exchange strategies. The stereochemical integrity of the leucine center supports stereodefined incorporation into peptide sequences and structure-defined synthetic intermediates for biochemical research and process development.

1. Protected Amino Acid Chemistry

Carbamoyl-Leu-OH is applied in protected amino acid synthesis workflows where an N-carbamoyl motif helps regulate amine reactivity during peptide coupling chemistry. The leucine scaffold provides the stereogenic carbon and hydrophobic isobutyl side chain needed for sequence-accurate peptide building block preparation. The carboxylic acid group enables formation of activated esters or direct coupling to peptide-grade electrophiles, while the carbamoyl functionality can be retained or transformed depending on the chosen protection-deprotection strategy. Downstream use frequently includes generating defined leucine-containing intermediates for peptide assembly, amino acid derivatization studies, and synthetic methodology development in fine chemical synthesis.

2. Peptide Synthesis

Carbamoyl-Leu-OH is suitable for peptide synthesis as a leucine-based amino acid component that can be incorporated into growing peptide chains under coupling-compatible conditions. The free carboxyl group and the N-carbamoyl-protected amine support controlled formation of new amide bonds while maintaining the leucine stereochemistry at the alpha carbon. The carbamoyl carbonyl can influence coupling selectivity and may be compatible with orthogonal protection schemes when constructing peptides with multiple functional side chains. Resulting peptide products and peptide intermediates can be used for biochemical research intermediate preparation, sequence optimization, and peptidomimetic precursor generation where leucine residues contribute to hydrophobic patterning and conformational behavior.

3. Chemical Biology Labeling

Carbamoyl-Leu-OH can be employed in chemical biology research as a defined amino acid derivative for building labeled peptides or for preparing substrates used in biomolecular interaction studies. The combination of an N-carbamoyl group and a carboxylic acid handle supports conjugation planning through peptide coupling, linker installation, or conversion into activated derivatives for downstream attachment. The leucine side chain provides a hydrophobic anchor that can influence binding orientation when incorporated into peptide probes or recognition elements. Generated labeled or modified peptide scaffolds can serve as tools for monitoring molecular recognition, mapping interaction interfaces, and supporting structure-activity relationship studies in applied biochemical research.

4. Process Chemistry Intermediate

Carbamoyl-Leu-OH is relevant to process chemistry intermediate preparation where stable, isolable amino acid derivatives with controlled functional-group behavior are required for manufacturing route design. The carbamoyl-protected amine and the carboxylic acid group allow the compound to function as a feedstock for subsequent conversion into coupling-ready forms while limiting uncontrolled side reactions associated with free amines. The defined stereocenter of the leucine backbone supports stereochemically consistent intermediate supply for peptide building block production lines. Downstream utility includes use as an intermediate in specialty chemical production and pharmaceutical intermediate preparation for leucine-containing sequences and related amino acid derivative manufacturing.

5. SAR And Peptidomimetic Construction

Carbamoyl-Leu-OH is applicable to SAR studies and peptidomimetic construction where leucine residues are incorporated to tune hydrophobicity, steric bulk, and backbone recognition elements. The N-carbamoyl group provides a chemically manageable nitrogen functionality that can participate in peptide coupling strategies or be transformed to alternative amide/urea-like motifs during analog synthesis. The carboxylic acid enables attachment to scaffold fragments or conversion into coupling partners that support iterative library synthesis. Resulting leucine-containing peptide analogs and intermediate structures can be used to generate structure-defined series for medicinal chemistry support, fragment-based molecular design, and applied amino acid derivatization programs.

Size
1 g;5 g;
InChI
1S/C7H14N2O3/c1-4(2)3-5(6(10)11)9-7(8)12/h4-5H,3H2,1-2H3,(H,10,11)(H3,8,9,12)/t5-/m0/s1
InChI Key
JUIBQJHHPDRAGP-YFKPBYRVSA-N
Canonical SMILES
CC(C)CC(C(=O)O)NC(=O)N

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