N-Me-Ala-OMe is an N-methylated alanine methyl ester amino acid derivative featuring a methyl-substituted amino nitrogen (N-Me) and a carboxyl group masked as a methoxy ester (OMe), with an alanine side chain bearing a methyl substituent. The molecule contains a tertiary amide-like N-methylated amino functionality and an ester carbonyl, and its backbone lacks a free carboxylic acid and a free primary amino group, which alters hydrogen-bonding and reactivity relative to unprotected alanine. N-Me-Ala-OMe is used in peptide and amino acid chemistry as a protected/derivatized building block or substrate analogue for preparing more complex amino acid derivatives, investigating amide/ester reactivity patterns, and supporting solution-phase synthesis or analytical method development where controlled functional-group presentation is required.
N-Me-Ala-OMe is a methylated alanine methyl ester in which the amino group is N-methylated, producing a chiral amino acid ester framework with a stereogenic center at the α-carbon. The structure contains an ester carbonyl (OMe) and a secondary amide-like nitrogen (N-methylamide character) that modulates nucleophilicity and peptide coupling behavior compared with unprotected primary amines. The compound's compact side chain (methyl) and defined stereochemistry make it a controlled chiral building block for assembling alanine-containing sequences or for preparing alanine analogs where N-methylation is a structural motif. The ester functionality can participate in acyl transfer chemistry or be transformed into other activated carbonyl equivalents, while the N-methyl group provides a stable protection strategy that can persist through many synthetic steps and influence downstream conformational preferences in peptide-like scaffolds.
1. Peptide Synthesis
N-Me-Ala-OMe is applied in peptide synthesis planning as an N-methyl alanine methyl ester chiral building block for constructing alanine segments with an N-methylated backbone motif. The N-methylated amino functionality and methyl ester group enable controlled manipulation of termini during protected amino acid chemistry, including conversion of the ester to coupling-ready derivatives or use in fragment assembly where N-methylation is retained. The α-stereocenter supports stereodefined incorporation into growing chains, while the small alanine side chain simplifies side-reaction profiles and supports iterative coupling strategies. Downstream, the material can be used to generate N-methylated peptide fragments, alanine-rich peptidomimetics, and protected intermediates that feed into standard peptide coupling workflows.
2. Chiral Amino Acid Intermediate
N-Me-Ala-OMe is suitable as a chiral amino acid intermediate for stereoselective synthesis of N-methyl alanine derivatives and related chiral building blocks. The defined configuration at the α-carbon and the presence of both an ester carbonyl and an N-methylated nitrogen allow stepwise functional group interconversions that preserve stereochemical integrity. Ester-based transformations can be used to access alternative carbonyl handles for acylation chemistry, while the N-methyl group provides a persistent modification that can be carried into later stages to tune amide formation patterns. The resulting intermediates support downstream preparation of N-methylated amino acid esters, amides, and peptide analog precursors used in synthetic organic chemistry and biochemical reagent development.
3. Peptidomimetics And SAR Studies
N-Me-Ala-OMe is employed in peptidomimetic construction and structure-activity relationship studies where N-methylation at the alanine position is used to modulate backbone conformation and hydrogen-bonding patterns. The N-methylated amide-like nitrogen and the ester-to-amide conversion potential enable synthesis of peptide analog fragments that reflect N-methyl alanine incorporation without requiring side-chain functional complexity. The stereodefined α-carbon supports consistent spatial presentation of the alanine residue within larger scaffolds, which can be relevant for SAR workflows that compare residue-level modifications. Downstream, the compound can serve as a precursor to N-methyl-containing oligomers and analog libraries used to probe sequence effects in peptide-like binding motifs.
4. Pharmaceutical Intermediate Preparation
N-Me-Ala-OMe is applied in pharmaceutical intermediate preparation as an N-methyl alanine ester precursor for generating protected or activated carbonyl derivatives used in fine chemical manufacturing. The ester group can be converted into alternative acyl equivalents for subsequent amide-forming steps, while the N-methyl functionality provides a stable amino protection strategy that reduces the need for additional N-protecting groups in some synthetic sequences. The small, nonfunctionalized side chain supports scalable handling and helps streamline route design when alanine residues are introduced late in a synthesis. Downstream derivatives derived from this amino acid ester can feed into peptide-like intermediates, N-methylated fragments, and process-compatible building blocks for medicinal chemistry and applied synthesis programs.
5. Chemical Biology Labeling
N-Me-Ala-OMe can be used in chemical biology labeling and biomolecule modification research to prepare N-methylated alanine-containing linkers or peptide fragments that incorporate stereodefined residues. The N-methylated backbone unit can be maintained during linker assembly, while the ester functionality provides a handle for conversion into amide-forming groups that connect to other chemical motifs. The compact alanine structure supports incorporation into conjugation-ready fragments where minimizing side-chain reactivity can improve selectivity during downstream coupling. Resulting N-methyl alanine derivatives can be used as building blocks for labeled peptides, affinity probes, and chemically defined conjugates that support mechanistic studies and analytical characterization.
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