3-(2-Thiazoyl)-L-alanine is an L-alanine derivative in which the side chain bears a thiazoyl (thiazole/thiazole-2-yl) substituent, giving a heteroaromatic functional group attached to the α-amino acid backbone. The molecule contains an α-amino group and a carboxyl group on the alanine framework, with the heteroaromatic thiazoyl moiety providing a distinct aromatic, heteroatom-rich handle and an electronic character that can influence conjugation and binding in chemical biology contexts. As a non-proteinogenic amino acid building block, it is used in peptide and peptidomimetic synthesis or in structure-activity and labeling studies where incorporation of a thiazoyl-bearing residue enables heteroaromatic functionality within a defined amino acid or peptide scaffold.
CAT No: CP23901
3-(2-Thiazoyl)-L-alanine is an L-amino acid bearing a thiazole (thiazoyl) heteroaromatic side chain, making it a useful building block for heteroaryl-containing peptide and small-molecule architectures. Its amino acid functionality supports incorporation into synthetic sequences where the heteroaromatic motif is required for structure-activity relationship studies, binding-site mimicry, or physicochemical tuning. Researchers typically select this scaffold when they need a defined, stereochemically consistent alanine core paired with a nitrogen/sulfur-rich aromatic ring for downstream coupling and analytical characterization.
1. Heteroaryl Peptide Building Block
3-(2-Thiazoyl)-L-alanine is used as a heteroaryl-containing amino acid building block for peptide synthesis workflows that require a thiazole-bearing side chain at an alanine position. Peptide chemists incorporate the L-alanine backbone to maintain stereochemical control while introducing the thiazoyl motif to probe how heteroaromatic electronics and heteroatom patterning influence conformation, aggregation propensity, and interaction profiles in peptide analogs. This reagent format is especially relevant for custom peptide synthesis and SAR campaigns where defined sequence placement of a thiazole side chain is needed for systematic comparison across analog series.
2. Medicinal Chemistry SAR Analog Synthesis
3-(2-Thiazoyl)-L-alanine serves as a practical intermediate for medicinal chemistry programs that build peptidomimetic structures or heteroaryl-substituted fragments. Medicinal chemistry groups use the amino acid scaffold to access thiazole-functionalized analogs with a controlled stereocenter, enabling rational variation of heteroaryl identity, ring substitution patterns, and side-chain orientation relative to the amino acid core. The thiazoyl group provides a chemically distinct aromatic handle for downstream derivatization and for generating libraries of compounds used in target-binding and property screening workflows.
3. Chemical Biology Probe and Tag Development
3-(2-Thiazoyl)-L-alanine is applied in chemical biology for constructing small-molecule or peptide-based probes that require a thiazole-containing motif as a structural element or recognition element. Chemical biology teams often choose this scaffold when they want to introduce a defined heteroaromatic side chain into a probe framework while retaining the amino acid's synthetic "handle" for coupling into larger constructs. In practice, the thiazoyl functionality supports the creation of probe analogs used in binding studies, competition assays, and mechanistic investigations where the heteroaryl pattern is used to modulate or report on molecular interactions.
4. Pharmaceutical Intermediate Development
3-(2-Thiazoyl)-L-alanine is also utilized as a pharmaceutical intermediate building block for manufacturing routes that require a thiazole-functionalized amino acid precursor. Process development and specialty chemical teams incorporate this defined L-amino acid into downstream synthetic sequences to access heteroaryl-substituted intermediates used in the preparation of peptidomimetic candidates and related research compounds. The presence of both amino acid functionality and a chemically robust heteroaromatic ring supports its role as a controlled starting material for producing structurally consistent intermediates for analytical method development and compound library production.
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