3-(4-Thiazoyl)-DL-alanine is a DL-configured alanine derivative bearing a thiazoyl substituent at the 3-position of the side chain, classifying it as a non-proteinogenic, structurally modified amino acid. The molecule contains both an amino group and a carboxyl group characteristic of amino acid frameworks, while the thiazole/thiazoyl heteroaromatic ring introduces sulfur and nitrogen functionalities that can participate in heteroaromatic interactions and serve as a defined chemical handle for conjugation or labeling. As a substituted amino acid building block, it is used in peptide and amino acid derivative synthesis and in structure-activity or chemical biology studies where incorporation of a heteroaromatic thiazoyl motif supports analytical method development, molecular labeling, or preparation of more complex conjugates.
CAT No: CP24003
3-(4-Thiazoyl)-DL-alanine is a DL-configured thiazole-containing alanine derivative designed for use as a functional amino acid building block in heterocycle-incorporating peptide and medicinal chemistry workflows. The thiazoyl side-chain provides a distinct heteroaromatic motif that is commonly leveraged to introduce rigid, electronically differentiated functionality during scaffold construction. As a racemic amino acid derivative, it is frequently selected when stereochemical uniformity is not required and when the primary goal is to install the thiazoyl group into downstream intermediates or structure-activity relationship (SAR) libraries.
1. Peptidomimetic Scaffold Building
3-(4-Thiazoyl)-DL-alanine is used by medicinal chemistry and chemical biology groups to construct peptidomimetic motifs and heteroaryl-substituted analogs where a thiazoyl-bearing alanine unit contributes both steric definition and electronic character. In custom peptide and peptidomimetic synthesis, the amino acid framework supports incorporation into larger sequences or constrained analogs, enabling rapid SAR exploration around heteroaromatic substitution patterns. Researchers often choose the DL form for library synthesis where parallel evaluation of analogs is prioritized over single-enantiomer stereochemical control.
2. Pharmaceutical Intermediate Development
3-(4-Thiazoyl)-DL-alanine serves as a practical starting building block for preparing thiazoyl-functionalized pharmaceutical intermediates, including heteroaryl-containing amino acid derivatives and downstream coupling partners used in medicinal chemistry campaigns. Process and R&D teams typically value this scaffold for its direct transfer of the thiazoyl functionality into later-stage intermediates, supporting the synthesis of analog series that probe the impact of heteroaromatic substitution on target binding or physicochemical properties. The racemic nature can simplify early-stage intermediate availability when stereochemical resolution is deferred to later development steps.
3. Heteroaryl-Containing SAR Libraries
3-(4-Thiazoyl)-DL-alanine is widely used in structure-activity relationship library preparation by small-molecule discovery groups that require consistent installation of a thiazoyl group on an alanine-like backbone. The thiazoyl substituent offers a chemically distinct handle for generating analogs with varied substitution and linkage patterns, while the amino acid functionality supports standardized downstream derivatization routes used in parallel synthesis workflows. This application is especially relevant when the thiazoyl motif is treated as a key pharmacophore element and when a racemic input is acceptable for early SAR screening.
4. Analytical Reference Material Synthesis
3-(4-Thiazoyl)-DL-alanine is also employed in the preparation of analytical standards and method-development materials for LC-MS and related characterization workflows targeting thiazoyl-containing compounds. Analytical chemists and method developers may use this derivative as a precursor to generate reference compounds that match the heteroaryl motif present in their sample sets, improving identification confidence during impurity profiling, reaction monitoring, or characterization of intermediate mixtures. The defined thiazoyl functionality helps ensure that the reference material reflects the same structural class as the analytes of interest.
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