(2R,3S)-2-amino-3-hydroxy-succinic acid

(2R,3S)-2-amino-3-hydroxy-succinic acid is a stereodefined amino acid building block featuring both an amino group and a secondary alcohol, enabling downstream functionalization in peptide-like and heterocycle-forming syntheses. Its hydroxyl-bearing, dicarboxylic framework makes it a useful precursor for constructing oxygenated scaffolds and for preparing defined intermediates used in chemical biology and medicinal chemistry programs. Researchers typically select the (2R,3S) configuration to control stereochemical outcomes in subsequent coupling, cyclization, and derivatization steps.

1. Chiral Building Block Synthesis

(2R,3S)-2-amino-3-hydroxy-succinic acid is used by medicinal chemistry and process chemistry teams as a chiral starting material for building oxygenated, stereochemically defined fragments. The combination of an amino functionality and a hydroxyl-bearing side chain supports conversion into protected derivatives and subsequent coupling partners used to assemble larger heterocyclic or peptidomimetic motifs. Its defined stereochemistry is particularly valuable when downstream structure-property studies require consistent stereochemical identity across analog series.

2. Peptidomimetic And Amide Coupling

(2R,3S)-2-amino-3-hydroxy-succinic acid serves as an amino acid-derived unit for preparing amide-containing peptidomimetics and constrained backbone analogs in hit-to-lead optimization workflows. The presence of both carboxyl groups and an alcohol allows developers to design scaffolds that incorporate hydroxyl functionality while maintaining a defined three-dimensional arrangement. This makes it relevant for custom synthesis of research libraries where stereochemical fidelity and functional group placement are required for subsequent biological evaluation.

3. Chemical Biology Probe Precursors

(2R,3S)-2-amino-3-hydroxy-succinic acid is also employed as a functionalized precursor in chemical biology for generating defined linkers and tagged analogs used in target engagement and pathway-mapping studies. The hydroxyl group provides a handle for derivatization into protected or activated forms, while the amino functionality supports attachment strategies that yield stable conjugates for downstream labeling workflows. Teams building small-molecule probes and affinity reagents often rely on stereodefined intermediates to reduce structural ambiguity during probe synthesis and characterization.

4. Pharmaceutical Intermediate Development

(2R,3S)-2-amino-3-hydroxy-succinic acid is used as a stereochemically controlled intermediate in pharmaceutical intermediate development where oxygenated, amino-containing fragments are required. Process and synthesis groups value such building blocks for enabling late-stage diversification into protected derivatives and coupling-ready intermediates that feed into broader synthetic routes. The molecule's functional group pattern supports practical downstream transformation steps that are common in route scouting and analog manufacturing for research-grade compound libraries.

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