Used as a key chiral intermediate in the synthesis of antidiabetic drugs, particularly in the production of DPP-4 inhibitors like saxagliptin. Its stereochemistry enables high selectivity and potency in pharmaceutical formulations. The hydroxymethyl and difluoro groups enhance metabolic stability and binding affinity to the target enzyme. Commonly employed in late-stage functionalization due to its reactivity and compatibility with peptide coupling and nucleophilic substitution reactions. Also explored in the development of neuroprotective agents and enzyme modulators owing to its ability to cross the blood-brain barrier.