Used in pharmaceutical research as a key intermediate in the development of kinase inhibitors, particularly for targeting cancer-related enzymes such as cyclin-dependent kinases (CDKs). Its chiral structure enhances selectivity in drug design, improving efficacy and reducing off-target effects. Commonly employed in the synthesis of small-molecule therapeutics aimed at solid tumors and hematological malignancies. Also utilized in structure-activity relationship (SAR) studies to optimize potency and pharmacokinetic properties of candidate drugs.