Used as an intermediate in the synthesis of pharmaceutical compounds, particularly in the development of kinase inhibitors for targeted cancer therapies. Its structure allows for selective binding in biological systems, making it valuable in medicinal chemistry research. Commonly employed in the preparation of active pharmaceutical ingredients (APIs) where the tert-butyl ester group acts as a protecting group, enabling controlled reactivity during multi-step synthesis. Also utilized in the optimization of drug candidates for improved metabolic stability and bioavailability.