Used as an intermediate in the synthesis of biologically active compounds, particularly in pharmaceuticals targeting kinase inhibitors. Its structure supports the development of drugs with high selectivity for protein kinases involved in signaling pathways, making it valuable in oncology research. The tert-butyl ester group facilitates protection during multi-step synthesis, allowing controlled reactions in the production of active pharmaceutical ingredients. Commonly applied in medicinal chemistry for optimizing drug candidates due to its chiral stability and compatibility with coupling reactions.