Used as a key intermediate in the synthesis of pharmaceutical compounds, particularly in the development of active pharmaceutical ingredients (APIs) that require azetidine ring systems. Its protected amine group allows for selective reactions at other functional sites, making it valuable in multi-step organic syntheses. Commonly employed in medicinal chemistry for constructing small molecule drugs, especially in programs targeting metabolic diseases, central nervous system disorders, and oncology. The ester functionality enables further derivatization, such as hydrolysis to carboxylic acids or conversion to amides, supporting diverse structure-activity relationship (SAR) studies.