Used as a chiral intermediate in the synthesis of pharmaceuticals, particularly in the development of biologically active compounds where stereochemistry plays a critical role. Its protected amine and ester functionalities allow for selective transformations in multi-step organic syntheses. Commonly employed in the preparation of enzyme inhibitors and central nervous system agents due to its rigid, nitrogen-containing cyclic structure. The trifluoroacetate salts enhance solubility and stability during purification and storage, making it suitable for use in medicinal chemistry and process development.