Used as a chiral building block in pharmaceutical synthesis, particularly in the development of active pharmaceutical ingredients where stereochemistry plays a critical role. Its amine functionality and chiral center make it valuable for forming amide or sulfonamide linkages in drug molecules. Commonly employed in the preparation of enzyme inhibitors and receptor modulators, especially in central nervous system agents and antiviral drugs. Also utilized in asymmetric synthesis to introduce chirality into more complex structures. Its cyclic ether group enhances solubility and can influence pharmacokinetic properties in final drug forms.