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 hydroxyl groups allow selective reactions in multi-step organic syntheses. Commonly employed in the preparation of enzyme inhibitors and receptor agonists/antagonists due to its structural stability and ease of functionalization. Also utilized in asymmetric synthesis to introduce chirality into target molecules, making it valuable in medicinal chemistry and drug discovery.