Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of bioactive molecules and chiral building blocks for drug discovery. Its rigid, polycyclic structure supports stereoselective synthesis, making it valuable in creating potent and selective therapeutic agents. Commonly employed in the preparation of protease inhibitors and central nervous system-active compounds due to its ability to mimic peptide motifs while enhancing metabolic stability. Also utilized in asymmetric synthesis and as a scaffold in medicinal chemistry for optimizing pharmacokinetic properties.