Used primarily as a key chiral intermediate in the synthesis of antiretroviral medications, particularly as the bis-tetrahydrofuran (bis-THF) core in Darunavir, an HIV protease inhibitor. Its stereochemistry provides a rigid scaffold that enhances enzyme binding affinity, making it essential in pharmaceutical development for viral protease inhibitors. The diacetate protecting groups can be selectively removed or modified to attach peptide-like moieties, enabling the construction of potent, biologically active molecules with high enantiomeric purity. It is also utilized in the development of other therapeutics requiring constrained cyclic ether structures.