(±)-BI-D is widely used in the field of organic synthesis as a chiral building block for the preparation of complex molecules. Its stereochemistry makes it particularly valuable in the development of pharmaceuticals, where enantiomeric purity is crucial for drug efficacy and safety. It serves as an intermediate in the synthesis of biologically active compounds, including potential therapeutic agents targeting neurological disorders and cardiovascular diseases. Additionally, (±)-BI-D is employed in material science for the creation of advanced polymers with specific optical properties, enhancing their application in high-performance materials. Its versatility also extends to catalysis, where it acts as a ligand in asymmetric catalytic reactions, improving the efficiency and selectivity of chemical processes.