Used as a key intermediate in the synthesis of complex organic molecules, particularly in pharmaceuticals and natural products. Its functional groups and stereochemistry make it valuable for constructing chiral building blocks in asymmetric synthesis. Commonly employed in the development of antiviral and anticancer agents due to its ability to participate in selective ring-forming reactions. The tert-butyldiphenylsilyl (TBDPS) protecting group allows for controlled reactivity, enabling stepwise transformations in multi-step synthetic routes.