This compound is primarily utilized in the field of organic synthesis, where it serves as a key intermediate in the development of complex molecules. Its structure, featuring a spirocyclic framework with 1-oxa-9-azaspiro[5.5]undecane core, a free hydroxyl group at position 4, and a tert-butyl carboxylate protecting group on the nitrogen, makes it particularly valuable in the construction of pharmacologically active compounds. Researchers often employ it in the synthesis of novel drug candidates, especially those targeting neurological disorders, due to its potential to serve as a scaffold that interacts with specific biological receptors. Additionally, its stability and reactivity under various conditions allow for its use in multi-step synthetic pathways, enabling the creation of diverse chemical libraries for drug discovery and development.