This compound is primarily utilized in organic synthesis as a versatile building block for the development of complex molecular structures. Its unique spirocyclic framework, featuring an oxa-aza system, makes it valuable in the design and synthesis of pharmaceuticals, particularly in the creation of novel drug candidates targeting the central nervous system and psychiatric disorders. The compound’s structure, with its tert-butyl carboxylate protecting group on the nitrogen, allows for the introduction of diverse functional groups, enabling the exploration of new chemical spaces in medicinal chemistry. It is also employed in the preparation of intermediates for fine chemicals, where its stability and reactivity are advantageous.