Used as a key intermediate in the synthesis of pharmaceutical compounds, particularly in the development of kinase inhibitors and other bioactive molecules. Its spirocyclic structure and nitrogen-containing ring make it valuable for constructing complex heterocycles with potential activity in oncology and central nervous system disorders. The trifluoroacetate salt form enhances solubility and stability during synthetic processes, making it suitable for use in peptide coupling and medicinal chemistry research. Commonly employed in late-stage functionalization due to its rigid scaffold, which can improve binding selectivity and metabolic resistance in drug candidates.