Used as an intermediate in pharmaceutical synthesis, particularly in the development of kinase inhibitors and other bioactive molecules. The bromophenyl group allows for further functionalization via cross-coupling reactions such as Suzuki or Heck reactions, enabling rapid diversification of molecular structure. The oxetane ring contributes to metabolic stability and improved pharmacokinetic properties in drug candidates. The tert-butyl carbamate (Boc) group serves as a protected amine, facilitating stepwise assembly in multi-step syntheses. Commonly employed in medicinal chemistry for optimizing lead compounds in oncology and CNS drug discovery programs.