Used primarily as an intermediate in organic synthesis, especially in the development of advanced materials and pharmaceuticals. Its spirocyclic structure with a bromine functional group makes it valuable in cross-coupling reactions, such as Suzuki or Heck reactions, enabling the construction of complex polycyclic frameworks. It is also employed in the synthesis of specialty polymers and optoelectronic materials due to the rigidity and stability imparted by the fluorene and cyclohexane moieties. Its bromine site allows for easy functionalization, making it a versatile building block in medicinal chemistry and materials science.