Used as a highly selective fluorescent sensor for detecting metal ions, particularly aluminum and zinc, in environmental and biological samples. Its unique cage-like structure allows for strong binding with specific cations, resulting in a measurable change in fluorescence intensity. This makes it valuable in developing chemosensors for trace metal analysis. Also employed in supramolecular chemistry to study host-guest interactions due to its well-defined cavity and steric shielding from the tert-butyl groups. The compound’s rigid framework and dual phenolic hydroxyl groups enable further functionalization for use in molecular recognition and catalysis applications.