Used in organic synthesis as a building block for creating complex molecules, particularly in the development of pharmaceuticals and agrochemicals. Its spirocyclic structure and ethynyl group make it valuable for constructing diverse chemical frameworks. It is also employed in click chemistry reactions, where its alkyne functionality allows for efficient and selective coupling with azides. This compound is often utilized in research to explore new drug candidates and biologically active compounds. Additionally, it serves as an intermediate in the synthesis of materials with potential applications in polymer chemistry and advanced materials science.