Used as an intermediate in organic synthesis, particularly in the preparation of pharmaceutical compounds. It plays a role in the development of kinase inhibitors and other biologically active molecules due to its ability to form stable derivatives with amine-containing compounds. Its alkyne functionality allows for use in click chemistry reactions, making it valuable in medicinal chemistry and drug discovery. Also employed in the synthesis of peptidomimetics and enzyme inhibitors where structural rigidity and specific hydrogen bonding capacity are required.