Used primarily in organic synthesis as a specialized building block for complex natural product synthesis, particularly in the preparation of polyacetylene derivatives with potential biological activity. Its unique conjugated alkyne and alkene functionalities enable selective coupling reactions, making it valuable in pharmaceutical research for developing cytotoxic agents and antifungal compounds. Also employed in the synthesis of bioactive lipids and signaling molecules due to its structural similarity to certain natural acetylenic lipids. The acetate group allows for easy deprotection, facilitating stepwise construction of larger molecular architectures.