Used primarily as an intermediate in the synthesis of advanced macrolide antibiotics, this compound plays a key role in modifying erythromycin derivatives to enhance antimicrobial activity, improve acid stability, and overcome bacterial resistance mechanisms. Its structure allows for selective functionalization, making it valuable in developing next-generation antibiotics with broader spectra and better pharmacokinetic profiles. It is not used directly as a therapeutic agent but serves as a critical building block in pharmaceutical research and development.