Used as a key intermediate in the synthesis of ansamycin antibiotics, particularly in the production of rifamycin and related antimicrobial agents. It serves as a building block for constructing the aromatic core of these drugs, contributing to their ability to inhibit bacterial RNA polymerase. Also employed in research settings for developing novel bioactive compounds and in the preparation of specialized peptides and enzyme inhibitors. Its functional groups allow for selective chemical modifications, making it valuable in medicinal chemistry and pharmaceutical development.