Used as an intermediate in the synthesis of pharmaceuticals, particularly in the development of anti-inflammatory and analgesic agents. Its functional groups allow for easy modification and attachment to other molecular structures, making it valuable in drug design. Commonly employed in the preparation of sulfonamide derivatives, which are key components in various therapeutic compounds. Also utilized in agrochemical synthesis for creating herbicides and plant growth regulators. Its reactivity enables efficient coupling reactions in organic synthesis, especially in the formation of complex aromatic systems.