Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of kinase inhibitors and central nervous system agents. Its structure supports the design of bioactive molecules due to the presence of both phenolic and piperazine functionalities, enabling hydrogen bonding and improved solubility. Commonly employed in medicinal chemistry for constructing drug candidates targeting neurological disorders and certain cancers. Also utilized in the preparation of functionalized polymers and as a building block in combinatorial chemistry for high-throughput screening libraries.