Used in pharmaceutical research as a key intermediate in the synthesis of kinase inhibitors, particularly targeting tyrosine kinases involved in cancer cell proliferation. Shows potential in developing anti-tumor agents due to its ability to selectively inhibit signaling pathways in malignant cells. Also employed in structure-activity relationship (SAR) studies to optimize drug candidates for improved potency and metabolic stability. Its sulfonamide and ester functionalities allow for further chemical modifications, making it valuable in medicinal chemistry for designing novel therapeutics.