Used in organic synthesis as a catalyst or reagent in fluorination reactions, particularly in the introduction of trifluoromethyl groups into pharmaceutical intermediates. Commonly applied in the development of agrochemicals and bioactive molecules due to its ability to enhance reaction selectivity and yield under mild conditions. Also utilized in peptide synthesis and modification where acid-labile protecting groups are present, thanks to its controlled reactivity and solubility profile in polar aprotic solvents.