This chemical is primarily used in organic synthesis as a protected form of 4-hydroxypyrrolidine-2-carboxylic acid. It serves as a key intermediate in the production of pharmaceuticals, particularly in the synthesis of peptide-based drugs and bioactive compounds. The tert-butoxycarbonyl (Boc) protecting group ensures selective reactions during complex molecular constructions, enhancing the efficiency of multi-step synthesis processes. Additionally, it is employed in the development of chiral catalysts and ligands, which are crucial in asymmetric synthesis for creating enantiomerically pure substances. Its stability and ease of deprotection under mild conditions make it a valuable tool in medicinal chemistry and drug discovery.