This compound is primarily used in the synthesis of pharmaceuticals, particularly as an intermediate in the production of peptide-based drugs. Its structure, featuring a tert-butoxycarbonyl (Boc) protecting group and a pyrrolidine core, makes it valuable in peptide coupling reactions, where it helps in the controlled assembly of amino acids. The 4-methylbenzyl moiety enhances its stability and reactivity in organic synthesis. It is also employed in the development of protease inhibitors and other bioactive molecules, contributing to advancements in medicinal chemistry and drug discovery.