Used primarily as an intermediate in organic synthesis, especially in the pharmaceutical industry. It serves as a building block for the preparation of various bioactive molecules and drug candidates. Its structure allows for the introduction of pyrrolidine motifs, which are commonly found in medicinal compounds due to their favorable pharmacokinetic properties. Commonly employed in the synthesis of protease inhibitors and other enzyme modulators. Also utilized in research settings for developing novel heterocyclic compounds. The benzyloxycarbonyl (Cbz) protecting group safeguards the pyrrolidine nitrogen, enabling selective reactions at other functional sites, such as the exocyclic methylene group, during multi-step syntheses.