tert-Butyl ((3R,5S)-5-methylpyrrolidin-3-yl)carbamate is primarily used as an intermediate in the synthesis of pharmaceutical compounds. It plays a significant role in the development of chiral molecules, particularly in the production of drugs targeting central nervous system disorders. Its stereochemistry makes it valuable for creating enantiomerically pure substances, which are critical for ensuring the efficacy and safety of therapeutic agents. Additionally, it is utilized in the preparation of protease inhibitors and other biologically active molecules, contributing to advancements in medicinal chemistry and drug discovery.