Used as a chiral building block in the synthesis of pharmaceuticals, particularly in the development of active pharmaceutical ingredients (APIs) requiring high enantiomeric purity. Its rigid pyrrolidine backbone with defined stereochemistry makes it valuable in medicinal chemistry for designing enzyme inhibitors and receptor modulators. Commonly employed in the preparation of drugs targeting central nervous system disorders and metabolic diseases. Also utilized in asymmetric synthesis to introduce fluorinated motifs that enhance metabolic stability and bioavailability.