Used in organic synthesis as a versatile building block for creating complex molecules, particularly in Suzuki-Miyaura cross-coupling reactions to form carbon-carbon bonds. Its boronic acid group facilitates the coupling with aryl halides, enabling the synthesis of biaryl compounds, which are valuable in pharmaceuticals, agrochemicals, and materials science. Additionally, it serves as a ligand in catalysis, enhancing reaction efficiency and selectivity. Its pyrrolidine moiety can impart unique steric and electronic properties, making it useful in designing drugs and bioactive molecules.