Used primarily in organic synthesis, especially in Suzuki-Miyaura cross-coupling reactions, where it serves as a boron-containing coupling partner to form carbon-carbon bonds. Its boronate ester group enables efficient and selective reaction with aryl or vinyl halides under palladium catalysis, making it valuable in the preparation of complex organic molecules, including pharmaceuticals and functional materials. The presence of the acetate-protected pyrrolidine moiety allows for further functionalization after coupling, enabling modular construction of target compounds. Commonly employed in medicinal chemistry and materials science for building blocks requiring nitrogen-containing heterocycles with tailored side chains.