This (S)-enantiomer of a substituted phenylboronic acid is primarily used in organic synthesis, particularly in Suzuki-Miyaura cross-coupling reactions, where it acts as a boronic acid reagent to facilitate the formation of carbon-carbon bonds. Its chiral structure, featuring a protected amino group and a boronic acid moiety, makes it valuable in the synthesis of complex organic molecules, including pharmaceuticals and agrochemicals. The tert-butoxycarbonyl (Boc) group provides stability during reactions, allowing selective deprotection when needed. Additionally, its methoxy ester functionality can be hydrolyzed or further modified, enhancing its versatility in multi-step synthetic processes. This compound is often employed in the development of bioactive compounds, such as enzyme inhibitors or receptor ligands, due to its ability to introduce specific structural motifs into target molecules.