Widely used in organic synthesis, particularly in cross-coupling reactions such as Suzuki-Miyaura coupling, enabling the formation of carbon-carbon bonds. It serves as a key intermediate in the preparation of pharmaceutical compounds, especially in the development of bioactive molecules and drug candidates containing piperazine moieties. Its boronate ester group allows for efficient and selective coupling with aryl halides, making it valuable in medicinal chemistry and the synthesis of complex organic structures. The tert-butoxycarbonyl (Boc) protecting group on the piperazine nitrogen prevents unwanted side reactions, enabling site-selective functionalization, and can be easily removed later for further modifications. Commonly employed in late-stage functionalization due to its stability and reactivity profile.