Trans-1-Butenylboronic acid MIDA ester is primarily used in organic synthesis, particularly in cross-coupling reactions such as the Suzuki-Miyaura reaction. Its MIDA ester group provides stability, making it easier to handle and store compared to other boronic acids. This compound is valuable in constructing complex organic molecules, especially in pharmaceutical research and development, where precise carbon-carbon bond formation is crucial. Additionally, it is employed in the synthesis of alkenes and other unsaturated compounds, contributing to advancements in materials science and fine chemical production. Its stability and reactivity make it a versatile reagent in modern synthetic chemistry.