E-Hexen-1-ylboronic acid is widely used in organic synthesis, particularly in Suzuki-Miyaura cross-coupling reactions. This reaction is essential for forming carbon-carbon bonds, making it valuable in the production of pharmaceuticals, agrochemicals, and advanced materials. Its ability to act as a coupling partner with aryl or vinyl halides allows for the creation of complex organic molecules with high precision. Additionally, it is employed in the development of bioactive compounds and polymers, contributing to advancements in drug discovery and material science. Its stability and reactivity make it a versatile reagent in various chemical transformations.