2-Isobutylphenylboronic acid is commonly used as a key intermediate in organic synthesis, particularly in Suzuki-Miyaura cross-coupling reactions. This reaction is widely employed in the pharmaceutical industry to create complex biaryl structures, which are essential components of many drugs. It also finds application in the development of advanced materials, such as polymers and liquid crystals, where precise molecular architecture is required. Additionally, it is utilized in the preparation of boron-containing compounds for research in medicinal chemistry and catalysis.