Used in organic synthesis as a building block for Suzuki-Miyaura cross-coupling reactions, enabling the formation of carbon-carbon bonds in pharmaceutical and agrochemical development. Its structure allows for the introduction of methylnaphthyl groups into larger aromatic systems, which can enhance the electronic and steric properties of functional materials. Commonly applied in the preparation of conjugated polymers, liquid crystals, and bioactive molecules where naphthalene derivatives contribute to improved stability and luminescence. Also utilized in medicinal chemistry for constructing drug candidates targeting kinase inhibition and anticancer activity.