2-Naphthylmagnesium bromide is widely used in organic synthesis as a Grignard reagent. It is particularly valuable in the formation of carbon-carbon bonds, enabling the synthesis of complex organic molecules. This reagent is often employed in the preparation of naphthalene derivatives, which are important intermediates in the production of pharmaceuticals, agrochemicals, and dyes. Additionally, it is utilized in the synthesis of polymers and materials with specific optical or electronic properties. Its reactivity with various electrophiles, such as carbonyl compounds, makes it a versatile tool in the construction of alcohols, ketones, and other functionalized organic compounds.