4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenol

As a professional chemist, I can explain that (4-Hydroxyphenyl)boronic acid pinacol ester is a versatile compound used in chemical synthesis as a boronic acid derivative. This compound is commonly employed as a key building block in Suzuki-Miyaura cross-coupling reactions, enabling the formation of carbon-carbon bonds under mild reaction conditions. In organic synthesis, this reagent serves as a crucial tool for the construction of biaryl compounds, which are prevalent in pharmaceuticals, agrochemicals, and materials science. Additionally, (4-Hydroxyphenyl)boronic acid pinacol ester is utilized in the preparation of various functionalized molecules, such as natural products and organic dyes, through its ability to participate in diverse transformations like halogenation, oxidation, and reduction reactions. This compound's compatibility with organometallic reagents further expands its utility in the formation of complex molecular structures with high efficiency and selectivity.