C6H5BOH2
C6H5BOH2 refers to phenylboronic acid. It is an organoboron compound with the chemical formula C6H5B(OH)2. It consists of a phenyl group (C6H5) attached to a boron atom, which is further bonded to two hydroxyl groups (OH). Phenylboronic acid is a white crystalline solid that is soluble in many organic solvents and moderately soluble in water. It is a widely used reagent in organic synthesis, particularly in cross-coupling reactions such as the Suzuki-Miyaura coupling. In this reaction, phenylboronic acid couples with an organohalide in the presence of a palladium catalyst to form new carbon-carbon bonds. This reaction is highly versatile and has found extensive applications in the synthesis of pharmaceuticals, agrochemicals, and advanced materials. Phenylboronic acid can also participate in other reactions, including amination and etherification. Its stability and reactivity make it a valuable building block for constructing complex organic molecules. It is typically synthesized through the reaction of phenylmagnesium bromide with trimethyl borate, followed by hydrolysis.