4-Biphenylboronic acid

4-Biphenylboronic acid (CAS: 5122-94-1) is an aromatic boronic acid compound, which consists of a biphenyl group (two benzene rings connected by a single bond) and a boronic acid group (-B (OH) 2) attached to the 4-position of the biphenyl structure. Its molecular formula is C12H11BO2, with a molecular weight of 198.03. It is a stable crystalline solid with good chemical reactivity, especially in Suzuki-Miyaura coupling reactions, and is widely used as an important intermediate in organic synthesis, pharmaceutical and material fields.

4-Biphenylboronic acid, [1,1'-Biphenyl]-4-ylboronic acid, Biphenyl-4-boronic acid, 4-Phenylphenylboronic acid, 4-Biphenylylboronic acid, [1,1'-Biphenyl]-4-boronic acid

1. Pharmaceutical Intermediates: 4-Biphenylboronic acid (CAS: 5122-94-1) is a key intermediate in the synthesis of pharmaceutical compounds, especially in the research and development of anti-tumor, anti-inflammatory and antiviral drugs, relying on its ability to undergo Suzuki coupling reactions to construct complex aromatic structures in active pharmaceutical ingredients. 2. Fine Chemicals: It is applied in the synthesis of fine chemicals such as specialty dyes, organic pigments, and organic synthesis reagents, due to its aromatic structure and boronic acid reactivity, which can be modified to prepare products with specific properties. 3. Material Intermediates: 4-Biphenylboronic acid (CAS: 5122-94-1) serves as an intermediate in the preparation of functional materials such as organic semiconductors, liquid crystals, and high-performance polymers, helping to improve the material’s thermal stability, photoelectric performance and mechanical properties. 4. Chemical Research: It is widely used as a standard reagent and research tool in organic chemistry, synthetic chemistry and material chemistry research, facilitating the study of coupling reaction mechanisms and the development of new synthetic routes for complex organic compounds.

≥98%

C12H11BO2

198.03

Store in a cool, dry and well-ventilated place, away from heat, open flame and direct sunlight, sealed tightly to prevent moisture absorption and oxidation

White to off-white crystalline powder, slightly soluble in water, soluble in organic solvents such as ethanol, methanol

1.18 g/cm3 (at 25 °C, approx.)

226-230 °C (decomposes)