4-(Methoxycarbonyl)phenylboronic Acid

• CAT Number: R033771
• CAS Number: 99768-12-4
• Molecular Formula: C8H9BO4
• Molecular Weight: 179.97
• Purity: ≥95%
• Synonyms: (4-Carbomethoxyphenyl)boronic Acid; 4-Carbomethoxybenzeneboronic Acid; 4-Methoxycarbonylbenzeneboronic Acid; Methyl 4-Boronobenzoate; Methyl p-Boronobenzoate; p-(Methoxycarbonyl)boronic Acid; p-(Methoxycarbonyl)phenylboronic Acid
• Storage: -20°C
• IUPAC Name: (4-methoxycarbonylphenyl)boronic acid
• InChI: InChI=1S/C8H9BO4/c1-13-8(10)6-2-4-7(5-3-6)9(11)12/h2-5,11-12H,1H3
• InChIKey: PQCXFUXRTRESBD-UHFFFAOYSA-N
• SMILES: B(C1=CC=C(C=C1)C(=O)OC)(O)O

4-(Methoxycarbonyl)phenylboronic acid(CAT: R033771) is an aromatic boronic acid derivative featuring a para-substituted methoxycarbonyl (methyl ester) group on the phenyl ring. This compound is widely used as a coupling partner in Suzuki-Miyaura cross-coupling reactions, enabling the formation of biaryl structures and complex molecules in pharmaceutical and organic synthesis. The electron-withdrawing ester group influences reactivity and selectivity, making it suitable for fine-tuning electronic properties in target molecules. Its stability and functional group compatibility make it a valuable intermediate in the synthesis of agrochemicals, drug candidates, and functional materials.