Phenylboronic acids are a cornerstone class of building blocks in modern synthetic chemistry. Valued for their stability and versatility, they are primarily employed as key coupling partners in Suzuki-Miyaura cross-coupling reactions. This makes them indispensable for forging carbon-carbon bonds in the synthesis of complex molecules. Our portfolio offers a wide selection of substituted phenylboronic acids, including electron-donating and electron-withdrawing derivatives, to meet diverse synthetic needs. We ensure high purity, reliable batch-to-batch consistency, and expert technical support, serving the pharmaceutical, agrochemical, and material science industries. For specialized requirements, our custom synthesis services can develop tailored solutions to accelerate your R&D and manufacturing processes
| Name | CAS Number | Molecular Formula | Chemical Structure |
| 2-Methoxyphenylboronic acid | 5720/6/9 | C7H9BO3 | ![]() |
| 2-Hydroxyphenylboronic acid | 89466-08-0 | C6H7BO3 | ![]() |
| 1,4-Benzodioxane-6-boronic acid | 164014-95-3 | C8H9BO4 | ![]() |
| 2-Acetamidophenylboronic acid | 169760-16-1 | C8H10BNO3 | ![]() |
| 4-Tolylboronic acid | 5720-5-8 | C7H9BO2 | ![]() |
Phenylboronic acids are primarily valued for their role as coupling partners in the Suzuki-Miyaura cross-coupling reaction, a Nobel Prize-winning method for carbon-carbon bond formation. The key to their mechanism lies in the transmetalation step. In the presence of a palladium catalyst and a base, the boronic acid's boron atom undergoes ligand exchange. The base activates the boronic acid, forming a more reactive boronate complex. This complex then transfers its organic (phenyl) group to the palladium center. Finally, the phenyl group couples with the organic halide's carbon atom attached to the palladium, forming the desired biaryl product. This efficient, mild, and versatile mechanism makes phenylboronic acids indispensable for constructing complex molecular architectures, especially in pharmaceuticals and materials science.
Phenylboronic Acids
Phenylboronic acids are essential precursors for synthesizing proteasome inhibitors like bortezomib, a key drug for treating multiple myeloma. They enable the formation of reversible covalent bonds with the proteasome's active site, providing targeted anticancer activity .
Phenylboronic Acids
Phenylboronic acids serve as crucial building blocks for tyrosine kinase inhibitors (TKIs) and other targeted cancer therapies. Their reactivity in Suzuki-Miyaura cross-coupling reactions allows for the precise construction of complex molecular scaffolds that inhibit specific cancer-driving enzymes.
Phenylboronic Acids
Phenylboronic acids are key intermediates in developing next-generation anticoagulants, such as Factor Xa inhibitors used in blood-thinning medications. Their unique structure allows for designing compounds that selectively interfere with coagulation pathways.
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