4-Mercaptophenylboronic acid (CAS 237429-33-3)

4-Mercaptophenylboronic acid, also known as 4-MBA or 4-MPBA, is a boronic acid variant of phenylmercaptan, a compound containing sulfur. It serves as a critical intermediate in the synthesis of various organic compounds, encompassing polymers and pesticides. Apart from that, 4-Mercaptophenylboronic acid is employed in the creation of diverse polymers and acts as a catalyst in organic reactions. It also aids in the production of other compounds like polysulfides, polythioethers, and polysulfones. 4-Mercaptophenylboronic acid finds a multitude of uses in scientific research applications, including the synthesis of organic compounds, catalytic reactions, and polymer production. Furthermore, it is involved in the creation of various types of pesticides, like herbicides and insecticides. The action mechanism of 4-Mercaptophenylboronic acid is not entirely known. However, it is postulated that its boronic acid group can form a complex with a variety of molecules, such as carbohydrates, proteins, and nucleic acids. This complex formation can lead to the inhibition of enzyme activity, protein-protein interactions, and DNA replication. Additionally, 4-Mercaptophenylboronic acid can also form complexes with metal ions like iron and copper, potentially inhibiting metal-catalyzed reactions.