What is the role of phenylboronic acid in the adsorption of phenolic acids?

Label:chem

Topic
Phenylboronic acid is a key functional group in the adsorbent SiO2-NH2-FPBA. It is known for its ability to interact with cis-diol groups present in phenolic acids, facilitating their adsorption.
Answer
Phenylboronic acid in SiO2-NH2-FPBA interacts with the cis-diol groups of phenolic acids, forming reversible borate esters. This interaction enhances the adsorption capacity of the adsorbent for phenolic acids.
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