What are the main uses of (2E)-3-(3,4-Dihydroxyphenyl)acrylic acid (CAS: 331-39-5)?

(2E)-3-(3,4-Dihydroxyphenyl)acrylic acid (CAS 331-39-5) is widely used in pharmaceuticals for synthesizing antioxidants and anti-inflammatory drugs. In industry, it serves as a precursor for polymer additives and dye intermediates. It may also be employed in food science for flavoring agents or preservatives. Researchers utilize it in studies related to chemical reactivity and biological activity. Its versatility stems from the hydroxyl and aromatic groups, enabling diverse applications in drug and material development.