What are the main uses of (2E)-3-(3-Hydroxy-4-methyoxyphenyl)acrylic acid (CAS: 537-73-5)?

The compound is primarily used in pharmaceuticals as a building block for drug molecules, in industrial applications for polymer synthesis, and in food science as a flavoring agent. It also serves as a research tool for studying aromatic substitution reactions and biological activity. Its versatility stems from the reactivity of the acrylic acid group and the functional groups on the phenyl ring.