2,5-Dihydroxycinnamic acid
# 2,5-Dihydroxycinnamic acid

2,5-Dihydroxycinnamic acid is a hydroxycinnamic acid. It is an isomer of caffeic acid.

## Preparation

2,5-Dihydroxycinnamic acid is produced by Elbs persulfate oxidation of o-Coumaric acid.

