Roccellic acid is a chemical compound with the molecular formula . It was first described as a chemical constituent of the lichen Roccella tinctoria by Friedrich Heeren, sometime before 1830. He sent a purified sample to Liebig, who analyzed them in the fall of 1830. It has since been identified in a variety of other lichens including Roccella montagnei, Lobodirina cerebriformes, Lobodirina mahuiana, and Dirina lutosa, among others.
Several laboratory syntheses of roccellic acid have been reported.
Related compounds Toensbergianic acid is a stereoisomer of roccellic acid and angardianic acid has been reported to be closely related, but its exact chemical structure is undetermined.
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