164584-09-2Relevant articles and documents
The Structure of Echinocarpic Acid. A Benzyl Ester from the Lichen Parmelia norcrambidiocarpa
Elix, John A.,Lajide, Labunmi,Wardlaw, Judith H.
, p. 1213 - 1216 (1995)
The benzyl ester echinocarpic acid ( 1',4'-dihydroxy-6'-methoxy-3'-oxo-1',3'-dihydroisobenzofuran-5'-ylmethyl 2,4-dihydroxy-3,6-dimethylbenzoate) (7) has been isolated from the lichen Parmelia norcrambidiocarpa together with atranorin and chloroatranorin.The structure of the compound (7) followed from a combination of spectroscopic and chemical data.