2-Methoxypsoromic acid, a new lichen depsidone from Pertusaria and Sulcaria species
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Elix, John
Wardlaw, Judith
Archer, Alan W
Obermayer, Walter
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CSIRO Publishing
Abstract
The depsidone 2-methoxypsoromic acid (4-formyl-3-hydroxy-2,8-dimethoxy-1,9-dimethyl-11-oxo-11-dibenzo[b,e][1,4] dioxepin-6-carboxylic acid) (9) has been identified in several lichen species. The structure of compound (9) followed from a combination of spectroscopic data.
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Australian Journal of Chemistry