Author:
Elix John A.,Wardlaw Judith H.
Abstract
The depsidone 4-O-methylconhypoprotocetraric acid
(8-hydroxy-3-methoxy-1,4,6,9-tetramethyl-11-oxo-11H-dibenzo[b,e][1,4]-dioxepin-7-carboxylic
acid) (4) has been isolated from the lichen
Xanthoparmelia competita together with usnic acid and
4-O-methylhypoprotocetraric acid (3). The structure of
compound (4) followed from a combination of spectroscopic data.
Cited by
1 articles.
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