Abstract
The structure of the lichen
depsidone psoromic acid (1)
(4-formyl-3-hydroxy-8-methoxy-1,9-dimethyl-ll-oxo-11H-dibenzo[b,e][l,4]dioxepin-6-carboxylic acid) is confirmed by a
combination of spectroscopic, degradative and synthetic experiments. Smiles
rearrangements encountered in the degradation of psoromic
acid are discussed.
Cited by
10 articles.
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