Abstract
The depsidone, galbinic
acid (α-acetylsalazinic acid) (4), has been
isolated from the lichen Usnea undulata
together with usnic, norstictic and salazinic acids. The structure of the
compound (4) followed from a combination of spectroscopic and chemical data and
was confirmed by comparison with a synthetic sample. The acetylation of
salazinic acid was further investigated.
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12 articles.
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