Metabolic products of Stemphylium radicinum. Part IV. Minor products

1 January 1971

journal article
Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society C: Organic

Vol. 12, 2261-2263
https://doi.org/10.1039/j39710002261

Abstract

Pyrenophorol, dehydrocurvularin, and a new C₉H₁₂O₃ compound, shown to be 2,3-dihydro-2-hydroxy-2,4-dimethyl-5-trans-propenylfuran-3-one, have been isolated in low yield from culture filtrates of the phytopathogenic fungus Stemphylium radicinum, C.M.I. 105654, in addition to radicinin and pyrenophorin which were obtained previously. The pyrenophorin was sometimes accompanied by an isomeric compound, possibly an artifact derived from it by an intramolecular Michael condensation.

Keywords

STEMPHYLIUM RADICINUM
PYRENOPHORIN
NEW C9H12O3
FUNGUS STEMPHYLIUM
ARTIFACT DERIVED
OBTAINED PREVIOUSLY
MICHAEL CONDENSATION
LOW YIELD

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