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Further characterization of seven bis(naphtho-.GAMMA.-pyrone) congeners of ustilaginoidins, coloring matters of Claviceps virens (Ustilaginoidea virens).
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1988
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Bioorganic ChemistryAntiparasitic AgentMolecular BiologyNew BisPeptide ScienceChemical BiologyChemical DerivativeUstilaginoidins DBiosynthesisBiochemical TaxonomyClaviceps VirensUstilaginoidea VirensDerivativesBiochemistryPharmacologyFurther CharacterizationNatural SciencesMedicineDerivative (Chemistry)Drug Discovery
Seven new bis(naphtho-γ-pyrone) derivatives, named ustilaginoidins D (8), E (9), F (10), G (11), H (12), I (13), and J (14), were isolated in addition to ustilaginoidins A (1), B (2), and C (3) from Claviceps virens. Their structures were elucidated chiefly on the basis of nuclear magnetic resonance data.