Term Name: | 9-deoxy-hymatoxin A |
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Synonyms: | (-)-9-deoxy-hymatoxin A, (-)-9-deoxyhymatoxin A, (6beta,13alpha)-18-oxo-6,18-epoxypimar-7-en-16-yl hydrogen sulfate, 9-deoxyhymatoxin A |
Definition: | An organic heterotetracyclic compound that is isopimarane in which a hydrogen at position 2 of the 13-ethyl substituent has been replaced by a (sulfooxy) group, a double bond has been introduced at the 7-8 position, and the beta-methyl group at position 4 has been oxidised to the corrsponding carboxy group and coupled to position 6 to give a gamma-lactone. Isolated from an avendophytic fungus, Xylaria sp. YM 311647, obtained from Azadirachta indica, it shows potent inhibitory activity against C. albicans and Pyricularia oryzae. |
Ontology: | ChEBI [CHEBI:141328] ( EBI ) |