Hydroxylation of the Labdane Diterpene Cupressic Acid by Fusarium graminearum

2002 
Cupressic acid [13-hydroxy-8(17),14-labdadien-19-oic acid], a diterpene obtained from Araucarea angustifolia elegans was biotransformed by Fusarium graminearum producing four hydroxylated diterpene derivatives, which were identified by chemical and physical methods as 3b,13-dihydroxy-8(17),14-labdadien-19-oic acid, 7a,13-drihydroxy-8(17),14-labdadien-19-oic acid, 8,13,17-trihydroxy-14-labden-19-oic acid and 13,14,15-trihydroxy-8(17)-labden-19-oic acid.
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