Metabolite from a shake culture of Botrytis cinerea

Four new metabolites, 10-oxo-dihydrobotrydial, 4 beta -acetoxy-9 beta -10 beta -15 alpha -trihydroxyprobotrydial, beta -O-methyldihydrobotrydialone and alpha -O-methyldihydrobotrydialone, were isolated from a shake culture of Botrytis cenerea. The second compound, a tricyclic sesquiterpene, is a key...

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Bibliographic Details
Published in:Phytochemistry (Oxford) 1995-01, Vol.38 (3), p.647-650
Main Authors: Collado, I G, Hernandez-Galan, R, Duran-Patron, R, Cantoral, J M
Format: Article
Language:English
Subjects:
Botrytis cinerea
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Summary:Four new metabolites, 10-oxo-dihydrobotrydial, 4 beta -acetoxy-9 beta -10 beta -15 alpha -trihydroxyprobotrydial, beta -O-methyldihydrobotrydialone and alpha -O-methyldihydrobotrydialone, were isolated from a shake culture of Botrytis cenerea. The second compound, a tricyclic sesquiterpene, is a key biosynthetic intermediate and sheds light on the last steps of the biosynthesis of botrydial derivatives. A higher oxidation level was observed in the metabolites isolated. The structures were elucidated by extensive NMR investigations of the natural compounds and their derivatives.
ISSN:0031-9422