Protoilludane, Illudane, Illudalane, and Norilludane Sesquiterpenoids from Granulobasidium vellereum

Two new and seven known sesquiterpene compounds were isolated from an agar plate culture of Granulobasidium vellereum, isolated from a log of Ulmus sp. The two new structures were elucidated with spectroscopic methods as an illudalane derivative, granulolactone (1), and a 15-norilludane, granulodion...

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Bibliographic Details
Published in:Journal of natural products (Washington, D.C.) D.C.), 2016-06, Vol.79 (6), p.1698-1701
Main Authors: Kokubun, Tetsuo, Scott-Brown, Alison, Kite, Geoffrey C, Simmonds, Monique S. J
Format: Article
Language:English
Subjects:
Animals
Basidiomycota - chemistry
Insecticides - chemistry
Insecticides - isolation & purification
Insecticides - pharmacology
Molecular Structure
Nuclear Magnetic Resonance, Biomolecular
Sesquiterpenes - chemistry
Sesquiterpenes - isolation & purification
Sesquiterpenes - pharmacology
Tetranychidae - drug effects
Thysanoptera - drug effects
Ulmus - microbiology
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Summary:Two new and seven known sesquiterpene compounds were isolated from an agar plate culture of Granulobasidium vellereum, isolated from a log of Ulmus sp. The two new structures were elucidated with spectroscopic methods as an illudalane derivative, granulolactone (1), and a 15-norilludane, granulodione (9). The acaricidal and insecticidal activities of the isolated compounds were examined in vitro against two major horticultural pests, the two-spotted spider mite Tetranychus urticae and the glasshouse thrips Heliothrips haemorrhoidalis, respectively.
ISSN:0163-3864
1520-6025
DOI:10.1021/acs.jnatprod.6b00325