Novel diterpenoid insect toxins from a conifer endophyte

Novel diterpenoid insect toxins from a conifer endophyte

The structures of two new insect toxins from an unidentified endophyte, originating from a needle of the balsam fir (Abies balsamea), have been determined by 1D and 2D nmr methods as 9 alpha -hydroxy-1,8(14),15-isopimaratrien 3,7,11-trione [1] and 9 alpha -hydroxy-1,8(14),15-isopimaratrien 3,11-dion...

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Veröffentlicht in:Journal of natural products (Washington, D.C.) D.C.), 1995-02, Vol.58 (2), p.197-200
Hauptverfasser: Findlay, JA, Li, G, Penner, P E, Miller, J D
Format: Artikel
Sprache:eng
Schlagworte:
Abies balsamea
Choristoneura fumiferana
Lepidoptera
Tortricidae
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Zusammenfassung:The structures of two new insect toxins from an unidentified endophyte, originating from a needle of the balsam fir (Abies balsamea), have been determined by 1D and 2D nmr methods as 9 alpha -hydroxy-1,8(14),15-isopimaratrien 3,7,11-trione [1] and 9 alpha -hydroxy-1,8(14),15-isopimaratrien 3,11-dione [2]. Both compounds are toxic to spruce budworm (Choristoneura fumiferana) cells and larvae.
ISSN:0163-3864
DOI:10.1021/np50116a006