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- Title
A New Insecticidal Sesquiterpene Ester from Celastrus Angulatus.
- Authors
Shao-peng Wei; Zhi-qin Ji; Ji-wen Zhang
- Abstract
A new sesquiterpene polyol ester with a β-dihydroagarofuran skeleton, NW37 (1), and three known compounds NW13 (2), NW16 (3) and NW35 (4) were isolated by bioassay-guided fractionation from the highly polar MeOH extracts of the root bark of Celastrus angulatus. Their chemical structures were elucidated mainly by analyses of MS and NMR spectral data. The insecticidal activity of compound 1 against 4th instar Mythimna separata larvae with a KD50 value of 252.3 μg·g-1 was demonstrated.
- Subjects
POLYOLS; ALDOSE reductase; INSECTICIDAL plants; CELASTRUS; ANTIFEEDANTS; ALKALOIDS; METHANOL; MASS spectrometry; NUCLEAR magnetic resonance
- Publication
Molecules, 2009, Vol 14, Issue 4, p1396
- ISSN
1420-3049
- Publication type
Article
- DOI
10.3390/molecules14041396