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Molecules 2009, 14(4), 1396-1403; doi:10.3390/molecules14041396
Article

A New Insecticidal Sesquiterpene Ester from Celastrus Angulatus

1
,
1
 and
1, 2,*
Received: 12 March 2009 / Revised: 23 March 2009 / Accepted: 27 March 2009 / Published: 30 March 2009
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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.
Keywords: Celastrus angulatus; β-dihydroagarofuran sesquiterpene; Insecticidal activity Celastrus angulatus; β-dihydroagarofuran sesquiterpene; Insecticidal activity
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Wei, S.-P.; Ji, Z.-Q.; Zhang, J.-W. A New Insecticidal Sesquiterpene Ester from Celastrus Angulatus. Molecules 2009, 14, 1396-1403.

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