Insecticidal sesquiterpene esters from Celastrus angulatus

被引：0
作者：
Wu, WJ [1 ]
Wang, MA
Zhu, JB
Zhou, WM
Hu, ZN
Ji, ZQ
机构：
[1] Northwest Sci Tech Univ Agr & Forestry, Inst Pesticide, Yangling 712100, South Korea
[2] China Agr Univ, Coll Appl Chem, Beijing 100094, Peoples R China
来源：
CHINESE JOURNAL OF ORGANIC CHEMISTRY | 2002年 / 22卷 / 09期
关键词：
Celastrus angulatus; ss-dihydroagarofuran; sesquiterpene; insecticidal activity;
D O I：
暂无
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Five new sesquiterpene polyol esters with insecticidal activity against Mythimna separata were isolated from the root bark of Celastrus angulatus by bioassay-guided fractionation. Their structures were assigned as 1alpha,2alpha,6beta-triacetoxy-8alpha-isobutanoyloxy-9beta-(beta-furancarbonyloxy)-13-(alpha-methyl) butanoyloxy-4beta-hydroxy-beta-dihydroagarofuran (1), 1alpha,2alpha,6beta-triacetoxy-8alpha,13-diisobutanoyloxy-9beta-benzoyloxy-4beta-hydroxy-beta-dihydroagarofuran(2), 1alpha,2alpha,6beta-triacetoxy-8alpha-isobutanoyloxy-9beta-benzoyloxy-13-(alpha-methyl) butanoyloxy-4beta-hydroxy-beta-dihydroagarofuran (3), 1alpha,6beta,8alpha,13-tetraacetoxy-9alpha-benzoyloxy-2alpha-hydroxy-beta-dihydroagarofuran (4) and 1alpha,2alpha-diacetoxy-8beta-isobutanoyloxy-9alpha-benzoyloxy-13-(alpha-methyl) butanoyloxy-4beta,6beta-dihydroxy-beta-dihydroagarofuran (5) based mainly on NMR and MS spectral data. The LD50 values for compounds 1 5 against Mythimna separata were 91.4, 271.5, 168.8, 388.0 and 135.3 mug, respectively.
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页码：631 / 637
页数：7
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