Novel Polyesterified 334-seco-Grayanane Diterpenoids as Antifeedants from Pieris formosa

被引：28

作者：

Li, Chun-Huan ^{[1
,4
]}

Niu, Xue-Mei ^{[2
]}

Luo, Qian ^{[1
]}

Xie, Ming-Jin ^{[3
]}

Luo, Shi-Hong ^{[1
,4
]}

Zhou, Yan-Ying ^{[1
,4
]}

Li, Sheng-Hong ^{[1
]}

机构：

[1] Chinese Acad Sci, Kunming Inst Bot, State Key Lab Phytochem & Plant Resources W China, Kunming 650204, Peoples R China

[2] Yunnan Univ, Key Lab Conservat & Utilizat Bioresources, Kunming 650091, Peoples R China

[3] Yunnan Univ, Dept Chem, Kunming 650091, Peoples R China

[4] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

来源：

ORGANIC LETTERS | 2010年 / 12卷 / 10期

基金：

中国国家自然科学基金;

关键词：

GLUCOSIDES;

D O I：

10.1021/ol1007982

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Pieris formosa is a poisonous plant to livestock and is used as an insecticide in rural areas of China. Two novel polyesterified 3,4-seco-grayanane diterpenoids, pierisoids A and B (1 and 2),. were isolated from its flowers and were identified by spectroscopic analysis and X-ray diffraction. Both compounds showed obvious antifeedant activity against cotton bollworm, indicating their toxic properties, suggesting a defensive role of polyesterified 3,4-seco-grayanane diterpenoids for P. formosa against herbivores.

引用

页码：2426 / 2429

页数：4

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