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首页> 外文会议>9th Japan-China Symposium on Pesticide Science October 26-28, 1998 Tian Jin China >Synthetic Studies of Insecticidal Sesquiterpenoids from alpha-(-)-Santonin
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Synthetic Studies of Insecticidal Sesquiterpenoids from alpha-(-)-Santonin

机译：α-（-）-桑顿宁杀虫倍半萜类化合物的合成研究

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摘要

During the past ten more years, a variety of dihydroagarofuran sesquiterpene polyol esters have been caracterized from the Chinese Celastrus plants in our group, some of which demonstrated important insecticidal and/or insect antifeedant activities. A preliminary activity/structure relationship studies suggested that compounds with multihydroxyls at C-1, 2, 3, 4, 6, 8, 9 and 12 generally exhibit high insecticidal activity. However, only one synthetic procedure for them has been developed up to present, which included 19 steps of reactions and thus is of no practical use. In our recent synthetic efforts, research interesting was focussed on searching for a short and efficient procedure for synthesis of this kind of compounds, and here we present a method which was based on the choice of alpha-(-)-santonin as starting material because of the easy generation of multiple hydroxyls from its multi-functionality as well as its readily availability from nature.
机译：在过去的十年中，我们小组中的中国Celastrus植物已将多种二氢呋喃呋喃倍半萜烯多元醇酯化，其中一些具有重要的杀虫和/或昆虫拒食活性。初步的活性/结构关系研究表明，在C-1、2、3、4、6、8、9和12处具有多羟基的化合物通常表现出较高的杀虫活性。但是，迄今为止，仅开发了一种合成方法，包括19个反应步骤，因此没有实际用途。在我们最近的合成努力中，有趣的研究集中在寻找合成此类化合物的短而有效的方法上，在这里我们提出了一种基于选择α-（-）-桑坦宁作为起始原料的方法，因为从其多功能性容易生成多种羟基，以及易于从自然界中获得。

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