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Synthetic Studies of Insecticidal Sesquiterpenoids from alpha-(-)-Santonin

机译:α - ( - ) - Santonin杀虫癫痫杀虫癫痫的合成研究 - Santonin

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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,各种二氢咔啉呋喃酪蛋白萜烯醇酯已经被来自我们群体中的中国Celastrus植物的构思,其中一些毒性和/或昆虫抗透镜活动。 初步活性/结构关系研究表明,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高杀虫活性。 然而,只有一个合成程序已经发展到存在,其中包括19个反应步骤,因此没有实际使用。 在我们最近的合成努力中,研究有趣的是寻找对这种化合物的综合的简短而有效的程序,以及我们提出了一种基于α - ( - ) - Santonin作为起始材料的方法,因为 从其多功能度方便中生成多种羟基,以及其易于自然的可用性。

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