National Changhua University of Education Institutional Repository : Item 987654321/14954
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题名: An Efficient Synthesis of Neoflavonoid Antioxidants Based on Montmorillonite K-10 Catalysis
作者: Lee, J. M.;Tseng, T. H.;Lee, Yean-Jang
贡献者: 化學系
关键词: Montmorillonite K-10;4-phenylneoflavonoids;Fries rearrangement
日期: 2001
上传时间: 2012-12-10T02:51:39Z
出版者: Thieme
摘要: A new approach to synthesis of neoflavonoids, based on a high yielding Montmorillonite K-10 catalyzed lactone ring forming cyclization process, is described. The utility of this methodology is exemplified by its employment in the preparation of the substituted 4-phenylneoflavonoids 1-8. The free radical scavenging properties of these substances were evaluated. The neoflavonoids 1 and 5, which mimic esculetin-type antioxidants, were observed to quench hydrazyl free radicals.
關聯: Synthesis, 15: 2247-2254
显示于类别:[化學系] 期刊論文

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