1,4-Benzodioxane Lignans: An Efficient, Asymmetric Synthesis of Flavonolignans and Study of Neolignan Cytotoxicity and Antiviral Profiles
作者:Lisa I. Pilkington、Jessica Wagoner、Toni Kline、Stephen J. Polyak、David Barker
DOI:10.1021/acs.jnatprod.8b00416
日期:2018.12.28
lack the chromanone motif found in the known antiviral flavonolignans, were tested. Notably, it was found that all eusiderin 1,4-benzodioxane neolignans exhibited greater antiviral activity than the potent and well-known silybin flavonolignans. While most modifications of the C-1' side chain did not significantly alter the cytotoxicity or antiviral activity, eusiderin M and nitidanin, which contain an
1,4-苯并二恶烷木脂素是一类生物活性化合物,这些年来一直备受关注。本文提出了与1,4-苯并二恶烷黄酮木聚糖和1,4-苯并二恶烷新木脂素有关的研究。描述了传统的1,4-苯并二恶烷黄酮木聚糖和3-脱氧黄酮木聚糖的新颖合成。然后研究了1,4-苯并二恶烷新木脂素的抗病毒和细胞毒性活性。测试了含有1,4-苯并二恶烷基序但缺乏已知抗病毒黄酮木聚糖中的苯并二氢吡喃酮基体的异木苷A,B,G和M,去甲烯基异木苷A和尼替丹宁。值得注意的是,已发现所有的硬脂苷1,4-苯并二恶烷新木脂素均比有效的和众所周知的水飞蓟宾黄酮木聚糖显示出更高的抗病毒活性。而C-1'的大多数修改 侧链未显着改变细胞毒性或抗病毒活性,含有烯丙醇侧链的优古精M和尼替丹宁具有较低的细胞毒性。所有的艾草苷都具有相似的抗病毒活性,其中艾草苷B具有最佳的选择性指数。这些结果表明,黄酮木聚糖的苯并二氢吡喃酮部分对于生物活性不是必需的。