natural products is a hot topic of current research. Marine natural products almazoles C–D were efficiently prepared and selected as the lead compounds in this work. Two series of almazole derivatives were designed and synthesized, and their antiviral and fungicidal activities were systematically evaluated. The results of anti-tobacco mosaic virus (anti-TMV) activity showed that almazoles C–D and their
植物病害严重影响农作物的生长发育和农产品的质量和产量。基于
天然产物寻找植物源候选农药是当前研究的热点。在这项工作中,海洋
天然产物阿马唑 C-D 得到有效制备并被选为先导化合物。设计并合成了两个系列的阿马唑衍
生物,并系统评价了它们的抗病毒和杀真菌活性。抗烟草花叶病毒(抗TMV)活性结果表明,阿马唑C-D及其衍
生物具有良好的抗TMV活性。化合物6 , 15 , 16a , 16b , 16g , 16l , 16n ,20a、20d、20i和20n表现出比商业抗病毒剂
利巴韦林更好的抗 TMV 活性。抗TMV机制研究表明,化合物16b可诱导20S CP(coat protein,CP)聚合,从而影响TMV病毒颗粒的组装。分子对接结果表明,化合物15、16b和20n可通过氢键与
氨基酸残基结合,达到优异的抗TMV作用。此外,大多数阿马唑衍
生物被发现对八种植物病原体(Fusarium oxysporum