Synthesis, characterization and biological activities of 3-aryl-1,4-naphthoquinones – green palladium-catalysed Suzuki cross coupling
作者:Aline da R. Louvis、Nayane A. A. Silva、Felipe S. Semaan、Fernando de C. da Silva、Gabriela Saramago、Laís C. S. V. de Souza、Bruno L. A. Ferreira、Helena C. Castro、Juliana P. Salles、André L. A. Souza、Robson X. Faria、Vitor F. Ferreira、Daniela de L. Martins
DOI:10.1039/c6nj00872k
日期:——
2-hydroxy-3-iodo-1,4-naphthoquinone and boronic acids were employed to prepare several 2-hydroxy-3-aryl-1,4-naphthoquinones in aqueous conditions using microwave irradiation or conventional heating. Because of the biological activities of quinones, which are related to their ability to accept electrons to form semiquinones and hydroquinones, the electrochemical behaviour of the synthesized molecules was investigated
醌是存在于多种天然产物或合成生物活性分子中的重要支架。芳基化是完成结构修饰的重要策略,从而导致新的潜在候选药物被用作药物。在目前的工作中,采用钯催化的2-羟基-3-碘-1,4-萘醌与硼酸之间的无钯,无膦的Suzuki偶联反应制备了几种2-羟基-3-芳基-1,4。 -萘醌在水性条件下使用微波辐射或常规加热。由于醌的生物活性与它们接受电子形成半醌和对苯二酚的能力有关,因此对合成分子的电化学行为进行了研究。Osiris和Molinspiration化学信息学计划,利用在计算机分析中,这意味着这些萘醌是候选药物,体外抗真菌和锥虫活性测试的结果进一步证实了这些萘醌。我们的体外数据表明,针对白色念珠菌ATCC 24433菌株的MIC值为8,微克mL -1,针对克氏锥虫锥虫病的锥虫杀虫活性,EC 50为0.67μM。