Facile Synthesis and Antibacterial Activity of Naturally Occurring 5-Methoxyfuroflavone
作者:Mohammad Sayed Alam、Dong-Ung Lee
DOI:10.1248/cpb.58.1643
日期:——
A convenient synthesis of 5-methoxyfuroflavone (6, pongaglabol methyl ether), a constituent of some Pongamia or Millettia genus, was achieved by starting from 2,4-dihydroxy-6-methoxyacetophenone via a chalcone precursor, followed by treatment with 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ). This five-step reaction (total yield: 21.6%) is more facile with that of previously utilized procedures
通过由查尔酮前体从2,4-二羟基-6-甲氧基苯乙酮开始,然后用2,3处理,可以方便地合成一些Pongamia或Millettia属的成分5-甲氧基呋喃黄酮(6,pongaglabol甲基醚)。 -二氯-5,6-二氰基-1,4-苯醌(DDQ)。该五步反应(总收率:21.6%)与先前使用的使用每种不同起始原料的方法相比更容易。通过圆盘扩散法测试了上述化合物及其前体查耳酮(也属于呋喃类黄酮的类别)对痢疾志贺氏菌,伤寒沙门氏菌,链球菌-β-溶血链球菌和金黄色葡萄球菌的抗菌活性。5-甲氧基呋喃酮对所有测试的细菌菌株均显示中等程度的杀菌活性,