The first enantioselective total synthesis of (+)-stachyflin, a potential anti-influenza A virus agent, was achieved; the method features a BF3·Et2O-induced domino epoxide-opening/rearrangement/cyclization reaction to stereoselectively form the requisite pentacyclic ring system in one step.
首次实现了(+)-
水飞蓟素(一种潜在的抗甲型流感病毒制剂)的对映选择性全合成;该方法的特点是通过
BF3-Et2O 诱导的多米诺
环氧化物开环/重排/环化反应,在一个步骤中立体选择性地形成所需的五环系统。