作者:Hiroki Shigehisa、Yoshihiro Suwa、Naho Furiya、Yuki Nakaya、Minoru Fukushima、Yusuke Ichihashi、Kou Hiroya
DOI:10.1002/anie.201210099
日期:2013.3.25
Hard core made easy: The pentacyclic core of trichodermatide A was stereoselectively synthesized from a bis(1,3‐cyclohexanedione) derivative by a ring‐closing reaction followed by an intramolecular ketal formation (see scheme; PPTS=pyridinium p‐toluenesulfonate). The first total synthesis of trichodermatide A was then completed by the introduction of three hydroxy groups.
硬核变得容易:木霉肽A的五环核是通过双(1,3-环己烷二酮)衍生物通过闭环反应随后分子内缩酮形成(见方案; PPTS =对甲苯磺酸吡啶鎓)立体选择性合成的。然后通过引入三个羟基完成木霉素A的第一次全合成。