作者:Chuanjun Song、Junbiao Chang、Meiling Hong、Hui Liu、Li Sun、Feifei Jia、Yuanyuan Liu、Qingwei Jiang
DOI:10.1055/s-0031-1289882
日期:2011.12
A facile approach for the preparation of a cyclopenta[b]pyrrole derivative, the key precursor in Frontier’s synthesis of the macrotricyclic core of roseophilin, was developed. The key steps involved two successive pyrrole acylations and a Sc(OTf)3-catalyzed Nazarov cyclization reaction.
开发了一种简便的方法来制备环戊并[b]吡咯衍生物,这是Frontier合成罗索非菌素大三环核心骨架的关键前体。该方法的关键步骤涉及两次连续的吡咯酰基化反应和一个Sc(OTf)3催化的Nazarov环化反应。