Asymmetric Total Synthesis of (−)-Indicol by a Carbene Cyclization–Cycloaddition Cascade Strategy
作者:Sze Kui Lam、Pauline Chiu
DOI:10.1002/chem.200700838
日期:2007.11.26
The first total synthesis of a secodolastane, (-)-indicol, has been accomplished. The key reaction is a rhodium(II)-mediated carbene cyclization-cycloaddition cascade, by which the core bicyclo[5.4.0]undecane skeleton was assembled. In this one-pot reaction, a domino series of transformations resulting in the construction of three sigma bonds and three stereocenters was realized in good yield.
仲弹性体,(-)-靛蓝醇的第一个全合成反应已经完成。关键反应是铑(II)介导的卡宾环化-环加成级联反应,通过该级联反应组装了核心双环[5.4.0]十一烷骨架。在该一锅法反应中,以高收率实现了导致建立三个sigma键和三个立体中心的多米诺骨牌系列转化。