Enantioselective Total Syntheses and Absolute Configuration of JBIR-02 and Mer-A2026B
作者:Johannes Hoecker、Karl Gademann
DOI:10.1021/ol303502a
日期:2013.2.1
The first total syntheses of the piericidin related natural products Mer-A2026B and JBIR-02 are reported. Key features of the synthetic approach involve an Ir-catalyzed one-pot C–H activation/oxidation procedure for the preparation of the hydroxypyridine, a vinylogous Mukaiyama aldol reaction, and a final Negishi cross-coupling of an advanced pyridine derivative with an allylic side chain precursor
报道了与皮利基菌素相关的天然产物Mer-A2026B和JBIR-02的第一批合成。合成方法的关键特征包括用于制备羟基吡啶的Ir催化的一锅C–H活化/氧化程序,乙烯基类的Mukaiyama aldol反应以及高级吡啶衍生物与烯丙基侧的最终Negishi交叉偶联。链前体。此外,建立了Mer-A2026B(9 R,10 R)和JBIR-02(9 R,10 R)的绝对构型。