One-Pot Directing Group Formation/C−H Bond Functionalization<i>via</i>Copper(I) and Ruthenium(II) Catalysis
作者:Christian Bruneau、Rafael Gramage-Doria
DOI:10.1002/adsc.201600735
日期:2016.12.7
A copper(I)‐catalyzed oxidation leading to the formation of 2‐pyridyl ketone directing groups has been efficiently coupled with a ruthenium(II)‐catalyzed C(sp2)−H bond arylation transformation without performing any intermediate work‐up. This sustainable approach was further extended to sequential three‐step transition metal‐catalyzed transformations in which up to four new bonds (C–O, C–C, C–H and
铜(I)催化的氧化反应导致形成2-吡啶基酮导向基团,已与钌(II)催化的C(sp 2)-H键芳基化反应有效结合,而无需进行任何中间处理。这种可持续的方法进一步扩展到了连续的三步过渡金属催化的转化中,其中以单罐方式形成了多达四个新的键(C-O,CC-C,CH-H和OH)。这是第一个实例,其中依次将两种不同的过渡金属催化剂分别用于引导基团的形成和CH键的官能化。