Access to β‐Ketonitriles through Nickel‐Catalyzed Carbonylative Coupling of α‐Bromonitriles with Alkylzinc Reagents
作者:Aske S. Donslund、Karoline T. Neumann、Nicklas P. Corneliussen、Ebbe K. Grove、Domenique Herbstritt、Kim Daasbjerg、Troels Skrydstrup
DOI:10.1002/chem.201902206
日期:2019.7.25
Herein, we report a nickel‐catalyzed carbonylative coupling of α‐bromonitriles and alkylzinc reagents with near stoichiometric carbon monoxide to give β‐ketonitriles in good yields. The reaction is catalyzed by a readily available and stable nickel(II) pincer complex. The developed protocol tolerates substrates bearing a variety of functional groups, which would be problematic or incompatible with
在本文中,我们报道了镍催化的α-溴腈和烷基锌试剂与接近化学计量的一氧化碳的羰基化偶联,以高收率得到了β-乙腈。该反应由易于获得且稳定的镍(II)钳形络合物催化。所开发的方案可耐受带有多种官能团的底物,这可能与先前的合成方法有问题或不兼容。此外,我们通过13 C标记的β-乙腈的合成及其向同位素标记的杂环的转化证明了该方法适用于碳同位素标记。