The efficient copper-catalyzed construction of imidazopyridinones is described. Beginning from iodopyridinyl ureas, Ullmann coupling provides imidazopyridinones in good yield. Manufacturing by this process is described on 473 kg scale; the scope and limitations of substrates is also detailed.
描述了
咪唑并
吡啶酮的有效
铜催化结构。从
碘代
吡啶基
脲开始,Ullmann 偶联以高产率提供
咪唑并
吡啶酮。以 473 千克的规模描述了通过此过程进行的制造;基板的范围和限制也有详细说明。