Scalable
<scp>copper‐catalyzed</scp>
preparation of imidazopyridinones from iodopyridinyl ureas
作者:Kyle W. Rugg、Regina C. Balk、Joshua M. Paolillo、Dauzhan Yerkozhanov、Thomas G. Tampone、Martin Holan、Frederic G. Buono、Jonathan T. Reeves
DOI:10.1002/jhet.4592
日期:2023.2
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.