Copper-Catalyzed Cross-Dehydrogenative <i>N</i><sup>2</sup>-Coupling of <i>NH</i>-1,2,3-Triazoles with <i>N</i>,<i>N</i> -Dialkylamides: <i>N</i>-Amidoalkylation of <i>NH</i>-1,2,3-Triazoles
An efficient copper-catalyzed C–N bondformation by N–H/C–H cross-dehydrogenativecoupling (CDC) between NH-1,2,3-triazoles and N,N-dialkylamides has been developed. The method provided N-amidoalkylated 1,2,3-triazoles with moderate to high yields, and the reactions showed high N2-selectivities when 4,5-disubstituted NH-1,2,3-triazoles served as the substrates.