Copper/O2-Mediated Oxidative C–C Activation of Nitriles for Selective Acylation-Bromination of Anilines
作者:Wei-Yu Shi、Song-Lin Zhang
DOI:10.1021/acs.joc.4c00287
日期:2024.5.17
This study reports selective dual amino acylation and C–H bromination of aniline compounds enabled by Cu/O2 catalyst systems. This method involves crucial oxidation-induced C–CN bond cleavage of α-methylene nitriles to generate an acylcyanide intermediate that is facilely intercepted by anilines. After amino acylation, the Cu(II) precatalyst in combination with NBS generates Cu(III)–Br in situ that