C-N Bond Formation from a Masked High-Valent Copper Complex Stabilized by Redox Non-Innocent Ligands J¦r¦my Jacquet, Pauline Chaumont, Geoffrey Gontard, Maylis Orio, Herv¦ Vezin, S¦bastien Blanchard, Marine Desage-El Murr,* and Louis Fensterbank* J. Jacquet, P. Chaumont, G. Gontard, Dr. S. Blanchard, Dr. M. Desage-El Murr, Prof. L. Fensterbank Sorbonne Universit¦s, UPMC, Universit¦ Paris 06, UMR CNRS 8232 Institut Parisien de Chimie Mol¦culaire (France) International Edition: DOI: 10.1002/anie.201605132 German Edition: DOI: 10.1002/ange.201605132 Abstract : The reactivity of a stable copper(II) complex bearing fully oxidized iminobenzoquinone redox ligands towards nucleophiles is described. In sharp contrast with its genuine low-valent counterpart bearing reduced ligands, this complex performs high-yielding C¢N bond formations. Mechanistic studies suggest that this behavior could stem fromamechanism akin to reductive elimination occurring at the meta
