On the Metal Cooperativity in a Dinuclear Copper–Guanidine Complex for Aliphatic C−H Bond Cleavage by Dioxygen. - Schön, Florian; Biebl, Florian; Greb, Lutz; Leingang, Simone; Grimm‐Lebsanft, Benjamin; Teubner, Melissa; Buchenau, Sören; Kaifer, Elisabeth; Rübhausen, Michael A.; Himmel, Hans‐Jörg (Chemistry - A European Journal, 2019)