J Yuan, H Hu, C Cui - Chemistry–A European Journal, 2016 - Wiley Online Library
The N‐heterocyclic carbene–ytterbium (II) amides (NHC) 2Yb [N (SiMe3) 2] 2 (1: NHC: 1, 3,
4, 5‐tetramethylimidazo‐2‐ylidene (IMe4); 2: NHC: 1, 3‐diisopropyl‐4, 5‐dimethylimidazol …