fig8

Figure 8. Experimental mechanistic investigations of Mechanism III. (A) Model reaction used for mechanistic investigations; (B) Kinetic studies of model reaction; (C) Spectroscopic studies; (D) Reduction of NiII by Zn; (E) Competition experiments between 5a and 8b; (F) Stoichiometric experiments; (G) Control experiments. a and b: refer to conversion and yields, respectively; DMA: N, N-dimethylacetamide, DME: 1,2-Dimethoxyethane.