Table 2.
Stoichiometric studies of an arylnickel(II) complexa
| ||||
|---|---|---|---|---|
| entry | equiv ArI | equiv Mn0 | equiv alkyne | yieldb |
| 1c | Catalytic reaction with NiCl2•2H2O and L1 | 78 | ||
| 2 | 0 | 0 | 1.0 | 83 |
| 3 | 0 | 2 | 1.0 | 68 |
| 4 | 0 | 0 | 50 | 62 |
| 5 | 0 | 2 | 50 | 81 |
| 6c | 40 | 80 | 40 | 63 |
Reactions conducted as in Table 1, footnote a.
Yield reported is corrected GC yield calculated with respect to an internal standard.
ArI remaining after 24 h.