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|---|---|---|---|---|
| entry | NiLn | Ni mol % | time | yield (%)[a] |
| 1[b] | Nil2 | 5 | 16 h | 60 |
| 2[b] | NiBr2(dme) | 5 | 48 h | 53 |
| 3[b] | NiBr2(dme) | 10 | 16 h | 51 |
| 4[c] | Nil2 | 5 | 24 h | 0 |
| 5[c] | NiBr2(dme) | 5 | 24 h | 0 |
Yield of isolated product.
Reactions were performed in a N2-filled glove box.
Reactions were performed under argon outside a N2-filled glove box.
