Table 1 Optimization of reaction conditions for compound 3a
序号 No. | 光催化剂 Photocatalyst | 镍催化剂 Nickel catalyst | 溶剂 Solvent | 配体 Ligand | 产率 Yield/% |
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1 | (Ir[dF(CF3)ppy]2(dtbpy))PF6 | NiBr2(dme) | DMA | L1 | 54 |
2 | Ir[FCF3(CF3)ppy]2(dtbbpy)PF6 | NiBr2(dme) | DMA | L1 | 61 |
3 | fac?Ir(ppy)3 | NiBr2(dme) | DMA | L1 | 22 |
4 | Ir[FCF3(CF3)ppy]2(dtbbpy)PF6 | NiCl2(dme) | DMA | L1 | 35 |
5 | Ir[FCF3(CF3)ppy]2(dtbbpy)PF6 | Ni(acac)2 | DMA | L1 | 31 |
6 | Ir[FCF3(CF3)ppy]2(dtbbpy)PF6 | NiCl2(PPh3)2 | DMA | L1 | <10 |
7 | None | NiBr2(dme) | DMA | L1 | trace |
8 | Ir[FCF3(CF3)ppy]2(dtbbpy)PF6 | None | DMA | L1 | trace |
9 | Ir[FCF3(CF3)ppy]2(dtbbpy)PF6 | NiBr2(dme) | DMF | L1 | 33 |
10 | Ir[FCF3(CF3)ppy]2(dtbbpy)PF6 | NiBr2(dme) | DMSO | L1 | 23 |
11 | Ir[FCF3(CF3)ppy]2(dtbbpy)PF6 | NiBr2(dme) | CH3CN | L1 | 20 |
12 | Ir[FCF3(CF3)ppy]2(dtbbpy)PF6 | NiBr2(dme) | THF | L1 | trace |
13 | Ir[FCF3(CF3)ppy]2(dtbbpy)PF6 | NiBr2(dme) | DMA | L2 | 52 |
14 | Ir[FCF3(CF3)ppy]2(dtbbpy)PF6 | NiBr2(dme) | DMA | L3 | 45 |
15 | Ir[FCF3(CF3)ppy]2(dtbbpy)PF6 | NiBr2(dme) | DMA | L4 | 32 |
16 | Ir[FCF3(CF3)ppy]2(dtbbpy)PF6 | NiBr2(dme) | DMA | L5 | 31 |
17 | Ir[FCF3(CF3)ppy]2(dtbbpy)PF6 | NiBr2(dme) | DMA | L6 | trace |