Table 4.
The comparative catalytic performance of the Ni(II)-β-CD complex with other reported Ni catalysts in the Suzuki coupling.
| Entry | Catalyst | Temp. (°C) | Time (h) | Solvent | Ni (mol%) | Yield (%) | Ref |
|---|---|---|---|---|---|---|---|
| 1 | Cp2Ni/Xantphos | 130 | 16 | Toluene | 5 | 17–97 | 63 |
| 2 | [Ni(NHC)BrCp] | 110 | 1–2 | Toluene | 1–3 | 52–90 | 64 |
| 3 | Ni(II)-a-diimine-PO | 100 | 8–12 | Toluene | 5 | 90–99 | 65 |
| 4 | NiCl2(dppp) | 100 | 8–24 | PEG-400 | 2 | 71–95 | 66 |
| 5 | GO/NiTAPP | 80 | 1–2.5 | Dioxane | 3 | 60–95 | 67 |
| 6 | NiCl2.glyme | 80 | 12 | DMSO/Glycerol | 10 | 71–90 | 68 |
| 7 | Ni(OAc)2/β-CD | 65–85 | 24 | H2O | 5 | 82–98 | 62 |
| 8 | Nickel complex with functionalized amino-β-CD | 70 | 5–12 | H2O | 2.5 | 85–97 | This work |
Significant values are in bold.