Table 9. Catalytic Activities of Complexes 1–4b with IBX Ester (Catalyst:IBX Ester = 1:10).
substrate (mmol) | product | complex 1a |
complex 2a |
complex 3a |
complex 4a |
||||
---|---|---|---|---|---|---|---|---|---|
TONa | efficiencyb | TON | efficiency | TON | efficiency | TON | efficiency | ||
thioanisole (0.25) | thioanisole oxide | 9.2 | 92 | 10 | 100 | 10 | 100 | 10 | 100 |
9,10-DHA (0.05) | anthracene | 9.6 | 96 | 10 | 100 | 10 | 100 | 9.6 | 96 |
1,4-CHD (0.25) | benzene | 9.3 | 93 | 9.7 | 97 | 10 | 100 | 10 | 100 |
triphenylmethane (0.25) | triphenylmethanol | 9.8 | 98 | 10 | 100 | 9.3 | 93 | 8.65 | 86.5 |
cumene (0.25) | 2-phenyl-2-propanol | 1.66 | 30.7 | 3.56 | 57.7 | ||||
acetophenone | 1.41 | 2.21 | |||||||
ethylbenzene (0.25) | 1-phenylethanol | 0.47 | 19.3 | 0.57 | 24 | 0.75 | 29.1 | 0.71 | 32.1 |
1-acetophenone | 1.46 | 1.826 | 2.16 | 2.5 |
Turnover number (TON) = mol of product/mol of catalyst.
Efficiency (%) = moles of total products/mol of oxidant ×100.