| |||||
---|---|---|---|---|---|
Entry | Catalyst | Oxidant | Base | Temperature (°C) | Yield[b](%) |
1 | 20% I2 | TBHP | _ | 70 | 50 |
2 | _ | TBHP | _ | 70 | trace |
3 | 20% CuO | TBHP | _ | 70 | 41 |
4 | 10% I2 | TBHP | _ | 70 | 38 |
5 | 30% I2 | TBHP | _ | 70 | 49 |
6 | 20% I2 | TBHP | Na2CO3 | 70 | 54 |
7 | 20% I2 | TBHP | K2CO3 | 70 | 52 |
8 | 20% I2 | TBHP | t-BuOK | 70 | 12 |
9 | 20% I2 | TBHP | Et3N | 70 | 45 |
10 | 20% I2 | DTBP | Na2CO3 | 70 | 49 |
11 | 20% I2 | m-CPBA | Na2CO3 | 70 | 27 |
12 | 20% I2 | K2S2O8 | Na2CO3 | 70 | 30 |
13 | 20% I2 | TBHP | Na2CO3 | 60 | 59 |
14[c] | 20% I2 | TBHP | Na2CO3 | 25 | 60 |
15 | 20% I2 | TBHP | Na2CO3 | 25-60 | 70 |