| Entry | Conditiona | Reaction time (s) | Temperature (˚C) | H2NOH (mmol) | Conversion (%)b |
| 1 | Irradiation of MW (100 W) | 240 | 68 | 0.35 | 16 syn:anti = 0:100 |
| 2 | Irradiation of MW (100 W) | 240 | 68 | 0.70 | 19 syn:anti = 11:89 |
| 3 | Irradiation of MW (100 W) | 240 | 68 | 1.40 | 55 syn:anti = 13:87 |
| 4 | Irradiation of MW (300 W) | 120 | 113 | 0.70 | 92 syn:anti = 5:95 |
| 5 | Conventional heating | 240 | 68 | 0.35 | 14 syn:anti = 0:100 |
| 6 | Conventional heating | 240 | 68 | 0.70 | 34 syn:anti = 21:79 |
| 7 | Conventional heating | 240 | 68 | 1.40 | 51 syn:anti = 8:92 |
| 8 | Conventional heating | 120 | 113 | 0.70 | 91 syn:anti = 10:90 |