Gained yields after the reduction of NB derivatives to aniline analogues under optimized condition.
| Entry | NB structure | Product | Time (min) | Yield (%) | Mp (°C) | |
|---|---|---|---|---|---|---|
| Found | Reported | |||||
| 1 |
|
|
6 | 95 | Liquid sample62 | |
| 2 |
|
|
8 | 96 | 136–137 | 136–138 (ref. 63) |
| 3 |
|
|
12 | 88 | 64–66 | 65–66 (ref. 64) |
| 4 |
|
|
14 | 98 | 145–146 | 144–146 (ref. 65) |
| 5 |
|
|
3 | 99 | 172–174 | 171–173 (ref. 63) |
| 6 |
|
|
5 | 96 | 186–189 | 186–188 (ref. 62) |
| 7 |
|
|
9 | 95 | 184–186 | 185–187 (ref. 66) |
| 8 |
|
|
10 | 94 | 209–212 | 208–210 (ref. 67) |
| 9 |
|
|
10 | 84 | 52–54 | 52–53 (ref. 68) |
| 10 |
|
|
6 | 97 | 41–44 | 42–43 (ref. 69) |