Table 18.
Entry | R | Yield (%) |
---|---|---|
1a | 4-MeC(O) | 87 |
2 | 4-n-Bu | 80 |
3 | 4-OMe | 90 |
4 | 4-NH2 | 61 |
5 | 2,5-Me2 | 84 |
Reaction temperature: 80 °C.
Entry | R | Yield (%) |
---|---|---|
1a | 4-MeC(O) | 87 |
2 | 4-n-Bu | 80 |
3 | 4-OMe | 90 |
4 | 4-NH2 | 61 |
5 | 2,5-Me2 | 84 |
Reaction temperature: 80 °C.