Table 1 Synthesis of diethyl 4-(4-(((3-aryl-1-phenyl-1H-pyrazol-4-yl)methyleneamino carbamoyl)methoxy)phenyl)-1,4-dihydro-2,6-dimethylpyridine-3,5-dicarboxylate (5a–5g)
S. No | Compound | R | M.pt (°C) | Yield (%) |
|---|---|---|---|---|
1 | 5a | –F | 154 | 98 |
2 | 5b | –Cl | 144 | 96 |
3 | 5c | –Me | 152 | 94 |
4 | 5d | –H | 164 | 96 |
5 | 5e | –Br | 130 | 95 |
6 | 5f | –OMe | 134 | 92 |
7 | 5g | –NO2 | 136 | 94 |