Table 1.
Physicochemical data of the compounds (1–6).
| Comp. No. | Ar | Yield % | mp°C | m.f | m.w | Elemental analysis calculated (found) |
||
|---|---|---|---|---|---|---|---|---|
| C | H | N | ||||||
| 1 | –H | 87 | 161 | C12H15N5O2 | 261.27 | 55.16 (55.20) | 5.79 (5.71) | 26.80 (26.79) |
| 2 | –Cl | 78 | 89 | C12H14ClN5O2 | 295.72 | 44.74 (44.72) | 4.77 (4.76) | 23.68 (23.65) |
| 3 | –OH | 81 | 121 | C12H15N5O3 | 277.27 | 51.98 (51.97) | 5.45 (5.40) | 25.26 (25.23) |
| 4 | –NO2 | 72 | 134 | C12H14N6O4 | 306.27 | 47.06 (47.10) | 4.61 (4.59) | 27.44 (27.43) |
| 5 | –OCH3 | 81 | 110 | C13H17N5O3 | 291.30 | 53.60 (53.65) | 5.88 (5.86) | 24.04 (24.08) |
| 6 | –N(CH3)2 | 85 | 97 | C14H20N6O2 | 304.34 | 55.25 (55.30) | 6.62 (6.60) | 27.61 (27.60) |