Table 1.
Compounds | R | Closed formula | MW (g/mol) | mp (°C) | Yield (%) | Appearance |
---|---|---|---|---|---|---|
3 |
- |
C14H17N3O2 |
259 |
105-109 |
61 |
Yellow |
4a |
2-Cl |
C21H22 Cl N3O2 |
383 |
105-107 |
81 |
Creamy |
4b |
3-Cl |
C21H22 Cl N3O2 |
383 |
100-103 |
74 |
Creamy |
4c |
4-Cl |
C21H22 Cl N3O2 |
383 |
122 |
78 |
Creamy |
4d |
2-F |
C21H22FN3O2 |
367 |
226 |
96 |
Yellow |
4e |
3-F |
C21H22FN3O2 |
367 |
225 |
77 |
Creamy |
4f |
4-F |
C21H22FN3O2 |
367 |
293-296 |
77 |
Yellow |
4g |
3-OCH3 |
C22H25N3O3 |
379 |
259 |
82 |
Yellow |
4h |
4-OCH3 |
C22H25N3O3 |
379 |
265 |
65 |
Yellow |
4i |
2-NO2 |
C21H22N4O4 |
394 |
118-120 |
78 |
Orange |
4j |
3-NO2 |
C21H22N4O4 |
394 |
286 |
92 |
Orange |
4k |
4-NO2 |
C21H22N4O4 |
394 |
162 |
80 |
Creamy |
4l | H | C21H23N3O | 349 | 231 | 92 | Orange |