Research Article
Synthesis of Novel Symmetrical and Unsymmetrical o-Phthalic Acid Diamides
Table 4
Characterization data reaction time and yield of 7a–7y obtained from 3a–3e and 6a–6e.
| Entry | Starting material used | Product obtained | Time (min) | Yield≠ | M.P (°C) |
| 1 | 3a | 6a | 7a | 40–45 | 85 | 115–118 | 2 | 3b | 6a | 7b | 50–55 | 82 | 120–123 | 3 | 3c | 6a | 7c | 40–45 | 84 | 123–125 | 4 | 3d | 6a | 7d | 50–55 | 85 | >220 | 5 | 3e | 6a | 7e | 50–55 | 80 | 126–128 | 6 | 3a | 6b | 7f | 40–45 | 83 | 128–130 | 7 | 3b | 6b | 7g | 40–45 | 82 | 138–140 | 8 | 3c | 6b | 7h | 50–55 | 82 | 120–123 | 9 | 3d | 6b | 7i | 50–55 | 85 | >220 | 10 | 3e | 6b | 7j | 40–45 | 80 | 122–124 | 11 | 3a | 6c | 7k | 50–55 | 82 | 120–124 | 12 | 3b | 6c | 7l | 40–45 | 85 | 130–132 | 13 | 3c | 6c | 7m | 50–55 | 85 | 170–174 | 14 | 3d | 6c | 7n | 50–55 | 80 | >220 | 15 | 3e | 6c | 7o | 40–45 | 80 | 140–143 | 16 | 3a | 6d | 7p | 40–45 | 80 | 125–128 | 17 | 3b | 6d | 7q | 50–55 | 82 | 135–137 | 18 | 3c | 6d | 7r | 50–55 | 82 | 180–183 | 19 | 3d | 6d | 7s | 40–45 | 80 | >220 | 20 | 3e | 6d | 7t | 40–45 | 85 | 142–145 | 21 | 3a | 6e | 7u | 40–45 | 84 | 128–130 | 22 | 3b | 6e | 7v | 40–45 | 85 | 133–135 | 23 | 3c | 6e | 7w | 50–55 | 80 | 190–192 | 24 | 3d | 6e | 7x | 50–55 | 82 | >220 | 25 | 3e | 6e | 7y | 40–45 | 84 | 145–148 |
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Refers to yields of crude products only.
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