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.

EntryStarting material usedProduct obtainedTime (min)YieldM.P (°C)

13a6a7a40–4585115–118
23b6a7b50–5582120–123
33c6a7c40–4584123–125
43d6a7d50–5585>220
53e6a7e50–5580126–128
63a6b7f40–4583128–130
73b6b7g40–4582138–140
83c6b7h50–5582120–123
93d6b7i50–5585>220
103e6b7j40–4580122–124
113a6c7k50–5582120–124
123b6c7l40–4585130–132
133c6c7m50–5585170–174
143d6c7n50–5580>220
153e6c7o40–4580140–143
163a6d7p40–4580125–128
173b6d7q50–5582135–137
183c6d7r50–5582180–183
193d6d7s40–4580>220
203e6d7t40–4585142–145
213a6e7u40–4584128–130
223b6e7v40–4585133–135
233c6e7w50–5580190–192
243d6e7x50–5582>220
253e6e7y40–4584145–148

Refers to yields of crude products only.