Research Article
A New Alternative Synthesis of Salicylaldazine via Microwave Irradiation Method
Table 1
Comparison between conventional reflux and microwave irradiation in synthesizing HLa.
| | | Conventional reflux | Microwave irradiation |
| | Yield (%) | 97 | 82 | | Total reaction time | 27 hours | 5 min | | Solvent used | EtOH and pyridine | 80% EtOH | | 1H NMR peaks (ppm) | -OH = 11.10
HC = N = 9.0
Ar–H = 7.7–7.0 | -OH = 11.14
HC = N = 9.02
Ar–H = 7.71–6.96 |
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