Research Article
Ecofriendly and Facile One-Pot Multicomponent Synthesis of Thiopyrimidines under Microwave Irradiation
Table 1
Comparative data on reaction time, heating energy, and yield of compounds 4(a–g) by conventional and microwave assisted synthesis.
| Compound code | Conventional synthesis | Microwave synthesis | Time (h) | Energy (temp. °C) | Yield (%) | Time (min.) | Energy (power. watt) | Yield (%) |
| 4a | 4 | 98–100 | 66 | 5 | 210 | 85 | 4b | 6 | 98–100 | 65 | 10 | 210 | 85 | 4c | 5 | 98–100 | 62 | 7 | 210 | 82 | 4d | 8 | 98–100 | 60 | 9 | 210 | 79 | 4e | 6 | 98–100 | 61 | 6 | 210 | 82 | 4f | 7 | 98–100 | 55 | 8 | 210 | 78 | 4g | 6 | 98–100 | 59 | 7 | 210 | 80 |
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