Research Article
Microwave-Assisted Synthesis of Isopropyl β-(3,4-Dihydroxyphenyl)-α-hydroxypropanoate
Table 10
Comparison of reaction results using microwave and conventional heating methods.
| | Product | Conventional heating | Microwave heating | | Time (h) | Yield (%) | Time (min) | Yield (%) |
| | Azolactone | 5 | 80 | 15 | 90.8 | | Acrylic acid | 4 | 72.9 | 8 | 88.6 | | -(3,4-Dihydroxyphenyl) pyruvic acid | 8 | 74.5 | 30 | 51.3 | | Isopropyl -(3,4-dihydroxyphenyl)--hydroxypropanoate | 10 | 75.6 | 25 | 87.1 |
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