Research Article
Microwave-Assisted Synthesis of Isopropyl β-(3,4-Dihydroxyphenyl)-α-hydroxypropanoate
Table 2
Orthogonal experiments on synthesis of 2-methyl-4-(3,4-acetoxybenzylene)oxazol-5-ones.
| | Trial no. | Factor A
temperature (°C) | Factor B
time (min) | Factor C
MW power (W) | Yield (%) |
| | 1 | 1 | 1 | 1 | 80.7 | | 2 | 1 | 2 | 2 | 86.4 | | 3 | 1 | 3 | 3 | 82.0 | | 4 | 2 | 1 | 2 | 84.7 | | 5 | 2 | 2 | 3 | 89.7 | | 6 | 2 | 3 | 1 | 82.0 | | 7 | 3 | 1 | 3 | 85.5 | | 8 | 3 | 2 | 1 | 82.2 | | 9 | 3 | 3 | 2 | 87.4 | | 249.1 | 250.9 | 244.9 | | | 256.4 | 258.3 | 258.5 | | | 255.1 | 251.4 | 257.2 | | | 64289.3 | 64290.6 | 64316.7 | | | Q | 10.1 | 11.4 | 13.3 | |
|
|
|
