Microwave-Assisted Synthesis of Isopropyl β-(3,4-Dihydroxyphenyl)-α-hydroxypropanoate

Table 6

Experimental results for synthesis of 𝛽-(3,4-dihydroxyphenyl)pyruvic acid at different temperatures.

Level	Temperature (°C)	Yield (%)
1	80	0
2	90	51.3
3	95	33.5
4	100	17.2