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

Table 3

Variance analysis of orthogonal experiments on synthesis of 2-methyl-4-(3,4-acetoxybenzylene)oxazol-5-ones.

Source	Sum of squares	Degree of freedom	Mean square	𝐹 value	𝑃 value
Factor A; temperature (°C)	10.11	2	5.05	0.27	0.788
Factor B; time (min)	11.40	2	5.70	0.30	0.767
Factor C; MW power (W)	13.27	2	6.63	0.35	0.739
Error	37.55	2	18.77