反应详情

2-[4-(2-Methylbenzoyl)phenyl]-4,4-dimethyl-2-oxazoline (2.86 g) and 4.5M hydrochloric acid (150 ml) are refluxed for 8 hours. The mixture is cooled to room temperature, and thereto is added water. The precipitates are collected by filtration to give 4-(2-methylbenzoyl)benzoic acid (2.23 g) as white powder.

1. filtrationThe precipitates are collected by filtration