反应详情

According to the procedure of Example 2, ethyl 2-chloro-3-nitro-β-oxobenzenepropanoate (14.0 g, 51.5 mmol) is reacted with 30% water/trifluoroacetic acid to give 1-(2-chloro-3-nitrophenyl)ethanone (9.0 g, 87%), mp=41-43° C.