5-(4-chloro-2-methoxybenzoyl)-2,2-dimethyl-1,3-dioxane-4,6-dione 在
silica gel 、 ethyl acetate petroleum ether 、
methyl 3-(4-chloro-2-methoxyphenyl)-3-oxopropanoate 作用下,
以
甲醇 为溶剂,
反应 16.0h,
以This resulted in 300 mg (24%) of methyl 3-(4-chloro-2-methoxyphenyl)-3-oxopropanoate as colorless oil的产率得到methyl 3-(4-chloro-2-methoxyphenyl)-3-oxopropanoate