prov:value
| - The first step of the reaction, in which the substituted methyl ketone is reacted with C1-4 alkyl oxalate, can be carried out in solvents such as benzene, tetrahydrofuran, dimethylformamide, dioxane, and the like, in the presence of strong bases such as sodium or potassium methoxides, ethoxides, or butoxides, at temperatures from 0??? to 50??? C.
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