methyl 3,5-dichloro-6-(6-hydroxy-4-methoxy-3-methoxycarbonyl-2-methylphenoxy)-2-hydroxy-4-methyl benzoate 、
乙酸酐 以
吡啶 为溶剂,
反应 24.0h,
以99%的产率得到2-(6-Acetoxy-4-methoxy-3-methoxycarbonyl-2-methyl-phenoxy)-3,5-dichloro-6-hydroxy-4-methyl-benzoic acid methyl ester