methyl 3-(4-acetoxy-3,5-di-tert-butyl)phenyl-2-(2-tetrahydropyranyloxy)-2-methylcarbonyl-propanoate 在
potassium carbonate 作用下,
以
甲醇 为溶剂,
生成 methyl 3-(4-hydroxy-3,5-di-tert-butyl)phenyl-2-(2-tetrahydropyranyloxy)-2-methylcarbonyl-propanoate 、
methyl 3-(4-hydroxy-3,5-di-tert-butyl)phenyl-2-(2-tetrahydropyranyloxy)-2-carboxy-propanoate