dimethyl 4,5-dimethoxy-1-[(3,4,5-trimethoxyphenyl)methyl]-11-oxatricyclo[6.2.1.02,7]undeca-2,4,6,9-tetraene-9,10-dicarboxylate 在
palladium on activated charcoal
氢气 作用下,
以
乙酸乙酯 为溶剂,
25.0 ℃
、101.32 kPa
条件下,
反应 5.0h,
以93%的产率得到dimethyl 4,5-dimethoxy-1-[(3,4,5-trimethoxyphenyl)methyl]-11-oxatricyclo[6.2.1.02,7]undeca-2,4,6-triene-9,10-dicarboxylate