反应详情

A dimethylformamide solution of methyl 10-(3,4-dimethoxy-2-hydroxy-6-methylphenyl)decanoate (129 mg) is oxidized in the same manner as Example 20. This procedure yields 2,3-dimethoxy-5-methyl-6-(9-methoxycarbonylnonyl)-1,4-benzoquinone (91 mg) as orange-yellow needles melting at 37° C.-38° C.