2-butanoyl-6-[(3-butanoyl-2,6-dihydroxy-4-methoxyphenyl)methyl]-3,5-dihydroxy-4-methyl-4-(3-methylbut-2-en-1-yl)cyclohexa-2,5-dien-1-one 、
乙酸酐 在
吡啶 作用下,
以77%的产率得到[3-acetyloxy-4-butanoyl-2-[[2,4-diacetyloxy-5-(1-acetyloxybut-1-enyl)-3-methyl-3-(3-methylbut-2-enyl)-6-oxocyclohexa-1,4-dien-1-yl]methyl]-5-methoxyphenyl] acetate