methyl 5-[3-[(1R,2S)-2-[[3-(acetyloxymethyl)-5-chlorophenoxy]methyl]-5-oxocyclopent-3-en-1-yl]propyl]thiophene-2-carboxylate 在
palladium 10% on activated carbon
氢气 作用下,
以
乙酸乙酯 为溶剂,
反应 18.0h,
以77%的产率得到methyl 5-[3-[(1R,2S)-2-[[3-(acetyloxymethyl)-5-chlorophenoxy]methyl]-5-oxocyclopentyl]propyl]thiophene-2-carboxylate