(+/-)-1-<(1α,3β,4α)-3-hydroxy-4-(hydroxymethyl)cyclopentyl>-5-<(trimethylsilyl)ethynyl>-2,4(1H,3H)-pyrimidinedione diacetate 在
palladium on activated charcoal H
22 作用下,
反应 0.75h,
以99%的产率得到Acetic acid (1R,2S,4S)-2-acetoxymethyl-4-[2,4-dioxo-5-(2-trimethylsilanyl-ethyl)-3,4-dihydro-2H-pyrimidin-1-yl]-cyclopentyl ester