1-<(1R,2S,3R)-2,3-isopropylidenedioxy-4-methoxymethyloxymethyl-4-cyclopenten-1-yl>-2,4-(1H,3H)-pyrimidinedione 在
tetraphosphorus decasulfide 作用下,
以
吡啶 为溶剂,
反应 2.0h,
以45%的产率得到1-<(1R,2S,3R)-2,3-isopropylidenedioxy-4-methoxymethyloxymethyl-4-cyclopenten-1-yl>-2-oxo-4-thioxo-(1H,3H)-pyrimidine