tert-butyl 4-acetoxymethyl-6-(1-hydroxybut-3-enyl)-2,2-dimethyltetrahydro-[1,3]dioxolo[4,5-c]pyrrole-5-carboxylate 在
potassium carbonate 作用下,
以
甲醇 为溶剂,
反应 2.0h,
以94%的产率得到(3aR,4R,6S,6aS)-tert-butyl 4-((R)-1-hydroxybut-3-enyl)-6-(hydroxymethyl)-2,2-dimethyldihydro-3aH-[1,3]dioxolo[4,5-c]pyrrole-5(4H)-carboxylate