methyl (1S,2R,7R,8S,8aR)-1,2-isopropylidenedioxy-7-methyl-1,2,3,5,6,7,8,8a-octahydro-5-indolizinone-8-carboxylate 在
sodium hydroxide 作用下,
以
乙醇 为溶剂,
反应 6.0h,
以84%的产率得到(1S,2R,7R,8S,8aR)-1,2-isopropylidenedioxy-octahydro-5-indolizinone-8-carboxylic acid