methyl (1S,2R)-1,2-isopropylidenedioxy-1,2,3,5,6,7-hexahydro-5-indolizinone-8-carboxylate 在
palladium on activated charcoal
氢气 作用下,
以
甲醇 为溶剂,
20.0 ℃
、1.52 MPa
条件下,
反应 24.0h,
以94%的产率得到methyl (1S,2R,8S,8aR)-1,2-isopropylidenedioxy-1,2,3,5,6,7,8,8a-octahydro-5-indolizinone-8-carboxylate