2-[(3aS,4S,5S,7aR)-5-((S)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-3-hydroxy-octahydro-isobenzofuran-4-yl]-1-pyrrolidin-1-yl-ethanone 在
silver carbonate 作用下,
以
苯 为溶剂,
生成
(3aR,6S,7S,7aS)-6-((S)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-7-(2-oxo-2-pyrrolidin-1-yl-ethyl)-hexahydro-isobenzofuran-1-one 、 (3aS,6S,7S,7aR)-6-((S)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-7-(2-oxo-2-pyrrolidin-1-yl-ethyl)-hexahydro-isobenzofuran-1-one