(2S,3S,4S,5R,6R)-3,4,5-Triacetoxy-6-[2-(2,5-dioxo-pyrrolidin-1-yl)-ethoxy]-tetrahydro-pyran-2-carboxylic acid methyl ester 在
甲醇 、 lithium hydroxide 作用下,
以
四氢呋喃 为溶剂,
生成
(2S,3S,4S,5R,6R)-6-[2-(2,5-Dioxo-pyrrolidin-1-yl)-ethoxy]-3,4,5-trihydroxy-tetrahydro-pyran-2-carboxylic acid