(2R,4aR,6S,7R,8S,8aS)-7,8-Bis-benzoyloxy-6-methoxy-2-methyl-hexahydro-pyrano[3,2-d][1,3]dioxine-2-carboxylic acid ethyl ester 在
sodium hydroxide 作用下,
以
乙醇 、
水 为溶剂,
生成
Sodium; (2S,4aR,6S,7R,8R,8aR)-7,8-dihydroxy-6-methoxy-2-methyl-hexahydro-pyrano[3,2-d][1,3]dioxine-2-carboxylate